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  1. Honda Dirtbikes
    Hi so I'm rebuilding my 87 cr125 engine and I don't have the spring or a arm peace for the powervalve. I know dg and fmf make a pipe for the bike but do they bypass the atac system like the old ones? Or are they the same pipe? If those aren't around anymore does anybody have those two parts? I'm...
  2. Honda Dirtbikes
    I am doing a top end on my 2007 CR125R and i got a wiseco piston kit for it. I was wondering if hard or soft break in was better or worse for the engine? Some people I have talked to say that hard is better but im not sure it sounds good for my engine.
  3. Honda Dirtbikes
    I have a 1989 cr125 and it has a brand new power valve set up in it. When i put the power valve in the cylinder head in the closed position (round side facing down) it hit the stopper bolt on the inside of the head and wont allow the power valve to rotate open. I took the linkage arm off of the...
  4. Introductions
    i have a cr 125 1994 , im from wiltshire, enlgand. im having a bit of a prob wiv my bike. im not getting top end from it, i think it maybe the exhaust,the end can has a little leak and where the fatty pipe goes into the engine, it is leaking there also. is it that the bike is loosing compression...
1-4 of 4 Results