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Discussion Starter · #1 ·
I am not techy so forgive the ignorance.

I have one that has low compression 85 PSI. (TRX400) I have talked to some people and repair guys and found that I really need to rebuild the thing. There are a few things I guess I could try before being that drastic but my question is this: What effect will low compression really have both short and long term. It seems to run ok. When I am tackling hill climbs during a race is the bottom end just gonna go and leave me on the side of that hill or what? Just dont want to throw good money after bad.
 

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It really depends on how bad your rings are. If they are wore really bad it is possible for one to break and cause a lot of trouble. It is always cheaper to repair it before it gets worse. but you could ride it like that for a while and (maybe) be ok. But I would not risk it.
 

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Agree^^^ and it's really not difficult to tear the top off and do it either you probably can get a topend kit for under 300 bucks and if you do rebuild you can get larger piston kits for the same price.
 

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I agree with Sub and Moose. I would just go ahead and rebuild the top end and forget about it.
 

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Agreed with all the above, will be less costly now than when it does tear up
 
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