WR400 TO YZ

I have a wr400 and only use it off road for weekend trail rides with large cross section of riding conditions.

I am looking at changing the wr tank and seet for the yz units, is there anything else that needs to be changed for this mod or will they go straight on?

Your help is greatly appreciated. :)

Thats all dude. Just the seat/tank. :)

YAHOO :)

But it still won't be as light or as monsterous on the low end as the YZ is in the woods, and you'll loose your range, The best mod dor the WR400 that I have found in the last three years is the IMS tank/YZ seat combo.....You can also boost the WR's power delivery by changing the timing to YZ timing.

Bonzai :)

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