What chain for a 44 tooth sprocket ?

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S

Slogger

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Sep 8, 2014
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For more tire clearance there is the KMC 415 Industrial chain.
You'll have about 3/32" more clearance from this narrow roller chain. It isn't as tough as the 415h, but should be strong enough for our little engines.
Pirate Cycles carries them.
 
N

NINETOE

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Mar 12, 2015
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So I got the kit and now realize I need a jack shaft as the briggs Im using wont center and line up the chain , clutch and sprocket . Im having a hard time finding jack shaft sprockets that will work with a 415 chain ? Any ideas ?

Also do I need the same toothed sprocket on each side of the jack shaft ? Was thinking a ten tooth ? Any help appreciated..
 
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curtisfox

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Run #41 chain and you can get sprockets for it. Its the same pitch,it is heavier and will work on your sprockets..................Curt
 
2door

2door

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curtisfox said:
Run #41 chain and you can get sprockets for it. Its the same pitch,it is heavier and will work on your sprockets..................Curt
Click to expand...
Ditto: #41 will serve you well and fits most any sprocket. The Chinese equivalents won't deliver the same performance. Especially the kit supplied 415 chain.

Tom
 
leo

leo

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Jul 20, 2015
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there must be some fairly substantial differences in the housing of these motors. several of you have mentioned using tsc41 chain, but it drags the gearbox like crazy in mine.
 
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NINETOE

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Curtis , 2 door , so your saying that a 41 chain will work on my 415 clutch teeth and the kit hub sprocket teeth ?

And not being versed in gear ratio was wondering what size sprockets to put on jack shaft for top end speed ?
 
2door

2door

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leo said:
there must be some fairly substantial differences in the housing of these motors. several of you have mentioned using tsc41 chain, but it drags the gearbox like crazy in mine.
Click to expand...
Leo,
What do you mean by "gearbox"? Do you have a Chinese 2 stroke?

Tom
 
leo

leo

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yes, i do.
sorry, suppose gearbox wasn't the best word to use, i just meant the drive sprocket's housing assembly/cover. #41 chain drags inside it on mine.
 
2door

2door

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leo said:
yes, i do.
sorry, suppose gearbox wasn't the best word to use, i just meant the drive sprocket's housing assembly/cover. #41 chain drags inside it on mine.
Click to expand...
Maybe take a look at this old thread which addresses that problem.
http://motorbicycling.com/showthread.php?p=465011#post465011


You might also want to make sure your chain isn't too loose. 1/2" to 3/4" of slack is recommended. Too loose and you'll have chain interference issues inside the clutch actuator cover. If you're using a spring tensioner that will make the problem worse.

Tom
 
leo

leo

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Jul 20, 2015
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the cover didn't have any scratches, it was rubbing behind the drive sprocket.
i have it all back together again with the 44t and original chain.
runs fine, but the hills kick it's butt (and mine).
got a 56t and chain on the way from BGF. and the exhaust from china, due the 17th or so.
 
C

curtisfox

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Dec 29, 2008
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NINETOE said:
Curtis , 2 door , so your saying that a 41 chain will work on my 415 clutch teeth and the kit hub sprocket teeth ?

And not being versed in gear ratio was wondering what size sprockets to put on jack shaft for top end speed ?
Click to expand...
Yes it works fine on the kit sprockets,just a bit wider but no problem.

Not sure on the ratio,but thinking about 12 to 1...........Curt
 
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