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Old 04-19-2012, 04:54 PM   #1
sanford
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Default can you stand another old newbie question on chains

I was looking at my bike chain, seems a bit loose.. will check my manual.
Will a loose fitting chain give jumpy gear changes, then again could be not knowing the bike yet. Only had a few days, but has only 1,500 klm?

I'm mechanically inclined so likely will adjust chain to setting, not sure maybe
1"1/2 will check.. guess a torque wrench and new cotter pins will be needed.

off to work now thanks

ps 2009 250cc star yam
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Old 04-19-2012, 05:00 PM   #2
rexmitchell
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Jumpy gears doesn't really sound like a chain issue to me. Check your chain per the manual and start there.
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Old 04-19-2012, 09:11 PM   #3
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Only way a chain causes any jumpiness in the drive is if the chain and sprockets are so severely worn that they snag the sprocket teeth.

Motocross bikes run a couple of inches of play in them due to the long travel suspension, yet they have no problem. So a somewhat loose chain is no big deal. In fact it's better to run a bit loose than a bit tight. Too tight can cause accelerated chain and sprocket wear or, worse yet, cause countershaft sprocket bearing damage.
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Old 04-19-2012, 09:44 PM   #4
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again thanks for help..sound advice
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