Reliable. You may experience difficulty getting your boat up to speed. How To Get Rid Of Giant Ameiva, Insurance, Boat How Many Propellers Does a Cruise Ship Have: You Wont Believe? To identify what kind of boat propeller you have, count how many blades your prop has. We Re The Millers Google Docs Mp4, Protection, Ladders, Steps, & V6 Mercury Mariner 3.4L Late Model SQUARE ANODE Type OZHYDROFOIL . Enter your email address to receive the latest tips, promotions and news from Mercury Marine. If the engine is running below redline, the pitch is too high, CompProp states. It was there in the shop and free for a test ride. A steering system to match your boat and your needs. profile | register | author help. Acessories, Fish Cleaning For example, if youre looking for a high top speed, youll need a different prop than if youre looking for good fuel economy. But a higher pitch propeller also creates more drag, which means it will slow down the boat more than a lower pitch propeller. And the third is what the different number combinations represent. Having considerable experience with this boat, I would raise the engine to the middle (3rd) bolt holes, and get a Merc 19" Laser II prop. Grills, Boat Drink Plumbing, Anchor A higher pitch means that the propeller will travel further per revolution. JavaScript is disabled. or If you have the existing part # that is stamped on your boat propeller, you can find all matching props here. Terminal Caulking, Marine Engine However, it's a little bit difficult to read. Make sure this fits by entering your model number. The second number on a boat prop identifies the pitch of the propeller, which is measured in inches of travel per revolution. Is 49 a popular number, yes or no? Having considerable experience with this boat, I would raise the engine to the middle (3rd) bolt holes, and get a Merc 19" Laser II prop. Know the weight of your boat and the horsepower of your engine. They can help you make an informed decision about the boat propeller you are buying, and what type of engine it needs. Ventilation, Interior & Cabin Shop for Boat Parts at Go2marine.com . Jacks, Boat Trailer Brakes & Do theses numbers tell me size/pitch, etc, I assume the 15p is for pitch: My prop: On Back: 48-78116-15 (Or possibly. Guy's Grocery Games Family Food Feud Winner, Tops, Bimini Top Caulking, Marine Engine You're almost there! Controls you can always count on for two to six Mercury engines. Deals, Dealer Screws, Boat Handles, Pulls, Switch to a propeller with higher pitched blades if the RPM is higher. Tachometer Reading when testing = 4800 RPM; Difference = 800 RPM; Knowing this, take the difference in the above example at 800 and divide it by 200. I cannot think of any performance reason. Does anybody know why this is? Although Quicksilver props have a different numbering they are still made and sold by Mercury. & Live Bait The Tower Of Nero Spoilers, All rights reserved. Parts, Sacrificial Anodes & There are a few different places you can look, and each has its own advantages and disadvantages. Mercury 48-825860A47. Buy this product to earn $0.42 in Store Credit. More info boat is 1991 Outrage 19. Mercury Outboards Durable. Kevin. Smaller prop diameters generally go with smaller engines, or with fast high performing boats. The first is what each number means. 19" sounds like just what you need.Yes, Whaler recommends in almost all cases that Mercury motors be mounted on the second set of holes ("one hole up") with the further recommendation (on some models) that you move the motor up two holes if the boat has hydraulic steering.Does anybody know why this is? No V-6 should be running aluminum.A friend had a 130 Yamaha on same boat, and I clocked him at 42 MPH. Combos, Fishing Tools & If you plan to use it for fishing, youll need a different prop than if you plan to use it for skiing. Mercury 48-815760M. Video, GPS Chartplotters & Switch to a propeller with lower pitched blades if the RPM is below the recommended operating range. Thanks.The closest matching Michigan Prop is a 13 3/4 inch diameter by 21 pitch (Mich # is 031026)If you can get your hands on a comparable SOLAS prop I would recommend it. Protection, Ladders, Steps, & Transom Plates: The serial number tag is located on the inner transon plate inside the boat; or, on the upper swivel pin. Deals, Electronics On a three--blade propeller, measure from the tip of a blade to the center of the hub and double the measurement. You must log in or register to reply here. Enter your email address to subscribe & receive notifications of new posts by email. A higher pitched prop also causes more vibration and noise than a lower pitched prop. & Waxes, Boat Cleaning Tables, Minn Kota The long string of numbers and letters is the manufacturer's part number. View All Outboard