My boat is fitted with a Mercruiser 4.3 EFI with what I believe is a Thunderbolt IV ignition system. The motor consistently starts promptly and runs smoothly at all speeds.
On the water today I had just got up on plane when the motor sputtered, died, and has since refused to start.
The twin...
I'm still trying to work out why I have no fuel.
I've read the 'sticky' on fuel systems, but the recommendations seem to mostly refer to tests with the engine running - and mine won't start.
Pulled in for gas with 1/4 tank. The engine, which had been running flawlessly up till that time, would...
I have a retrofit Mercruiser 4.3L - about 2000, I think.
I pulled in for gas this past weekend with 1/4 of a tank on board. After filling up, the motor would crank, but not start. Checked for spark - good. Took the spark arrestor off and noticed no spray of gas.
The motor would immediately start...
I have a Mercruiser 4.3efi - with a gear lube reservoir for the sterleg.
Thought I'd checked the reservoir earlier this season, but when the alarm went off yesterday I found that the tank was basically empty.
I imagine I may have a leak, but as a first step I want to top up the gear lube to see...
My boat has been sitting for a couple of years.
When I fired it up last week it started fine and ran well.
Today I noticed some water mixed with fresh oil in the bilge.
I've identified a few drips of water from the weep hole on top of the water pump, and will monitor it and, if necessary...
