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Robert_Brazil

Can YZ timing damage bike with stock pipe??

4 posts in this topic

My WR426F is YZ timed and has a White Bros pipe with 13 discs (yes I like it LOUD!)

The muffler however, needs maintenance (muffler insert worn out, suggestions welcome!) and during the repair time I intent to mount the stock European WR pipe (very silent).

Is there any problem apart from jetting etc, I mean potential damage, using the bike in YZ-timing with this pipe?

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Originally posted by Robert_Brazil:

Is there any problem apart from jetting etc, I mean potential damage, using the bike in YZ-timing with this pipe?

I’ve never seen the stock Euro WR pipe, but I’m going to answer this question anyway:

No.

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sorry but i'm not experience enough to give u tips...but it sound aright with me... anyway i looking for ways to change wr400 cam timing to yz timing so do u have any idea how to change it...or maybe webpage that teach u how...cus i wanna learn more about it...thanx

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