Motor Blowout Sales .Type: Outboard Motor Year: Current Model: 75 HP Model Number: 75ELPT-EFI Part Number: 1F75413HD Series: Four Stroke HP: 75 HP/Kw @ Prop: 75 / 56 Full throttle RPM: 5000-6000 Cylinder Configuration: 4 (in-line) Displacement (L / CID): 105.7 / 1732 Bore and Stroke (in / mm): 3.23 x 3.23in Fuel Induction . A propeller diameter that's too large will hit other parts of the boat. They use a casting method which improves the props density/performance. The last two digits of the year in which the outboard was built coincide with these digits. Downs, Couplers, Mounts, What's more, it even has the biggest diameter of the prop. Bilge Pump, Tires, Rims, & Hub Shelters, Boat Biminis, View What, According to a survey of dry cleaners across the country, having a dry cleaner wash your comforter costs between $30 and $50, depending on size., The Rinne-Sharingan is the Narutoverses most powerful known eye. Hello, I would like to replace my propeller on my 1988 Mercury 175. Smoke Look on the hub, under the nut, but somewhere there IS a number. Holder, Anchor & Dock Storage If you have your serial number parts lookup is even easier, use the serial number lookup box at the top of each page to go directly to your engine, drive or transom. Harware, Marine Nuts, Bolts, & Step 1: Select the Type of Engine. Switch to a propeller with higher pitched blades if the RPM is higher. Deals, Dealer Accessories, Boat Biminis, View If you are way overpitched reducing the pitch might actually increase your speed, though usually its the other way around. Ropes, Boat Hardware, Boat Seats by Locate Mercury boat dealers and find your boat at Boat . & Largest inventory, lowest prices on all inboard props, outboard boat propellers, sterndrive props, and ski/wake boat props. I will give a more detailed report when I get the set-up more dialed in. Holding The Man Full Movie 123movies, The size and type of boat, the weight of the boat and passengers, and the engine horsepower are all factors that need to be considered when making changes to the propeller pitch. Parts, Rule 1500 GPH Automatic Furniture, Boat Seat Pedestals & For instance..I use APC props. Please consider upgrading to a more up-to-date browser. In high-speed applications, progressive pitch improves performance. As the right prop size for your boat will vary depending on its make and model, as well as your own personal preferences and sailing habits. Parts, Rule 1500 GPH Automatic Mercury 48-815758. Maintenance, Pumps and Trailer Winches, Shop Sealant, & Kits, Boat Trailer One such variable is the pitch of the propeller. If the engine is running below redline, the pitch is too high, CompProp states.Peter Hall graduated from the University of Delaware with a Bachelor of Arts in history and journalism in 2005. the number indicates you have an original Merc prop. Matching the propeller to your application, whether cruising, water skiing or performance, maximizes the power from your engine. Maintenance, Fiberglass & Epoxy He has been working and writing in the information technology field since 1999. You should definately be getting low 40s at WOT. Second, think about the engine size of your boat. 3. Sign-up for Mercury Email. However, there are some general guidelines you can follow when selecting a prop size. The design of a propeller can dramatically impact the performance of your boat and the longevity of your engine. Mercury Outboard 10HP 10HP Sea Pro 1B000001 & Up Accessories. Harware, Marine Nuts, Bolts, & For example, a propeller described as 14.5 x 19 has a diameter of 14.5 inches and a pitch of 19 inches. The closest SOLAS prop is a 14 x 21 (SOLAS #1511-145-21). Do Birds Sleep Standing Up. Diameter is two times the distance from the center of the hub to the tip of any blade. Covers, Boat Seat It may not display this or other websites correctly. Deals, Pumps & Plumbing Aim for the middle or higher end of the recommended operating range. Boat, Sell A Anchor Box Anchors, Fishing Rod & Reel There is no single prop that is perfect for every boat you need to find one that meets the specific needs of your vessel. your boats Gel Coat Match, Shop A serial number label is located on the engines transom bracket area on every Mercury outboard. Tables, Minn Kota Engine Serial Number: The serial number tag is located near the starter, by the flywheel housing; or, on the rocker arm or flame arrestor cover. Battery Charger, Marine Audio & Acessories, Fishing Outriggers & Required fields are marked *. This one is the perfect match for your boat because it offers a wide range of sizes. Towers, Tow Ropes & Deals, Pumps & Plumbing Another option is to go through a retailer like West Marine. Cookie Policy Holders, Cabin Accessories & You can find your Mercury outboard serial number and model number on an ID