1988 RM125 Compression

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Nov 24, 2018
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#1
I have a 1988 rm125 trying to figure out how much compression I should get I just rebuild top end still having issues trying to get it to start got Spark please help
 
Likes: The Redrider
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#3
That a good range for compression.
 
Joined
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#4
I have a 1988 rm125 trying to figure out how much compression I should get I just rebuild top end still having issues trying to get it to start got Spark please help
Olde 125? Get your credit card ready! Top end is a good start. You would be wise to do a ignition rotor wiggle, up and down to see if those bottom end bearings are toast. Beautiful bike, slap up some images...