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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
YZ 400 Verses 426; all educated opinions welcome
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[QUOTE="Thump, post: 171125, member: 1034"] Some think they make the bike less durable...:think In the case for the 400 going up to 417 it is not a huge jump in displacement and generally are very reliable. At DW01 Billywho blew up 2 420's so one might think that they are suspect but that is simply not so....BTW he also blew up a power washer, a z50, Patman's chair, the dogs water bowl, his tent, TTRGuys truck, the list goes on... Billy's bike busted the clutch basket (not the fault of the 420 kit) and he blew my already leaking head gasket (also not the fault of the 420 kit) Aside from the additional 17cc's you gain a tighter squish clearance which cures the low end bog associated with the 400's and allows quicker reving. The difference between the 400 and the 426 is noticable out of corners for sure, the difference between the 400 and the BB 420 kit is night and day. I am obviously a huge fan of the 400/420 kit, not taking anything away from a 426 but if I was buying used I would look for a 400 bone stock, get used to it and if you need more power go to the 420 kit by Eric and Rich. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
YZ 400 Verses 426; all educated opinions welcome
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