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Do I need to rebuild

  • Thread starter Thread starter muskrat
  • Start date Start date
M

muskrat

Guest
I bought a 81 GS750L di an comp. test 1,3,4 read 125 p.s.i. #2 reads 75 p.s.i , I am just wondering. The bike was sitting for about an year with out running. It dose run just very lean (no mufflers or air cleaners).

Could anyone help?
 
My guess is that the rings in that cyclinder may be stuck. Running without the header will burn your exhaust valves.
 
A tight valve is the first thing I would look for, if I find low compression, there are 4 on your # 4 cyl.
 
When I bouhgt the bike the guy i got it from had the ext. cut off already.Just test run for about 1min. I bought new ext. for it.

thanks for the reply!
 
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