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Old 09-22-2006 | 10:12 PM
  #180  
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mxwrench
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Originally Posted by TomB
well guess what if/when they release the new liner with the less extreme ports it will probably be a NIB part...so there's gonna be problems down in "hawaii" i'm guessing
The only part of the CRF engine that has 'Extreme port timing is the crankshaft at around 250deg.

The Cyl port timing is actually quite tame at around 165 ex and 110 transfer. This is much milder than most current top level engines on the market many around 175 ex and 125 transfer.

But also keep in mind that most of these 'other' engines have crank timing of around 210 deg.

BK
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