Boat Repair Forum

I recently did a water pump repair on my Mercruiser 120 (pre-Alpha, MC-1) and had it out Tuesday ... everything is/was seemingly wonderful ... that...

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Hello all This is my problem if someone could help. I have a 1988 4.3v6 185hp mercruiser.Took it out at the begining of the summer and ran fine at...

Does mercCruiser make a conversion to dual prop for old outdrives ( 92') :confused:

I can not put it in to reverse gently you have to slam it in the unit is about 12yrs old any idears cheers steve

guy's,what is the torque sequence,and values to marry the 2- transom plates together on a 1987 alpha-1.thanks.:confused:

I have replaced 2 starter bolts already. Why are the bolts breaking?

I have a 1983 4 Winns 22.5 Cubby Cruiser with a Mercruiser 228 engine. I took the boat out for the first time a few weeks back and it ran fine until...

454 Mag MPI limits to 4100rpms lost 8mph too! Two months ago I was hitting the rev limiter easily, I...

98 eliminator 7.4 v8 , 300 hours. Fuel filter? fuel pump? injection? coil? computer? ELiminator says bring it down for an hour test and they can...

water out of supply hose (into bucket) from inner transom looks good up to 3000rpm, after that flow lessens, and is "airated", a mechanic friend said...

Hi, I have a 1997 Merc 350 MPI EFI with 125 hrs on it and it was running fine until a few days ago. It starts up fine then the rpms drop to 400 from...

I have a 2008 Campion 3.0L TKS. The engine is still under warranty. When it is cold I pump the throttle once and it starts immediately and the idle...

I have a 4.3 mercrusier and the coupler keeps burning out. I had it replaced and it did the exact same thing. The transom is solid and the machanic...

i have a 20ft crownline 5.0 i have a 19 pitch prop now runs 5500 rpm @ wot about 42mph would like to go faster any thoughts thanks

does any one have a pic of the wiring of the voltage reg so i can see where the orange wire gos it was all apart when i got the boat,thanks...

Hello, looking for some direction on replacing a leaking oil pan on a 1987 2.5 litre Merc cruiser There appears to be a small crack just below...

power at coil power at points nun at the plugs could the orange wire at the reg be the problem?

why are the starter bolts shearing off on my 130hp Merc? Has anyone had any problems like this?

Hi Guys, This Inboard Merc normally runs about 130 on plane while underway. When slowing down to pick up a mooring the temp will climb to 190 and...

4.3 LX Mercuiser First run today from winter storage: Engine was properly drained before put into storage for winter. The event: Idle was a...

i forgot to label wires of the motor does anyone have a diagram they can send me for a 5.7/350 mercruiser

i have a 98 crownline 5.0 merc with alpha drive. When i put it in drive i get a clunk that you can definatly feel. I realize that some clunk is...

Hey Guys, I'm not a novice boater, however I am very, very green around boat motors. The other day I was moving forward slowly through a no wake zone...

Fishing this morning I found a sand bar that stopped boat completely. Got the boat off and fired up then noticed temp was running up tp 175 then...

Partly a stem from another thread but thought this thread would give another angle and more attention. Short and simple, how do you guys have your...

After running all day hardcore on the lake with no problems we get back to the idle zone to recover the boat and it just dies. Checked ignition fuse...

89 5.7 Mercruiser Alpha 1. It will go so far up with the "trailer" button that it hits the swim platform. Is there a way to limit the total upper...

2003 Mercruiser (Chevy 305) runs great when it is cold. After 10-15 mins of driving starts missing, coughing, sputtering, backfiring... If you let it...

Hey guys, I had a backfiring problem with my straight six chevy 292, and discovered a bad exhaust lifter. Bought a new set of lifters,...

I did not want to be bothersome but I can't figure out this fuel pump and switch. I have a 1987 350 Mercruiser, what color wires go to the new two...

Last weekend my engine (1993 4.3 LX mercruiser) hesitated a few times (loss of power) than finaly stalled. I tried to restart it but it wouldn't turn...

My 1998 Crownline 5.0 Merc thunderbolt V ignition boat is still runing way too rich. There is 220 hrs on the motor. I have changed the plugs,...

I have a 77 SeaRay Sundancer with a 260hp Mercruiser 351w Ford. It is making a klanking noise I think it is coming from the u-joints. I just pulled...

Im tyring to located the Idle specs for 1975 4cyl mercruiser chevy vega inboard motor.

was on the river driving full throatle all of a sudden started losing power(rpms slowly started dropping)till it died and now i cant get it to run....