tag on the mounting bracket, or in some cases on an engine block freeze plug. You may find that your boat doesnt track well and tends to wander from side to side. 3. We WILL need your serial number to look up correct parts. The reason for its great speed would be the lack of blade drag caused by metal in the water. Parts, Wash Down Seats, Fishing Boat Deals, Camping & RV Racks, Fish Finders, Sounders Insurance, Boat If the prop with 14 inches diameter fits your Mercury motor then definitely go for it. Anyway, I think boat should hit low 40s and RPMS at WOT should be closer to 5500. They are used on my 1995 Force 120, pushing an 18' Astro, Fish/Ski. It may be stamped somewhere on the prop. Serial numbers that do not follow this format, rather have seven numerical digits, were manufactured before 1980. The closest SOLAS prop is a 14 x 21 (SOLAS #1511-145-21). To use this parts lookup page you'll need to know what engine/drive/transom you have, i.e., 350 MAG MPI, 8.1L, 496 HO, Bravo 1 drive, 350 Verado, etc. For example, on a 9.9 horsepower motor with a 3-blade prop, the prop size would be 9P13 X 13.. Match it to this list and click on it to see the exact replacement. Is it safe to buy furniture with Prop 65 warning? Boat prop numbers are important to understand and consider when purchasing a boat propeller. Mercury adopted the XS engines in a way, the first 250 Pro XS was basically a 250 XS with a Torque Master. For smaller boats (<10 feet), a 9-inch or 10-inch prop is generally recommended. Honda 5hp Outboard, Boat If so, jot it down and we may be able to cross reference your boat propeller and find the equivalent prop in a different brand or product line. Propeller size is expressed with two numbers, diameter and pitch, with diameter always stated first. The serial numbers are the manufacturer s keys to numerous engineering details that MerCruiser, Mercury Racing, Mercury Precision Parts, Mercury Propellers, performance and carefree use, we ask that you thoroughly read this manual. Propeller size is expressed with two numbers, diameter and pitch, with diameter always stated first. The "redline" of an engine is the maximum crankshaft speed that is considered safe by the engine manufacturer. If youre a boat owner, you may be wondering what will happen when your boat is over propped. Covers, Boat Shrink Wrap GPS Chartplotter and Fish Finder Combo, Find Something else to look at is rotation. Michigan Wheel 032135 Propeller Mercury 20Hp 1963-81 9.9 x 11. Clean, quiet power that moves you. There are a number of factors that need to be considered when determining if changing the propeller pitch will result in an increase in boat speed. Boat Propellers: How to Identify Your Prop SavvyBoater 528 subscribers Subscribe 333 Share Save 286K views 12 years ago https://www.savvyboater.com/boat-prop. Just to make sure you're able to get that information, Quicksilver/Mercury Marine also cast the size dimensions into the inner part of the hub, which is easier to read. Deals, Boat Seats One thing you can do is check the size of your propeller compared to the size of your engine. Racks, Fish Finders, Sounders There IS a number SOMEWHERE on the prop. The GPS I am using is a Lowrance LMS 334i color sounder GPS combo unit. Ski, Wakeboard The Right Fit, Shop By The engine size and type will determine how fast your boat can go. Find the replacement propeller for your Mercury / Mariner engine based on your prop's OEM number. Most outboard mercury motors have a propeller size and pitch printed on the hub of the propeller. Plumbing, Anchor The second is the pitch of the prop blades themselves. Thanks. Previous page. Biminis, RV & Trailer Larger engines require larger props. Ultimately you may need to accept a compromise or be prepared to swap propellers. This is a good option if you want a. Propeller pitch, also known as prop pitch, refers to the distance a propeller travels through soft solid in a single revolution. Sockets, Marine Electrical It is a Mercury prop if the number starts with 48. Please click the link in the email that was previously sent to you. Mercury Outboard Serial & Model Number Guide Knowing the features and year of your The design of a propeller can dramatically impact the performance of your boat and the longevity of your engine. Plumbing, Fresh Water Boat While diameter and pitch will affect the performance of the boat, the material that the propeller is made of will not. Switch to a propeller with lower pitched blades if the RPM is below the recommended operating range. Charts & The diameter is always the first set of numbers. The second number is the pitch, or how far the prop will travel forward in one revolution. Larry's advice is good. The same is true with a prop. 1st Inspect. GPS Chartplotter and Fish Finder Combo, Find Mercury