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CR 250 whisteling?!?!?!

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It just means it's having a good time.:)

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my dads 93 cr 250 whistles when its cold and its revved up.

idk what it is though

hears a vid

http://tinypic.com/player.php?v=2l5br&s=4

it sounds like its pretty identifiable...but i really dont know what it could be

My dont whiste when its cold, my whistle everytime, after 10 min, after 1 hr, 5hrs, all day ride. The whistle sometime change when i pull the clutch. Sorry on my bad english.

Any suggestion why whistle?

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hondas power valve system, all 3 of my cr250 do it theyer 96's,and both 250r quads that my buddie owns do it to the power valves in a honda spins the exhaust out just like a turbo on a car pulls air same principal

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i have ridden the same year bike since january and i cannot recall anything like that video?

don't know if that is bad or good, but mine has been rock solid running wise atleast as far as i know 👍

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Mine does the same thing. Has since the day I pulled it off the lot. Pretty sure that is from th RC Valve.

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