changing rear sprocket?
what must be done to make the rear sprocket a little smaller for increased top speed and better cruising?do you have to take the back brake and wheel off and realign everything?
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Pretty simple. Remove wheel.
Sprocket comes off with a circlip. Needle nose pliers may work but snap ring pliers make the job easier. Transfer the locating dowels from the old to the new sprocket and reinstall. The only 'issue' is you may need to shorten the chain. This involves a chain breaking tool (cheap at HF, but I don't know if it works on 428 chain), or a grinder and a punch and hammer. I do the latter. |
yeah ive shortened a chain before but i wont have to do any alignment?
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No worries.
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Spud :) |
Or unless the snap ring flys off the pliers into God knows where in the garage....
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Or the snap ring slowly wears out the groove in the hub and breaks the groove in the hub off, dropping your sprocket onto the axle bolt. 8O :x
I solved this by tapping the holes in the bushing inserts in the hub and epoxying studs into them. I then slid the sprocket over my new studs and attached lock washers and nuts. Then, I cut the studs to the appropriate length. I figure that many, many bikes don't have that floating design, so what the hell... I have at least 500 miles on it since then with no sign of any increased wear (although it is time for a new rear sprocket due to general wear) |
I think if a 60+ HP KTM can get by without a cush drive a 15 HP or so 200cc trailbike won't hammer anything too bad. :wink:
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Spud :) |
How can I tell what size my chain is?
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Almost every CB I've seen is a 428
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http://www.gizmology.net/sprockets.htm I would be very surprised if your chain is not size 428. ;) Spud :) |
THanks. Now I know which chain to order at my parts dealer for
my "project bike" 8) when I need one. |
You're welcome. :)
Spud :) |
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