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81 GS650E Sprocket sizes

  • Thread starter Thread starter Guest
  • Start date Start date
i believe the GS650GT or GM uses camshafts that deliver 10HP more than the regular GS650. That would allow you some leeway.
But i am definately not well versed on the GS650, if that should interest you other members will probably chime in.
 
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Awesome, I wasn’t aware of that! Might try and suss it out down the track. It seems to go fairly well as it is so not really necessary but i’ll certainly look into it. Thanks
 
Just to add to this old thread.........15 front and 44 rear is near to 3 to 1 ratio.........going up 1 tooth on the front would equate to going down 3 teeth on the rear.

New to these bikes and looking at what is factory and the effects of the changes.

On my XS650, (totally different bike) the torque is very low compared to the GS650E. The sprocket ratio is 2 to 1, (17 tooth front, 34 tooth rear), and to go up one on the front or 2 down on the rear makes for having to slip the clutch a little on start off. The best all round change is to go one down to a 33 tooth on the rear.

With the GS650E being a higher revving bike and higher torque band, i would think going down more than 2, (changing the front sprocket by 1 tooth), on the rear would be detrimental to the performance and wouldn't be any benefit.
 
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