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Discussion Starter · #3 ·
Originally posted by TrX450rKiD@May 2 2004, 06:35 PM
JE Racing also has a 12.1:1 if your interested...

http://www.sparksracing.com/center/trx450r/TRX450_engine.htm
Cool! That's more what I was looking for.

Sparks Racing piston kit standard bore 13.8:1 by JE Piston BPKH04450TRX94H $209.95
Sparks Racing piston kit standard bore 12:1 by JE Piston BPKH04450TRX94L $199.95
Honda replacement head gasket 12251-HP1-671 20.58
Honda replacement base gasket 12191-HP1-671 $7.73
Sparks Racing Aggressive "drop-in" camshaft CAMH04450TRXA $215.95
 

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Discussion Starter · #8 ·
Originally posted by fast@May 3 2004, 10:04 AM
450r's bore is 94mm and the compression is 10.5:1

400's bore is 85mm and the compression is 9.3:1 and is air-cooled

they are not even close
Man, I am smoking my socks this morning. Guess I need more coffee...

I meant CRF450 piston.

Maybe I should just delete this post and start over.
 
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