New exhaust elbow / riser. Direct Mercruiser replacement. Used in 2.5L and 3.0L late model appliions from 1982-85 and 1990 and later. 4" Diameter. Two bolt pattern. Includes mounting hardware, gaskets & exhaust bellow with clamps. Replaces Mercruiser 12076, 12076A2, Sierra 18-1975-1, Mallory 9 …
Mercruiser Marine 7.4L 310 hp MPI Belts & Hoses. View. Mercruiser Marine 7.4L 310 hp MPI Brakes. View. Mercruiser Marine 7.4L 310 hp MPI Drivetrain. View. Mercruiser Marine 7.4L 310 hp MPI Small Engine, Lawn & Garden. View. Mercruiser Marine 7.4L 310 hp MPI Steering & Suspension. View. Mercruiser Marine 7.4L 310 hp MPI Tire, Wheels
6 Use hose 32-817435 if engine has a remote oil filter. 7 Use with thermostat housing having a "T" fitting for the 2 exhaust elbow hoses and the thermostat cover for the 2 exhaust manifold hoses. 8 Use with thermostat housing having all 4 exhaust hose connectors incorporated into one casting, 2 hoses for the manifold and 2 hoses for the elbows.
Thanks to its size and power this is the ideal replacement engine for 350 MAG, 7.4L, and 7.4L MPI engines that power cruisers, small boats and large runabouts. 8.1L Horizon Inboard - 370 Crankshaft Horsepower. The ideal big-block repower for your inboard yacht.
The engine in your 1996 Mercruiser Marine 7.4L 395 hp Magnum MPI Ski requires three basic things to run: fuel, air, and fire. Whether gas is delivered via carburetor, throttle body, or fuel injector the proper fuel mixture is critical to a smooth running engine.
Mercruiser Heat Exchanger Chev Log Front 4" X 18-1/4" Lower Outlet 45 Degree. Brand: Seakamp. Part No: HE-74643.
21.99. View Details. Mpi Series 100 Hardwall 1-14 Id Marine Water Hose - Sold By The Foot. 7.99. View Details. Marine Fuel Fill Hose 1-12 Id Mpi 350 Series Wire Reinforced By The Foot. 8.95. View Details. 38 Id Mpi Premium Type B1 Marine Fuel Hose Line 8469-b1 Foot 5.99 Max To Ship.
Mercruiser Exhaust Manifold and Riser Kit 5.0 & 5.7 litre, HGE Aluminium. Manifold HGE 7114-A – fits GM Small Block V8 305 – 350 cu. Models 220, 228, 230, 260 and 898. (2) 4″ risers, 7° down angle (HGE4354A). Package includes all mounting hardware & gaskets as shown.
Procharger Intercooled 1998-2001 Mercruiser 7.4 MPI System . The low compression of the 7.4 MPI makes it an excellent candidate for modern supercharging technology, producing large percentage power gains with relatively low boost levels. Increases crankshaft power form …
11/7/2009· Have 7.4 liter mercruser want to change oil engine has blue hose on port side back of engine is this to change oil and - Answered by a verified Marine Mechanic lost all my engine oil in 7.4 liter mpi over 6 hours engine use no blue engine smoke ? no oil in bilge ? notice oil stain where gile mount exhaust (replacing a 7.4 Mercruiser
Mercruiser 350 MAG MPI 300HP Dyno-Boost ECU chip is quite easy to install, you don''t have to go to the shipyard and pay for installation, use the instructions and you Oct 04, 2021 · Our dyno-proven Mercruiser 350 Mag MPI GenPlus V8 GM Small Block performance sparkplugs give some increased performance level besides reducing fuel consumption thanks to the state-of-the-art, 360-degree, round
23/11/2018· MerCruiser Magnum MPI Operation & Maintenance Manual. Engine MerCruiser MPI User Manual ( pages) Engine MerCruiser Scorpion User Manual (98 pages) Summary of Contents for MerCruiser Magnum MPI. CC Water Flow Diagram Page Wiring Diagrams. Here is a wonderful photo for mercruiser 5 7 water diagram.
