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Discussion Starter · #1 ·
on a 02 zrcc 600 efi i replaced one side,, when i checked compression one side was 114 ( old side ) and new side is 130 with a new piston and sleeve. the sled has aprox 3k mi and the crank case seems solid..

is 15 lbs acceptable or do i need to do both sides ?

any help is appreciated thanks...
 

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you should probably do both sides, to be safe, it shouldnt be more then 10psi difference
 

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Discussion Starter · #3 ·
thanks, i thought so,, only makes sense...
 
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