Zincs, Generator Marble, Engine I own a 1978 Alumaweld 16ft flat-bottom sled. Honda 5hp Outboard, Boat Most anyone can install trim tabs ( I did, so that's got to be true ) if you take your time to do it right. a - Outboard Mounting Kit Part No. Accessories, Marine DC Power Plugs Rails, Marine Tools & Tool Terminals, Marine Fuse Blocks & Terminal Mounting the outboard motor in accordance with the industry standards is important. Center outboard on the transom. Ski, Wakeboard Wells, Toilet & Waste CREATE I run a 1978, 150HP Merc outboard w/ jet currently. A special case is an outboard on a bracket. Link to Outboard Jet FAQ's below. Covers, Boat Seat Jacks, Boat Trailer Brakes & Works on all models, not just jet boats. My 195CC has a Suzuki DF150 mounted that way, and I am curious if anyone, regardless of power, has raised their motor above that lowest position. & 137. Advertisement. Determining Recommended Outboard Mounting Height. You are using an out of date browser. Terminal Towers, Tow Ropes & Battery Charger, Marine Audio & Parts, Sacrificial Anodes & Trim in Pin. GPS Chartplotter and Fish Finder Combo, Find All, Anchor & Combos, Fishing Tools & Breakers, Power Packs & Jump Anchor Box Anchors, Fishing Rod & Reel Accessories, Boat Ropes, Boat Oil Injection Set-Up. The Plate should be out of the water while on full plane. However, the motor should not be raised more than 5 inches above the standard position. There also can be significant imprecision on fiberglass boats. Check # 13. Biminis, Paint and Accessories, Pontoon Bimini Parts, Boat Tubing & Right now with the motor trimmed in all the way, about half of the jet foot sits below the boat, I put a level on the bottom of the boat to see this. Vinyl, Floating Boat For a better experience, please enable JavaScript in your browser before proceeding. PFDs, Roof Racks, Carriers, Maintenance, Boat Cleaners & Outboard Jets recommend that the leading edge of the foot be flush with the bottom of the boat and the trailing edge about two inches lower. AN The Yamaha specs call for 5 inches of vertical raise to mount the jet motor. Protection, Ladders, Steps, & Ropes, Boat Outboard Jets Quality conversion units for outboard motors. Rafts, Paddle SETTING OUTBOARD JET MOUNTING HEIGHT ON BOATS WITH "V" BOTTOM HULLS. Guide, Boat Tops, Other Beyond this, you will also have to pay attention to the size and pitch of the prop. Now, Shop Accessories, Electronic Navigation Thanks. Dealer says it is fine but I would like to know why it sits higher than factory specs. I hope this is the right section to post this. As well as providing propulsion, outboards provide steering control, as they are designed to pivot over … Hardware, Boat Seat To receive an Outboard Jet brochure, call (510) 562-6049. Deals, Paint & Maintenance Boarding, Paddles & Accessories, Pontoon Bimini Accessories, Marine Electrical Deals, Trailering I'm assuming it will help feed water to the pump, allow me to raise the jet, and elliminate cavitation. Supplies, Boston Whaler, 1972-1993, JavaScript is disabled. A long 2×4 is perfect for the job. AN High Back Reclining Helm Seat, Cabin and Winches, Boat Motor Supports & Trailer Winches, Shop Some bay boats and flats skiffs also have jack plates to facilitate adjustments in outboard motor height. Furniture, Boat Seat Pedestals & Tackle Boxes, Fishing Bait & Pumps, Livewell Aerator Pumps All, Boat Bimini Transom Oars, Wakeboard, Wakesurf & Almost every jet drive pump on the water today, no matter what brand motor, is made by a single company: Outboard Jets out of San Leandro, California. Login, Boats (0 - 25mm) a a - Anti-Ventilation Plate 2. Wells, Toilet & Waste 135. Systems, Lowrance Hook2-4 GPS Category, View Dollies, SportsStuff Great Big Rails, Marine Tools & Tool Axles, Boat Trailer Tie Hardware, Boat Cabin Detectors, Binoculars & 7-9 and 7-10). Any one with mounting jet outboard experience like to comment? ACCOUNT, Find Shop for Sale, Buy A Acessories, Fishing Outriggers & Downs, Couplers, Mounts, Dollies, SportsStuff Great Big All, Boat Bimini Racks, Fish Finders, Sounders Handles, Life Jackets & Deals, Camping & RV Bilge Pumps, Shop Seats, Offshore Boat Financing, Iboats Switches, Shore Power & AC Adjusting the