I only use this boat in lake michigan for trollinig. Last week engine died and had no power and got towed in. I am guessing its stator or voltage regulators. The stator is putting out 18vac and 21vac at idle. I am a bit confused on testing the volt/regs wether to test with running or not and...
I rebuilt the carbs on my 1988 J120TLCCA. Not realizing all the jets are different sizes. I am wondering if anyone knows where each one goes. There is two on each carb to a total of 8. HELP please.
I bought a crate motor with domed pistons advertised as 415hp rather than 330. With orginal carb i am getting popping and backfireing anything above idle once it warmz up. I am thi king lean but im wondering if i neex a bigger carb. Problem wasnt as bad 20 hrs ago bit getting worse. I mostly...
I was told by the previois ownwer but im not sure was right. the merc serial number tag says 6684072. if anyone has a way of telling me what it id appreiciate it. thanls jeff
New motor, coil, wires, plugs, ign sensor in distributor. Motor idles like a champ. Runs good for about 45min then all it will do is idle anything over 2500 rpm it spits spurts and backfires. At one point it would not start so I moved the timing to get back to dock. Im thinking the ign amp might...
454 bravo one new longblock with 2 he's on it. Anything about 3500rpm it misses and pops. Idle it runs great. Im thinking timing any insight would be great.
ATTN DON S. This is to let you know that putting the thermo on top of that sleeve in the old houseing does make a diiference in overheating. I put it in correctly and it runs great now. No overheat problems. Thanks for you insight. This forum has helped me greatly replaceing my block myself...
I have a 1988 454 bravo one with the old style thermo houseing. If the thermostat is put in on top of the brass sleeve (the flange was up i beleive its supposed to go down) instead of under it will that cause the motor and risers to get hot.
I have a 88 454 serial # b849705 I have 3 in rider blocks and im wondering if I need the restricted gaskets or the 4 large hole ones. Also in the thermo houseing is the thermo supposed to sit on top of that sleeve or under it. I am haveing a heat problem. Pumps are new and getting some flow but...
Can anyone tell me what starter I need. I have a 1988 454 with a bravo one. Serial # B849705 on original engine. Does anyone know the part number for the starter I need. Thanks
I bought a new long block with domed pistons (415hp instead of 330). I bought a new raw water pump and a new circulating pump 140 degree thermo. Within 5 to 10 min of running motor gets super hot it has steamed out exhaust. The last time I tried restarting and starter wouldn't turn it over. Took...