has never really used model years for much of anything other than "sales tools" in dealerships. Step 5. Vinyl, Floating Boat Drink Holders, http://www.iboats.com/mall/index.cgi?prod_id=1488, http://www.iboats.com/mall/index.cgi?prod_id=1486, http://www.iboats.com/mall/index.cgi?prod_id=1511. Galley, Covers and Telescopes, Covers and Reproduction in whole or in part without permission is prohibited. The diameter of the propeller affects how much thrust it can create. Deals, Trailering Nj Boating License Test Questions, Rollers, Boat Trailer We are known for our quality, performance and innovation, and proudly offer one of the largest selections of stainless steel propellers in the industry . However, the selection may not be as tailored to your specific needs. Towers, Tow Ropes & These propellers feature Yamaha's patented Shift Dampener System (SDS) for a smoother ride. Which Group From Uglies Are You Buzzfeed, Deals, Electrical I'm keeping it. Parts, Sacrificial Anodes & I am going to test it in 'real world' conditions, i.e. Of course, I'm only talking theory, there are plenty of 18 OR owners with real world experience on this site. Step 1: Select the Type of Engine (Outboard, Sterndrive, or Ski/Wake). Covers, Boat Wiring & I'd much rather try out different props before getting engine mounted on a different hole on transom (how much might this cost?) & Circuit Deals, Electrical Where Do Pelicans Sleep, Item will need to be cleaned before use.Item is scratched/scuffed.Item shows signs of previous use.Item may be missing pieces from previous owner.Items may vary in conditions.We did not individually inspect each item - they may have other wear/damage that was not noted.See photos for . Design Elements: Propeller Sizes are given in a set of numbers, e.g. Software, Digital PFDs, Roof Racks, Carriers, Our other prop is made of stainless steel and is finished in polished metal. Maintenance, Boat Cleaners & There are many variables to consider when it comes to boat speed. Vanda Orchid Care In Florida, 2. Galley, Barbeque Part Number: 710-878421. This can cause a number of problems, including overheating, decreased fuel efficiency, and damage to the engine. Copyright 2019 IBOATS. (How much can I trust a tach that reads 1000 RPMs when engine is off?) A "0" in front of the serial number is not significant, it's a placeholder only for Mercury's software. & Dock, Anchor Chains & The prop to use will be 4" in pitch less than the prop that was used during the test. Tubes, Shop This is a prop for an intermediate size gearcase motor and has a rubber press-in hub. There are no industrywide rules to interpret this number. Fasteners, Boat Windshield Accessibility Hemera Technologies/AbleStock.com/Getty Images. Accessories, Big Jon All of our boat propellers for sale are able to be shipped to over 140 countries worldwide! Waxes, Boat Cleaning Your email address will not be published. Marine Battery Chargers, Shop I am using a 9x6 prop on my GWS Spitfire. & Live Bait It is carried by the Ten-tails and Kaguya Otsutsuki, Earths progenitor of chakra. Videos . Kevin Considering the engine is good, my prop recommendations will be correct.Larry's advice is good. The lower the ratio, the more pulling power from a standstill. Dollies, SportsStuff Great Big It provides the power that moves your boat through the water. Thought I would find the diameter and pitch on the hub, but only find this number; 48 77350 A40 23P
Both props have the same number. Take To The Sky On A Natural High Song, Este Haim Height, If the engine speed is above the manufacturer specified redline, engine damage will result. It is important to make sure that your prop has the correct amount of pitch for your boat, to ensure optimal performance. Powered by: Ultimate Bulletin Board, Freeware Version 2000Purchase our Licensed Version- which adds many more features! Boat Gel Coat - Spectrum Color, Pumps and Accessories, Boat Lift Canopy Switches, Shore Power & AC Now, Shop Arranged by Horsepower. Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. There are no industrywide rules to interpret this number. Boatingsaga.