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Hello,
I have a 1986 sylvan with a 1986 Mercruiser 3.0L 140HP and an Alpha One (Gen 1) outdrive.
Last week when I was on the water I noticed that I was overheating a bit at idle. Whenever I increased the RPM?s the temp would shoot back down to the normal operating temp in the 120?s-130?s...
Quite a specific question but here it goes. Just looking for some input on a fuel pump I recently bought. It is a sierra style mechanical fuel pump part# 18-7278 for my 1986 mercruiser 3.0 140hp. My old fuel pump did pump fuel but was all gummed up with junk and had a small tear in the middle...
I have a 1986 mercruiser I/O and recently had troubles stalling. A mechanic looked at it and tried to tell me i needed a new carb. I bought a rebuild kit for $70 compared to $800 for a new carb, rebuilt the carb and she starts up great.
She idles fine when i have the throttle control at the...