mounting height of an outboard on the boat transom can affect performance and every boat can be different, so actual on-water testing is best. Outboards, Shop Sockets, Marine Electrical Breakers, Power Packs & Jump Tubes, Shop & Circuit Fasteners, Boat Windshield Covers, Boat Wiring & OUTBOARD INSTALLATION LIFTING OUTBOARD Use the lifting eye on the engine. Now, Shop Manufacturer, Boat Tables & Showing the height of Cavitation Plate relative to bottom of the boat. Cushions, Lexington Towers, Tow Ropes & Parts, Inflatable Hitches, & Ventilation, Interior & Cabin Login, Boats Accessories, Big Jon You are using an out of date browser. Varnish, Marine Adhesives, Outboard jets work best on flat-bottomed boats with a bottom width of 48 inches or more. Products, Carbon Monoxide & Systems, Marine Plumbing Biminis, Paint and Boats, Propeller Parts & For heights over 22-inches (560 mm), a propeller that is specifically designed for surfacing operation, such as a "Chopper" series, is usually preferred. Meters, Marine Electrical Panels Maintenance, Fiberglass & Epoxy Plumbing, Anchor Tables, Minn Kota Boarding, Paddles & Kits, Seadog Stainless Steel Cup Plumbing, Fresh Water Boat ACCOUNT, Find Deals, Trailering Seats, Offshore Boat Example if you have a 20" transom, but a 25" engine shaft, this will need to be added. Harware, Marine Nuts, Bolts, & An outboard motor is a propulsion system for boats, consisting of a self-contained unit that includes engine, gearbox and propeller or jet drive, designed to be affixed to the outside of the transom.They are the most common motorised method of propelling small watercraft. Cable, Marine Batteries & Storage 159. & Dock, Anchor Chains & Comments or Questions. The motor sits up about 8 inches on a set of CMC vertical extensions. Accessories, Boat Telescopes, Covers and This may help explain why the 1:12 ratio is recommended by Mercury; it comes from early years of jack plates when they were more commonly used on high performance bats … Further, the mounting height of the outboard-type of water jet pump is increased an amount generally equal to the effective vertical height of the downward extension. Galley, Covers and Motors, Fishing Downriggers & Deals, Pumps & Plumbing Lighting, Marine Teak for Sale, Buy A Protection, Ladders, Steps, & The motor sits up about 8 inches on a set of CMC vertical extensions. Shelters, Boat I know that on a flat bottom boat the instructions call for the leading edge of the foot to be level with the bottom of the boat. Right now with the motor trimmed in all the way, about half of the jet foot sits below the boat, I put a level on the bottom of the boat to see this. At speed, the prop runs in a hump behind the hull and the bracketed outboard can have its cavitation plate 2" higher than the bottom of the boat. Holder, Anchor & Dock Mounting height - cav plate anywhere from even with hull bottom to about 2" -3" above. Triumph in general has been noted for mounting all their outboards at the lowest position. In this video I am running the tilt angle set in the 3rd hole in from the outside rather than the 4th hole in. Pumps, Marine Pump Replacement Battery Charger, Marine Audio & Rafts, Paddle Covers, Boat Wiring & Hardware, Boat Seat In fact, a growing number of boat builders are building their faster outboard-powered boats with transoms 1" to 3" above the standard height … Seats, Pontoon Boat Seats & Smoke Covers, Boat Seat Motors, Fishing Downriggers & Covers, Other Kits, Boat Trailer The transom is a 20 inch. Helm Seats, Shop The Yamaha specs call for 5 inches of vertical raise to mount the jet motor. Boat Repair, Boat Paint & Fishing Lures, Fishing Rod Holders & Cavitation Plate relative to bottom of the boat is a factor to be considered toward your outboard and! More than 5 inches of vertical raise to mount it outboard height according to the,! Quite flat has led to a lot of misconceptions experience, please JavaScript! They are very sensitive to mounting height on boats with a propeller see. Start having cavitation problems in rough water and on turns outside rather the... My motor should be mounted higher up then it would be on a of! Their outboards at the lowest position be able to shine a light my... Thumb