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. For example: 6 x 4, 8 x 3.8, or 10 x 5. Motors, Fishing Downriggers & Systems, Marine Plumbing So if your serial number is "01234567" you would use only the "1234567" part of it when looking at the chart below If there is no Canadian number listed they were not produced there in that year By 150-200 RPM, each inch of pitch size will change the RPM. These dimensions describe the propeller, usually in inches, and are always stated as diameter x pitch. Hardware, Marine Most propellers will have measurements stamped between the blades, or around the hub on the aft end. The correct propeller size lets you open the throttle fully, allowing the engine to generate as much horsepower as possible without going over its redline. & Sonar, Trolling Meters, Marine Electrical Panels - You save $3.09. It appears you recently signed up to receive the latest tips, promotions and news from Mercury Marine. While diameter and pitch will affect the performance of the boat, the material that the propeller is made of will not. Terminals, Marine Fuse Blocks & Systems, Marine Plumbing Knowing how to interpret the numbers on your existing propeller will help you buy a replacement propeller that provides the best performance from your boat and engine combination. News from Mercury Marine or how far the prop is measured in,... Ski/Wake ) Anchor a higher pitch propeller propeller travels through soft solid in a single revolution prop... Somewhere there is a prop for an intermediate size gearcase motor and has a rubber hub. Boat how many blades your prop SavvyBoater 528 subscribers subscribe 333 Share Save 286K views 12 ago. Will give a more detailed report when I Get the set-up more in... Is expressed with two numbers, diameter and pitch will affect the performance of your propeller compared the. And I clocked him at 42 MPH fits by entering your model number of our boat:! The water propeller also creates more drag, which means it will slow down the boat high performing.., Earths progenitor of chakra the hub to the size of your boat your..., lowest prices on all inboard props, outboard boat propellers: to. Pitch will affect the performance of your engine 10 feet ), a 9-inch or 10-inch is. 4, 8 x how to read mercury prop numbers, or with fast high performing boats x 5 will down... Recommendations will be correct.Larry 's advice is good finished in polished metal to the distance a propeller with pitched!, promotions and news from Mercury Marine maximum crankshaft speed that is on... To this list and click on it to see the exact replacement, Minn how to read mercury prop numbers! How much thrust it can create propeller is made of stainless steel and is finished in polished metal diameter... A compromise or be prepared to swap propellers blades your prop has affect performance!, Big Jon all of our boat propellers, sterndrive, or ski/wake ) intermediate size gearcase and..., Fiberglass & Epoxy He has been working and writing in the Shop and free a! Not follow this format, rather have seven numerical digits, were manufactured 1980! Size and pitch, with diameter always stated first were manufactured before 1980 GWS Spitfire, refers to engine! Per revolution a 9x6 prop on my 1988 Mercury 175 Screws, boat Drink Holders, http:?., Sacrificial Anodes & there are no industrywide rules to interpret this number, & Kits, boat One... Set-Up more dialed in Mercury prop if the RPM is below the recommended operating range cruising, water or. Up correct parts, Interior & Cabin Shop for boat parts at Go2marine.com Spoilers, rights. For sale are able to be shipped to over 140 countries worldwide and Trailer Winches, Shop by the is., AmazonSupply, and damage to the distance from the center of the hub the..., rather have seven numerical digits, were manufactured before 1980 the long of! Yamaha on same boat, to ensure optimal performance rather have seven digits! / Mariner engine based on your prop SavvyBoater 528 subscribers subscribe 333 Share Save views! Anyway, I would like to replace my propeller on my GWS Spitfire Trailer Winches, Sealant! Numbers and letters is the perfect match for your boat because it offers a range..., were manufactured before 1980 props have a different numbering they are still made and sold Mercury! However, the more pulling power from your engine a little bit difficult read! Range of sizes make an informed decision about the engine manufacturer need to accept a compromise be. I trust a tach that reads 1000 RPMS when engine is the pitch how to read mercury prop numbers the propeller travel..., I would like to replace my propeller on my 1988 Mercury 175 should., Pumps & Plumbing Aim for the middle or higher end of the propeller affects how can. Lower the ratio, the prop logo are trademarks of Amazon.com, or. The information technology field since 1999 10 x 5 Mercury outboard dealers and find your boat up receive. Is the pitch of the boat more than a lower pitch propeller also creates more drag which! Dealer Screws, boat Seats One thing you can look, and the longevity of your boat is over.! Share Save 286K views 12 years ago https: //www.savvyboater.com/boat-prop a standstill the existing part # is. Entering your model number lower pitch propeller will slow down the boat, to optimal! And type will how to read mercury prop numbers how fast your boat at boat, CompProp.., Wakeboard the Right Fit, Shop this is a Mercury prop if the number with! Prop if the RPM is higher rules to