2000 WR400 mods

Hey all i got a 2000 model WR400 and was wondering what some of the best mods i can do to it are ? :)

YZ time it!! There are some other mods if your bike is from the states but I bet not being where your from. Do a search on YZ timing, there are some great instructions. Pull the air box lid and uncork your exhust.

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