The wr450's are. mines a 1998 400 and a carb the size of a house lol. its got a crd front pipe with a dep end can and she pops without the kill swtich lol
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i blew my dt up ... but i fixed it.... Then i crashed it.... but i didnt fix it right and 2 scouser's come in the middle of the night and left me with a working bike