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    Starter engaging with one bolt installed, spins but does not engage when both bolts are installed

    I have mercruiser 3.0. I had a broken starter bolt which I extracted and replaced with mercruiser original starter bolt. Since then my starter is not working while installed on the engine. It works fine when bench tested and as long as I install one of the 2 bolts. I have to leave the bolt...
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    throttle control is acting like an ignition switch.

    I run into a curious problem…. In my mercruiser 3.0 the throttle control is acting like an ignition switch. When I tried to start the boat (in neutral) nothing happens. When I move the throttle control lever to forward, the engine starts (the strange thing is I did not even have to turn the key...
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    Can you help me identify these?

    I was trying to change water impeller on my Crownline 180 BR with mercruiser 3.0 engine, alpha 1 gen II stern drive. These pair of metallic objects fell out when I pulled the lower unit the items in the pic below fell down with the filler wall. I looked at parts diagram for the upper and lower...
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    Throttle issue?

    I have a 2006 Crownline 180BR with mercruiser 3.0 engine. Here is the issue…. When going forward at low speed, the tachometer goes wild, swinging wildly and rapidly from 2000-4000 RPMs even higher. I do not hear the engine revving or changing the RPM, but once in a while, it sounds like it may...
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