Takegawa Twinspark 115 or Daytona 119?

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crf106

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117 Posts

#21 · May 18, 2006

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i broke a rocker on a superhead a few weeks back. the head had alot of port work, but it also snapped the retainer in half. and it definetly wasnt due to lack of maintanence. it become an expensive fix when the intake valve dropped and smashed the piston and barrel.

 

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ibmike13

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4,686 Posts

#22 · May 18, 2006

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yah that really sucks dratv has a cyclinder that will work i think.when i switch to my +R that shouldnt be an issue any more.

 

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ibmike13

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#23 · May 18, 2006

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hay is that a crf70? i have a crower cam in my 124 sh it has alot more mid then stock so you dont have to rev it near as high so its EZer on the valve train and faster on the track.

 

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crf106

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#24 · May 18, 2006

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yeh it is a 70. a bit more mid power would be nice. im struggling to keep intake valves for longer than 5 or so rides. i got all the valve train cryogenically treated and the valve seems to be coping better. the rest of it just failed this time

 

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ibmike13

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#25 · May 18, 2006

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thats cool you got a 70. that sucks about the engine. crower has or can make you some stainless steal valves for like $75. if you got a 124 crower grind #18 is what i run it works good.