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| Motorized Bicycle General Discussion Topics on bicycle engine kits, help articles, repair and modifications for your motorized bicycles |
chain
Discussion at Motorized Bicycle Engine Kit Forum in the Motorized Bicycle General Discussion forum. So i recently put a motor on my cruiser bike.. But i guess i didnt tighten the chain enough with ...  | | 
12-12-2008, 05:39 PM
| | Motorized Bicycle Senior Member | | Join Date: Nov 2008 Location: Langley b.c canada
Posts: 55
| |  chain
So i recently put a motor on my cruiser bike.. But i guess i didnt tighten the chain enough with the tensioner so the chain came off while i was riding and got all binded up in my coaster brake and bent the chain all to ****. Ive been looking everywhere in town to find some but no one carries it. I took the chain off my moped because it was also 415 or whatever it said on the box of the kit chain. But it is different, its wider the links arent as long and it just doesnt work. I can go all the way back to where i bought it but i dont have time today and theyre closed on the weekends. Is there any other name for this stuff? Is it an industrial chain or something? Where can i get this stuff
Last edited by Qdot : 12-12-2008 at 05:43 PM.
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12-12-2008, 06:06 PM
|  | Motorized Bicycle Elite Member | | Join Date: Jun 2008 Location: memphis tn
Posts: 472
| | Re: chain
find a #41 chain and you'll be set, you can usually find those at Harbor Freight or a store like it. they have 10foot lengths for 10-15$
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12-12-2008, 06:08 PM
|  | Godfather of Motorized Bicycles | | Join Date: Jan 2008 Location: Ashtabula county, Ohio
Posts: 7,081
| | Re: chain
Don't over tighten the chain either- 3/4 to 1" of free play.
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12-12-2008, 06:46 PM
|  | Motorized Bicycle Elite Member | | Join Date: May 2008 Location: CT, U.S.
Posts: 2,615
| | Re: chain
the chain can jump if the rear sprocket has imperfections on the teeth. Lil nubs that can be filed off. Just a thought.
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12-12-2008, 08:17 PM
| | Motorized Bicycle Senior Member | | Join Date: Nov 2008 Location: Langley b.c canada
Posts: 55
| | Re: chain
Im located in canada so i dont know if we have a harbor freight over here |
12-12-2008, 08:29 PM
|  | Motorized Bicycle Elite Member | | Join Date: Mar 2008 Location: Bellingham, WA
Posts: 535
| | Re: chain
If you have one of the thinner engine sprockets a BMX 1/8 inch chain will work. You can get those at the bike shop. Will probably need 2 to make it long enough. |
12-12-2008, 08:31 PM
| | Motorized Bicycle Senior Member | | Join Date: Nov 2008 Location: Langley b.c canada
Posts: 55
| | Re: chain
Thats my problem, my engine sprocket isnt one of the thin ones. I dont think anyways...
I have 415 chain that i bought from the bike store for my moped but it is a bit wider and what not and the links arent long enough so it binds up |
12-12-2008, 08:35 PM
| | Motorized Bicycle Member | | Join Date: Jul 2008
Posts: 41
| | Re: chain
No harbor freight ? Try a lawnmower shop, go cart or scooter dealer. |
12-12-2008, 09:10 PM
|  | Motorized Bicycle Elite Member | | Join Date: Jun 2008 Location: Longmont, CO
Posts: 1,597
| | Re: chain
tractor supply type of store as well. #41 or 415. |
12-12-2008, 11:07 PM
|  | Motorized Bicycle Elite Member | | Join Date: Mar 2008 Location: Treasure Coast, Florida
Posts: 747
| | Re: chain
Quote:
Originally Posted by Qdot Thats my problem, my engine sprocket isnt one of the thin ones. I dont think anyways...
I have 415 chain that i bought from the bike store for my moped but it is a bit wider and what not and the links arent long enough so it binds up | Then #41 is the ticket, it is the same pitch, just wider.......
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