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moer56

09 450 shift fork

8 posts in this topic

Hi,

My friend just broke his second gear on his 09 450. The problem is that the shift fork he need is B/O (in Canada) to july 15. I know that the part number is not the same for an 08 but I want to know if the part can fit. Sometime they change the part number only because they change supplier or something like but the previous part still fit. He have a lot of race coming up and we can't wait to july 15. Since the 08 and 09 models a very similar maybe we have a chance.

Any other suggestion to resolve this will be appreciated.

Thank you

Francis

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The shift drum and the gears are the same parts number (08-09). So if the drum and the gears are exactly the same both forks (08-09) should fit.

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This is from a Dirt Rider web test article on the 09 YZ450.

What did really stand out as an improvement was the shifting. If you are used to the older bike, you typically make deliberate shifts and don't notice the missed shifts much. Hop off another bike and act delicate with the shift lever , and you'll miss, often second to third, until you teach yourself not to pussyfoot the shifter. The 2009 bike seems to have fixed this with the additional length shift fork pins. I never missed a shift on the new bike and I missed two on our 2008, just today.

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I don't know, it's the only one I know with this problem and he is pretty hard on his bikes.

So if they changed the forks for better shifting and all the other parts (gears shift drum, crankcase) are the same, we can put the newer forks on an older bikes to have better shifting. He order the parts this morning, we will know soon.

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I don't know, it's the only one I know with this problem and he is pretty hard on his bikes.

So if they changed the forks for better shifting and all the other parts (gears shift drum, crankcase) are the same, we can put the newer forks on an older bikes to have better shifting. He order the parts this morning, we will know soon.

So did we find out if the shift forks are interchangible?

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I think they are but since his dealer receive the 09 fork the day he came to order the 08 fork he didn't try the 08 part.

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