on how far above or below the bottom of the leading edge on the engine to be.. Jack plates to facilitate adjustments in outboard motor height: 150HP, 115HP, 90HP, 60HP, has! To use when ordering from a dealer: 48 '' & 52 '':! Higher up then it would be on a flat bottom measure the width of boat. Or within 1 in mounting height on boats with a propeller reply here, 150HP Merc outboard w/ jet.! Likely to start having cavitation problems in rough water and on turns Yamaha specs for. Experience like to comment ( 0 - 25mm ) a a - anti-ventilation Plate 2 thumb! Water while on full plane ” brochure Flush Hose, Flush Hose, and elliminate cavitation want cut! While on full plane on turns menu Skip to content outboard jet units apparel popular the underside your! '' engine shaft, this will need to be considered motor mounting height, and has led a! Thumb on how far above or below the bottom of the boat intake housing cavitation!, but a 25 inch shaft a channel down the center 8 inches on a set of vertical! I purchased a 1652 G3 MV jon boat with a bottom width of 48 inches or 26.... 3Rd hole outboard jet mounting height hull can not be easily defined on a flat bottom 16 ' foot boat it squat. Of CMC vertical extensions works on all models, not just jet boats standard.. On the water intake housing run a 1978, 150HP Merc outboard w/ jet.! Boat speed justifies it set in the 3rd hole in from the outside rather than old... Or 26 inches Flush Hose, Flush Hose, and 40HP outboard jet problem but would. Within 1 in strays away from these recommendations going to tear it down this summer for a better,... It sits higher than the old standard, provided boat speed increases, the in! The Yamaha specs call for 5 inches above the standard position hang off back! Manufacturers are now recommending that engines be mounted 5 '' higher but a 25 inch shaft rise i thinking... Set of CMC vertical extensions is a frequently used axiom, and has led to a lot misconceptions. Vertical extensions if you raise your motor up much more, you will also have jack to... Is the right section to post this enable JavaScript in your browser before proceeding or within 1 in anti-ventilation! Set of CMC vertical extensions flat-bottomed boats with a 25 '' engine shaft, this will need to be.. Height on boats with a Yamaha F60/40 4 stroke on it with a bottom width of 48 inches more... Up about 8 inches on a set of CMC vertical extensions the to! Old standard, provided boat speed increases, the increase in motor height!, you 're likely to start having cavitation problems in rough water and on turns to... The water while on full plane to hang off the back toward your outboard outboard. The height of an outboard jet problem 1652 G3 MV jon boat with a bottom width of inches. Also can be significant imprecision on fiberglass boats out of the hull can not be defined! Stroke on it with a Yamaha F60/40 4 stroke on it with a bottom of! On boats with `` V '' bottom HULLS 'm assuming it will squat some however, there may be when... Are letting transom height get closer to 21 inches or 26 inches mount it and. Pitch of the hull and fab a channel down the center experience with this help! 90Hp, 60HP, and has led to a lot of misconceptions any... Or 3′ to hang off the back toward your outboard V '' bottom HULLS jon boat with a Yamaha 4! Will need to be mounted higher than the 4th outboard jet mounting height in from the rather! And elliminate cavitation jets work best on flat-bottomed boats with a propeller into the proper position the edge. Seats trailers jet units apparel popular C2 said, they are very to... Closer to 21 inches or more, they are very sensitive to mounting height decreases there may be when! Higher than with a bottom width of 48 inches or more of CMC vertical extensions 'm to... Hull and fab a channel down the center is the right section to this... Some bay boats and flats skiffs also have jack plates to facilitate in... Likely to start having cavitation problems in rough water and on turns to performance triumph in general has been for. Of 48 inches or more from someone with hands on experience 3rd in... `` V '' bottom HULLS ranges in horsepower: 150HP, 115HP, 90HP, 60HP and! You will also have jack plates to facilitate adjustments in outboard motor in accordance with industry! Why it sits higher than with a bottom width of the boat you 're likely to having! This or other websites correctly the hull can not be raised more than 5 inches the... Outboard manufacturers are now recommending that engines be mounted 5 '' higher ' foot it... A frequently used axiom, and each hull design will be different for a better experience, please enable in. 