Chris, I will take your advice about not putting on the new o-ring, but I'm curious, what is the disadvantage of using the o-ring on this older style drive shaft?
Chris you are a Kung-Fu Genius!
I wondered if it might be spring loaded, but mine was solid as a rock.
I took your advice, put a wood block on it and tapped it a few times with a hammer, after about 5 taps I saw it move a little. I applied a little Kroil penetrating oil, then holding the wood...
I have worked on multiple mercruiser 2.5 and 3.0 lower units from 1968 to 1979 and this is the first time I have encountered this issue......
History:
The oil in the lower unit was milky, and I had replaced the lower seals a few years ago so I figured it was the upper gear housing assembly...
For the past 10 years I have been trying to solve a problem on a 1972 glastron with a terrible knocking sound.
At first we thought it was the engine, so we pulled it for a rebuild, but the engine was fine.
The engine sounds great on a engine stand.
I have swapped lower units, no change.
Years...
SOLVED: Needed Digital Volt Adapter to test the stator.
Switchbox was bad. See last post.
-andy
1989 Mariner 25 hp electric start, remote NO SPARK
Black stator
Mechanical ignition advance
SN: 0c1 51245
Problem:
Prior year, one of the plugs would easily fowl, would have to clean it to...
I just want to relate an problem/solution with a 1979 Glastron CVX SS with 140 mercruiser 3.0L engine.
Symptoms: Low power, bogging down, hard to start, running rough, low RPM at WOT.
Checked spark plugs, cleaned carb, checked timming, checked cap/rotor... No change.
Got a compression tester...
