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granttaz

wr 400 decompression

4 posts in this topic

does anyone know if the wr 450 cam will fit the wr 400.or any way of making the 400 auto decompression 1999 model:

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go in to the yamaha fourm in the yz400/426/450 section in the "common threads" at the top there is a ton of info on that. Yes it can be done.

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And yes it is sweet!

I did it last week and I LOVE not having to fiddle with the stinking thing. It wasn't difficult to use the decompression lever but the first time I stalled out on a hill and tried to get re-started without taking a digger convinced me that I needed to do the mod.

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