Mercruiser produce a wide range of different engine sizes from 135hp to 425hp. The most popular sizes are the 3.0L / 135hp and the 4.3L / 190hp versions.
Mercruiser buys engines from many suppliers, including Chevrolet.
the stock size is a 14.75 x 21 ptich
Mercruiser engines of various sizes from 3 liter on up.
i have a 1978 browning mustang 1 that i am restoring.it has a mercruiser io 140hp engine and mercruiser 140 sterndrive.
You can find a wiring diagram for a 1987 MerCruiser by checking the owner's manual for the specific model, as it often includes wiring schematics. Additionally, online resources such as boat forums, the MerCruiser website, or dedicated marine repair sites may have downloadable diagrams. Marine repair shops and publications that focus on older boat engines may also provide useful information. Lastly, contacting a MerCruiser dealer can yield specific wiring diagrams for your model.
On a MerCruiser Alpha One engine, cylinder number 1 is located on the starboard side (right side when facing forward) of the engine, at the front. This configuration is standard for most automotive and marine engines, where cylinders are numbered from the front of the engine to the rear. For V6 and V8 engines, this means that cylinder number 1 will typically be the first cylinder closest to the front of the engine.
if these engines are of the 470 mercruiser family check the seal behind the water circulating pump on front of engine is anti freeze oily if so check that specific engine ,heat exchangers ? or head gaskets are a good posibilty ! have a compression test done !
The correct timing for a Mercruiser 3.0L 140 engine is 6 degrees BTDC. for a Mercruiser 120 the correct timing is 8 degree BTDC.
The drain plugs on a 470 MerCruiser engine typically use a 1/2-inch NPT (National Pipe Thread) size. It's essential to ensure that the plugs are properly sealed and in good condition to prevent leaks. Always refer to the specific maintenance manual for your engine model for the most accurate information.
Timing for Mercruiser 470 is 8 BTDC at idle speed. Mercruiser Service Bulletin specifies 4 degrees BTDC, due to new gasoline formulation.
Neither of those companies make their own engines. Most engines will changes from one mower to another with minor adjustments as long as they are the same type engine. If they are both the same size and make engines then there should be no trouble.
Yes , according to the Gates website ( they make timing belts etc. ) both the DOHC and SOHC engines in a 2000 Ford Focus are interference engines * both engines are 2.0 liters in size *