Radiator Cap

I'm trying to locate a 1.6 radiator cap for my 05. I had put one on my old KX250 but I can't remember where I found it. I've checked several local auto parts stores and the Yamaha shop, no one has any thing like it.

I remember some folks here stating they were using them, where did you find them?



its a kx 500 cap :) i ran one no problems until i discovered evans NPG-R stuff has a 400 deg boil point @7 psi :)

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