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Re: 1987 Force 125 - Knocking Sound/90PSI
Still working on removing the exhaust cover.
Two of the pistons have wear on the skirt, here is a pic of #4:
The other one is similar, just not quite as bad. Replace them?
How badly do the cylinders need to be scratched before they need to be bored...
Re: 1987 Force 125 - Knocking Sound/90PSI
I finished disassembling the crankshaft and pistons.
The two Main Bearing Races between Cylinders 1&2 and 2&3 had some play in them. The third was tight.
There are no thrust bearing on my motor, the Main Bearing Races ride directly on the block and...
Re: 1987 Force 125 - Knocking Sound/90PSI
First off, thanks for the replies guys - I appreciate it.
To answer your question in regards to the flywheel - I knew that the motor would need to be disassembled to find/fix the problem, so we went ahead and did that.
Found this on all 4 cylinders...
I have a knocking sound coming from the motor and the compression on Cylinder 1 is 90psi(others are 135psi).
History(Sorry it's long, I tried to be as thorough as possible):
Before we went out yesterday I ran it on the hose - I noticed what I thought might have been a QUIET ticking noise. Not...
