JT sprockets (Help)


8 replies to this topic
  • Pilate74

Posted February 26, 2006 - 08:41 AM

#1

I purchased a new 15 tooth front sprocket for the xr650r (JTF309.15). After installing the sprocket the chain slider does not line up anymore. Is seems to be that this sprocket makes the chain to close to the frame. Am I missing a part, like a spacer of something? Can the chain slider be adjusted? Thanks, Robert.

  • Pilate74

Posted February 26, 2006 - 09:14 AM

#2

I just put two aerospace grade shim washers on the sprocket to make it line up with the chain slider. Farkin dennis kirk says this sprocket will fit, but the JT website part no. is not the same.

  • needsprayer

Posted February 26, 2006 - 01:53 PM

#3

So the sprocket that was sold to you is not thick enough toward its center. That would cause the problem you are experiencing.

  • Desert Dog Z400S

Posted February 26, 2006 - 06:49 PM

#4

So the sprocket that was sold to you is not thick enough toward its center. That would cause the problem you are experiencing.

Yes, that is the problem. I am going to order another one monday.

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  • goblin127

Posted February 26, 2006 - 08:39 PM

#5

Have you tried swapping it around? some times that works.

  • snaggleXR650

Posted February 27, 2006 - 06:10 AM

#6

Hey,
The sprocket should go on with the boss facing outward and the flat face of the sprocket should be facing inward. Having it flipped around would indeed make the chain ride farther from the case and closer to the frame spar. I should know, I made the same mistake myself once when not paying attention.

If your sprocket doesn't have a raised boss and two tapped holes to accept the locking plate then it's not the right sprocket for your bike.

  • BajaBoundMoto

Posted February 27, 2006 - 10:07 AM

#7

I purchased a new 15 tooth front sprocket for the xr650r (JTF309.15).

Wrong P/N. You need a JT#1307.

  • 1Hondalover

Posted February 28, 2006 - 06:03 PM

#8

I personally would use a higher quality brand of sprocket. I have seen JT's and other low budget sprockets run out of round. Be sure to check yours.

  • frankstr

Posted March 01, 2006 - 06:23 AM

#9

Spend a few extra bucks and get Ironman sprockets...thet fit and will probly outlast those JT sprockets...and they look cool...... :thumbsup:





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