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jetting help carb
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  1. Engine and Transmission
    About to buy a pwk carb, the seller states it is a 39mm pwk but cant find much info on it. Ive never seen the little black switch/ vent with black cap on the side so i am suspicious of how genuine it is. Can anybody help me out? Any help is much appreciated!
  2. Engine and Transmission
    I have a 1987 trx250r thats ported by SCT its 68.5 mm bore with the 86 piston ct mid pipe force v reeds cool head 22cc dome oversize radiator and inline cooler a trx head gasket spacer plate 38mm air striker carb ESR airbox eliminator kit stock crank. Its been checked for vaccum leaks and all...
  3. Intake and Fuel
    Hello, I recently bought a 89 250R, it has a new wiseco .050 over piston, paul turner "race pipe" didn't have a trx number on it. boyesen carbon fiber reeds/cage, 32:1 fuel mixture 93 octane with honda two stroke oil in stock 34mm pj carb... when i first got it a few weeks ago it was breaking...
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