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Old 09-28-2014, 08:50 AM   #1
justdualing OP
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r sprocket on 650l

Bought a sunstar 650r front sprocket and it will not slide on far enough to locate the lock tab.

any info is appreciated
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Old 09-28-2014, 09:19 AM   #2
alvincullumyork
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Quote:
Originally Posted by justdualing View Post
Bought a sunstar 650r front sprocket and it will not slide on far enough to locate the lock tab.

any info is appreciated
Take a socket that is bigger than the counter shaft and give it a couple of taps.

Some people have found that they need to lightly chamfer the inside to get it to seat.

I've installed three and two took a tap or two with the socket and one just slipped on.
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Old 09-28-2014, 09:32 AM   #3
Walterxr650l
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Quote:
Originally Posted by justdualing View Post
Bought a sunstar 650r front sprocket and it will not slide on far enough to locate the lock tab.

any info is appreciated
If you look at the splines on the counter shaft. Where the spline groves end, You will see that they ramp up to the full shaft diameter at an angle. Now look at the backside of your sprocket. (The side that you will put against the case.) You will see that the corresponding splines on the sprocket, are chamfered to match this angle. You need to grind these chamfers enough to let the sprocket slide on past the lock tab grove. Most people use a dremel to do this.

Also when putting the R sprocket on the L, you need to install it backwards. This helps with chain alinement.

Walter
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Old 09-28-2014, 09:57 AM   #4
LexLeroy
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Some brands need more metal removed than others, like this PD sprocket. Keep chamfering until the sprocket goes on without undue force.

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Old 09-29-2014, 12:16 AM   #5
justdualing OP
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Ok will try thanks was thinking that but wanted to make sure
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