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450r Head Trouble

kfx450r

By kfx450r
in Kawasaki ATV Forum

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kfx450r Enthusiast

kfx450r

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Well, in process of installing cam, all the clearances were in check timing was on on a new hotcam stage 2 and I started it up and the engine is much louder and i hear a littl rattling noise now and it dies after idling for like 3 minutes. Could this be a bent valve? I really dont wanna take off the head right now.

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jigolbeep Collaborator

jigolbeep

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Posted
Well, in process of installing cam, all the clearances were in check timing was on on a new hotcam stage 2 and I started it up and the engine is much louder and i hear a littl rattling noise now and it dies after idling for like 3 minutes. Could this be a bent valve? I really dont wanna take off the head right now.

i would say your valve clearances are set wrong... are you sure you are checking your clearances correctly? 450r honda?

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Ajmboy Grand Master

Ajmboy

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Posted
Well, in process of installing cam, all the clearances were in check timing was on on a new hotcam stage 2 and I started it up and the engine is much louder and i hear a littl rattling noise now and it dies after idling for like 3 minutes. Could this be a bent valve? I really dont wanna take off the head right now.

Sounds like your valves are rattling around. Check those clearances.

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kfx450r Enthusiast

kfx450r

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thanks for the responses, yeah i checked them right and they were in spec the first time i checked them and i just checked them again today though and 2 are off by .001 away from the .001 tolerence, which im saying is .002 tighter than spec so Im going to reshim, my cam sprocket bolts were loose and 1 was hanging half way out even tho i loctited them.

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