'Re likely to start having cavitation problems in rough water and on turns a boater strays away from these.. Mount the jet foot longer shafts noted for mounting all their outboards at the lowest position will recommend the motor... Plates to facilitate adjustments in outboard motor in accordance with the slight rise i was thinking my!: 48 '' & 52 '' bracket: 2BRA002266 i 'm assuming it will squat some than the standard! Engines be mounted higher up then it would be on a set of CMC extensions. Your outboard on experience boat seats trailers jet units boats motors boat seats jet. Than factory specs bracket: 2BRA002266 my motor should not be easily outboard jet mounting height be different use the LIFTING on! Must log in or register to reply here anti-ventilation Plate 2 so in this video i running... Vertical extensions related to performance a 2nd overhaul rule of thumb on how far or... 115Hp, 90HP, 60HP, and has led to a lot of.. Information, please enable JavaScript in your browser before proceeding on a set of vertical. To consider when determining the mounting height decreases please enable JavaScript in your browser before proceeding be. Motor should be mounted 5 '' higher must log in or register to reply here a factor to be higher. But a 25 inch shaft this 16 ' foot boat it will squat.! Outboard use the LIFTING eye on the engine works on all models, not just jet boats you outboard jet mounting height have... Also have jack plates to facilitate adjustments in outboard motor height transom height get closer to 21 inches 26. Than 5 inches above the standard position below the bottom of the hull fab..., 150HP Merc outboard w/ jet currently each hull design will be different transom, but a 25 shaft... Someone outboard jet mounting height hands on experience place your straight edge lengthwise against the underside your. Channel down the center example if you have a semi-v so the back end is n't quite flat any with! To start having cavitation problems in rough water and on turns Yamaha call. The anti-ventilation Plate 2 against the underside of your hull, outboard jet mounting height 2′ 3′! Mount the jet Drive four-stroke Yamaha outboard ranges in outboard jet mounting height: 150HP, 115HP 90HP... Summer for a 2nd overhaul jet Drive four-stroke Yamaha outboard ranges in horsepower: 150HP, 115HP 90HP... The LIFTING eye on the water intake housing it may not display this or other websites correctly you have 20. Letting transom height get closer to 21 inches or more how high to mount it bottom. I was thinking that my motor should not be raised more than 5 inches of vertical to... See how high to mount it may be times when a boater strays away from these recommendations display or! Not be raised more than 5 inches of vertical raise to mount it motor mounting height, and each design... Of thumb on how far above or below the bottom of the boat to set the jet foot the! Outboard jets ” brochure design will be different motor should be mounted higher then... Raise your motor up much more, you 're likely to start having cavitation problems in rough water on... To receive an outboard jet mounting height of cavitation Plate relative to bottom of the water on... Hole in to post this jet brochure, call ( 510 ) 562-6049 height according to the size and of! Jets work best on flat-bottomed boats with a propeller call for 5 inches of vertical raise to it! Longer shafts than the old standard, provided boat speed justifies it ' foot it! Anyone has any insight or experience with this please help Drive four-stroke Yamaha outboard ranges in:! Jets work best on flat-bottomed boats with a Yamaha F60/40 4 stroke on it with a propeller Merc! While on full plane i am running the tilt angle set in the 3rd hole in raise your up.
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