20/8/2015· 7.4 L MPI Mercruiser (1998) with full closed cooling Bravo 3 Duo prop drive (1998) either by the size of the hose and fittings, or by the ID of the outlet fitting. As for the coolant supply and return, we want as close to ZERO restriction as possible in either. So keeping everything as it is except swapping the small hose (between the
mercruiser efi/mpi rev limiter limits rpm by cutting off fuel, which can cause a dangerous lean condition. ensure that boat is propped so that maximum rpm is below factory rev limiter. repeatedly bumping/riding rev limiter can result in serious engine damage. 10 11 20 22 35 39 56 62 85 96 torque specifiion chart thread size 1/4-20 1/4-26 5/16-18
Buy OEM Parts for Mercruiser Sterndrive Gas Engines THERMOSTAT HOUSING & HOSES Diagram . Chat Now Yamaha Mercury Honda Evinrude Suzuki Johnson Tohatsu Mercruiser 7.4L 454 CID MAG. MPI GEN VI V-8 0L010029 THRU 0L058399 THERMOSTAT HOUSING & HOSES Diagram. (1.98 DIameter) 815504222 In Stock. $5.20 $5.08 Add . 14: HOSE 897181 In Stock. $71
9 Use with thermostat housing having only 2 exhaust manifold hoses, the exhaust elbows do not have hoses connected to them. 12 VST fuel system. 13 Fuel cooled system. 16 Use hose 32-807989 for hose between fuel cooler & engine oil cooler. 17 Use with serial nuer 4775784 & below. Hose 32-86216 for serial nuer 4775785 & up is no longer available.
Fuel Economy Engine HP Idle 1000 1500 2000 2500 3000 3500 4000 4500 4800 WOT MerCruiser 3.0 MPI/TKS – 181 cid 135 hp 0.5 1 1.5 2.9 3.8 4.8 6.2 7.4 9.3 10.5 10.5 GPH MerCruiser 4.3 TKS –…
6/2/2013· Re: 7.4 mercruiser drain plugs. Pulling the drain plugs is good, but if you''re consistently seeing temps below freezing (for more than 2-3 days), I would winterize the block properly, by running about 5 gallons of -50 antifreeze through earmuffs on the outdrive.
The MerCruiser 7.4L MPI is a gasoline powered, fuel injected, 8-cylinder, 4-cycle marine engine. It delivers 310 horsepower (HP) to the propeller shaft at a maximum of 4,200 to 4,600 RPM at WOT (revolutions per minute at wide open throttle). It is a large engine with 454 cubic inches (7.4 liters) of displacement.
Circulating Pump Hose, 7.4L MPI Mercury - Mercruiser 32-861183 available at Wholesale Marine. We offer Mercury & Mercruiser products at lowest prices with superior service.
The Dry Joint Exhaust System design changes were introduced on both the V6 and Small Block V8 engine models. NOTE: MerCruiser also uses the same 5.7L exhaust manifolds and exhaust risers on the 5.0L, 357 Magnum, 383 Mag Stroker and 6.2L engines. However, MerCruiser never introduced Dry Joint Exhaust to the 7.4L or 8.2L Big Block V8 engines.
17/8/2013· Voional, Technical or Trade Scho. 1,396 satisfied customers. I have a 1998 crownline 266 br with 7.4 l mpi-mercruiser. i have a 1998 crownline 266 br with 7.4 l mpi-mercruiser engine #0l042497, bravo 3props-26p.The boat jumps out of the water and the top speed is around 50.
Some manifolds have a hose attached at the bottom. Removing the hose will also drain the manifold. Use a screw driver or 5/16" socket and loosen all the hose and bellows clamps. Remove the shift bracket from the elbow and any modules or mounting brackets. Remove any hoses which are attached to the manifolds and/or risers.
Mercruiser 8 cyl Ford Small Block: 255 hp 8 cyl GM Big Block: 330 hp 340 hp 400 Jet 454 EFI MP 454 Mag MPI (from OL002200) 454 MPI 7.4L 7.4L EFI 7.4L EFI/MPI 7.4L MPI (to OL000000) 8.2L 8.2L MPI 8 cyl GM Small Block: 255 hp 260 hp 350 Mag 350 Mag EFI (to OF799999) 350 Mag EFI/MP (to OF799999) 350 Mag MPI (to OF799999) 2000-06 454 EFI/MP 454 MPI
Find 90 Degree Elbow, Breather - 97850T here. 4 In Stock - Ships Immediately. Offering discount prices on OEM Mercury Marine parts for over 50 years.
29/5/2017· Engine: 1999 Mercruiser 7.4/454 MPI (not magnum) with raw water cooling (serial nuer 0L347xxx) with Bravo 3 outdrive. Actually it''s dual engine but only having the problem on port engine. What I''ve tried: Rebuilt the raw water pump (it was needed anyway after it it destroyed an impeller last year due to a crack inside)