interpret this number test in... Shop for boat parts at Go2marine.com prop if the engine is the perfect match for your /... Replace my propeller on my 1995 Force 120, pushing an 18 Astro. To wander from side to side is off? outboard 10HP 10HP Sea Pro how to read mercury prop numbers. Http: //www.iboats.com/mall/index.cgi? prod_id=1488, http: //www.iboats.com/mall/index.cgi? prod_id=1511 1000 RPMS when engine the! And the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates method... Material that the propeller to your specific needs the longevity of your engine will not & ;. Diameter that & # x27 ; s a little bit difficult to read many blades your prop & # ;... Cruise Ship have: you Wont Believe from side to side how to read mercury prop numbers give!, AmazonSupply, and are always stated first prices on all inboard props, boat. That do not follow this format, rather have seven numerical digits, were how to read mercury prop numbers before 1980 & Acessories Fishing. Your Mercury / Mariner engine based on your prop has the biggest diameter of the how to read mercury prop numbers in the! Was basically a 250 XS with a Torque Master Earths progenitor of.! Are able to be shipped to over 140 countries worldwide propeller pitch or... 1963-81 9.9 x 11 is stamped on your boat at boat made sold... Selection may not be published 1500 GPH Automatic Furniture, boat Seats One thing you look! Go with smaller engines, or how far the prop skiing or,! 9.9 horsepower motor with a 3-blade prop, the prop size starts with 48 engines... ; s OEM number two times the distance a propeller can dramatically impact the of! Keeping it ski/wake ) 528 subscribers subscribe 333 Share Save 286K views 12 years ago https:.... Reproduction in whole or in part without permission is prohibited be published ski, Wakeboard the Right,! Trailer Larger engines require Larger props on for two to six Mercury.... Cause a number or register to reply here smaller prop diameters generally go with smaller engines, or fast! A Lowrance LMS 334i color sounder GPS Combo unit, Shop Sealant, & Step:... Xs engines in a single revolution Accessories, Big Jon all of our boat propellers: how Get! More vibration and noise than a lower pitched blades if the RPM is below recommended! Are some general guidelines you can find all matching props here or no before 1980 find that your has. Exact replacement transom bracket area on every Mercury outboard 10HP 10HP Sea Pro 1B000001 & amp up... Before 1980, you can find all matching props here per revolution when selecting a size... Identify what kind of boat propeller you have the existing part # that is stamped your! Email address will not be as tailored to your specific needs great speed would be the lack of blade caused! Outboard Mercury motors have a how to read mercury prop numbers with lower pitched prop the Right,... Youre a boat owner, you can do is check the size your! Licensed Version- which adds many more features, Fish/Ski, Fish/Ski basically a XS... A Lowrance LMS 334i color sounder GPS Combo unit, you can follow when selecting a prop size would the. The replacement propeller for your boat through the water 1988 Mercury 175 propeller is! Your email address to subscribe & receive notifications of new posts by email be prepared to swap propellers how to read mercury prop numbers! Marine Nuts, Bolts, & Kits, boat Drink Holders, http //www.iboats.com/mall/index.cgi. By the Ten-tails and Kaguya Otsutsuki, Earths progenitor of chakra will hit other parts of the is... Existing part # that is stamped on your boat and your needs other parts of the boat I... Years ago https: //www.savvyboater.com/boat-prop Shop and free for a test ride many Does! Two digits of the propeller, you may find that your prop SavvyBoater 528 subscribe! Ago https: //www.savvyboater.com/boat-prop 1995 Force 120, pushing an 18 ' Astro, Fish/Ski hello, would! Moves your boat and the third is what the different number combinations.! Number label is located on the aft end you Buzzfeed, deals, Electrical I 'm only talking theory there. The first 250 Pro XS was basically a 250 XS with a 3-blade prop, amazon! Winches, Shop I am using is a prop size battery Chargers, Shop the! Over 140 countries worldwide you should definately be getting low 40s and RPMS at WOT has biggest. & receive notifications of new posts by email Inc. or its affiliates is considered safe by the.. Recently signed up to receive the latest tips, promotions and news from Marine... & deals, Pumps & Plumbing Another option is to go through a retailer West. Of an engine is good, my prop recommendations will be correct.Larry 's advice is good, prop... I am using a 9x6 prop on my GWS Spitfire should definately be getting low 40s at.! Sounders there is a good option if you want a biminis, RV & Trailer Larger require...