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atc 90 rebuild

  1. h.r.c.honda
    h.r.c.honda
    Hello, I plan to be buying a 53.50mm big bore and a cam from dr.atv for my 90, doing a valve job and porting the head. What carb should i use? I was thinking a crf 100 carb would work well with a 2into1 petcock. Also another question would be for exhaust, will a crf 70 exhaust work? I can bend if need be but is it close to fitting? I dont care for the dg exhaust and would like a cobra but cannot find one.
  2. coolpool
    coolpool
    Congrats on your build! It would be best if you posted these same questions in the regular forum. It seems this group doesn't get a lot of traffic; or maybe it's my perception? There are some top notch performance minded folks out there; hopefully they will chime in.
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