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mercuiser problem

S

ssi

New member
Hello all, Jaures need advice please! I have a Mercruiser 4.3 efi chaparral 2001 with my engine
stuck off suddenly (he was traveling on-site neutral) never restart (as if gas goes not)
, It's been two weeks that he is at the dealership, do not comprenent the problem, everything is ok the oil change, spark plug, the pump was ok gas, gas filter, it makes the fire, the compression cylinder is perfect, the gas come!.

réeussit to have the starter they change the engine timing, yesterday al essait on the lake, he start really well, soon puts that have gas,
enough power to lower the nose of the boat,(no power)
!!!

before all this happens, , I have run with the boat three hours, and works perfectly
what do you think, you will be very reponsse apreciated, thank you al lead

Nick
Quebec
Canada
 
Welcome !

There is a lanyard " rope " to a dead mans switch ? If yes check that it is in.

What i seem to understand from your question is that you are going with the boat and it cuts off no reason you can find.

Or he can't reach wot.

Re: Merc 5.0l Lack of power no rpm over 3000rpm

List of possible causes of low WOT

List of possible causes of low WOT (Wide Open Throttle) rpm.

In no particular order

Engine Won't Reach Operating RPM. Check

1. Fuel condition. Type and Octane possibly old fuel
2. Propeller pitch or diameter, damaged blades
3. Restricted fuel pickup tube or anti siphon valve Fuel System Test
4. Crankcase oil volume, high oil level can cause aerated oil and lifter collapse
5. Marine growth on hull and outdrive
6. Wrong gear ratio in outdrive
7. Restricted carburetor air intake (clogged flame arrestor)
8. Restricted exhaust system (broken exhaust shutters/flappers) in engine transom shield or drive
9. Poor cylinder compression Compression Test
10. Carburetor defective, or wrong type.
11. Fuel pump pressure and vacuum
12. Boat overloaded, improperly loaded, or improperly trimmed.
13. Engine Overheating
14. Engine timing and ignition system operation
15. Remote control cables and linkage for proper travel to open throttle plates fully.

Above copied and pasted from another website Don s is the author.
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