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tommyj92028

What's The washer For?

4 posts in this topic

I noticed someone said they couldn't find the washer they needed to do the power up. I am not aware of this. When I did the uncork/powerup on my 06 650R, I put in the different needle (from Honda ). Is this washer used if you retain the stock needle jet? Thanks, Tommy

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Is that a CA thing? Even the needle I took out was adjustable with 5 positions. The upgrade had a different taper to it. It's thinner at the business end (increased flow). Tommy

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It's for the 650L. As far as I can tell any road legal bike is forced to have a non adjustable needle. The washer is used to jack it up a little and give a little richer jetting in the midrange. I'm pretty sure that a "normal" needle can be used, but the washer is a cheap alternative.

The washer trick can be useful on a bike with an adjustable needle. It allows for a finer 1/2 step or so adjustment.

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