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03 Yz 450 ?

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whats up guys, wondering if someone can answer some questions I had about yammies. I know someone selling a 03 yz 450(don't know if it is) for parts. how do you tell between the 426 and the 450? it has a steel frame and alum. subframe. did it come with a 39mm fcr carb? heres the numbers- 5TA1 00QH21 the carb has a TPS, but no hot start. it runs but I have no info on the bike. will any of these parts fit on a 2000 WR 400? because I have a plate on that to ride the streets. don't have a digital camera or I would have taken pics. any help would be great. thanks, Dave

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I don't think there will too many parts that'll fit your WR. '03 is the first year of the 450.

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No hot start knob on the carb its a 450. 450 has the lever on the handlebar instead of the knob on the carb.

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also look at where the oil level check is at the front of the bike. if it's small (dime size) and a little off to the left of the steering head it's a 450. if it right in front of the tank its a 426 and a bit larger (quarter size).

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Well i dont know about your guys bikes, but mine says 450 stamped into the front of the engine behind the rads.

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looked at it again today. it is a 450. dipstick on the left side of frame. how about the carb? did they come with a 39mm stock? thanks for the help.

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