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Author Topic: Final drive shaft  (Read 2576 times)

Offline Lkp

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Final drive shaft
« on: March 17, 2021, 06:54:05 PM »
Hi everyone..

I've got a f2 cases and an f1 final drive will this be ok to use?
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Online K2-K6

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Re: Final drive shaft
« Reply #1 on: March 17, 2021, 08:17:22 PM »
The F2 (and paired K7) both use a larger final drive bearing to, I think, all the other 750s. This because they use 630 chain size.

I don't think the F1 bearing will fit, can you try and compare the output shaft mounting to give more certainty?
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Offline neilg

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Re: Final drive shaft
« Reply #2 on: March 21, 2021, 06:19:52 PM »
Because of the bigger bearing the engine sprocket is further away from the engine case by about 5mm, so chain alignment needs checking.
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Offline hairygit

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Re: Final drive shaft
« Reply #3 on: March 21, 2021, 09:43:43 PM »
The 750F0, F1, F2 and K 7 all use the same bearings on the final drive shaft, but the shafts are different part numbers for the F2 and K7.

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Offline Bryanj

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Re: Final drive shaft
« Reply #4 on: March 21, 2021, 10:34:33 PM »
F1 andF2 have totally different sprocket retention method
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Offline robvangulik

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Re: Final drive shaft
« Reply #5 on: March 21, 2021, 11:18:13 PM »
+1, F1 has the same method as the earlier K types with 2 m6 bolts in the sprocket, the F2 has the central retaining bolt.
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