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NZ Boy

YZF450 missing under load

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Got a 04 450f that misses under load but only in top gear. It fells like the clutch slipping and hitting limiter, but i dont think it is. And its starting to get worse, running rough. Does anyone know what this could be? :thumbsup: Thanks

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I'm pretty sure I know what it is. And I hate to say it, but your fourth gear is done. That was happening to mine and I put a clutch in and jetted it and nothing helped. It will get worse till you break down and get it fixed.

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Thats what it sounds like!. It goes mint as in 1st 2nd and 3rd. As soon as you get to 4th its starts doing it.

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I used to have a Tohatsu rumpet sport 50 that did this....It really mad me mad

when the other guys on their moto Betas would pass me on the hills.....

Really .........BC

PS don't forget I'm old.....

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