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TTR 250 exhaust insert in a WR400?

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SF i have been running that set up for a year now and it works geart,just change the pilot jet one size up.

monty

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that's funny, we looked at our baffles 2000 wr and our friends baffle 1999 ttr250, and they looked identical, is there a difference?

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DRZ400E: Where's the power on this thing?

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Remove the baffle and you see the diffrence also the out let is larger on the ttr250 and when you install it in the wr it will make a little more top end.Sounds good to.

monty

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Just FYI, I talked to a couple factory Yamaha guys out here in Arizona last weekend @ a local enduro race who said they installed a TTR250 insert on the one guy's WR250 (yep, that right!). Said it helped a bit w/performance & passed tech inspection. Why not try it on the 400? BTW, the WR250 was VERY cool &, they said, is the same bike that was recently featured on a Speedvision test ride the week before. Couldn't believe my eyes when i saw the WR250 & then figured they MUST be real yammie boys!

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