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  1. #1
    Jerry the Spinner
    Join Date
    Jan 2010
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    Queens , New York City
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    Montague with Currie 450W kit, IZIP Twist and Go
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    Chain Motor on Currie 450W Electric Kit

    My chain from the motor came off this morning. I was able to put it back on and resume my 9 mile commute. However, I have around 2,500 miles on the chain and was wondering what the life span of the chain is. Also, in replacing it, would I need to take the motor off in order to do that?
    Bicycle Commuter from New York City.

  2. #2
    Senior Member nwmtnbkr's Avatar
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    Jul 2009
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    Quote Originally Posted by JerryTheSpinner View Post
    My chain from the motor came off this morning. I was able to put it back on and resume my 9 mile commute. However, I have around 2,500 miles on the chain and was wondering what the life span of the chain is. Also, in replacing it, would I need to take the motor off in order to do that?

    Your chain is probably fine. You need to check the tension on the motor plate once and a while and may need to tighten it periodically (if it's loose enough, you may need to slide the plate away from the axle to tighten it--look at step 4 in the conversion kit installation instructions that I've attached, but envision the wheel still being on the bike--you shouldn't have to take the wheel off if you have a cone wrench the right size). Just be careful not to get the tension too tight since that could damage the motor.

    http://www.izipusa.com/img//pdf/6437...7a32e3ed05.pdf

    It isn't a big deal to remove the motor drive freewheel or chain. In fact, there's a mod described on ecoforumz.com to bump up the speed of the standard OEM ezip bikes or conversion kits by installing a smaller motor drive freewheel--moving from a 20 tooth to 16 tooth freewheel. Here's a link to the thread on that mod, including information on where you can purchase a left threaded, 11 tooth freewheel. http://www.ecoforumz.com/electric-bi...-oem-pack.html
    Last edited by nwmtnbkr; 01-14-10 at 02:08 PM.

  3. #3
    Jerry the Spinner
    Join Date
    Jan 2010
    Location
    Queens , New York City
    My Bikes
    Montague with Currie 450W kit, IZIP Twist and Go
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    Quote Originally Posted by nwmtnbkr View Post
    Your chain is probably fine. You need to check the tension on the motor plate once and a while and may need to tighten it periodically (if it's loose enough, you may need to slide the plate away from the axle to tighten it--look at step 4 in the conversion kit installation instructions that I've attached, but envision the wheel still being on the bike--you shouldn't have to take the wheel off if you have a cone wrench the right size). Just be careful not to get the tension too tight since that could damage the motor.

    http://www.izipusa.com/img//pdf/6437...7a32e3ed05.pdf

    It isn't a big deal to remove the motor drive freewheel or chain. In fact, there's a mod described on ecoforumz.com to bump up the speed of the standard OEM ezip bikes or conversion kits by installing a smaller motor drive freewheel--moving from a 20 tooth to 16 tooth freewheel. Here's a link to the thread on that mod, including information on where you can purchase a left threaded, 11 tooth freewheel. http://www.ecoforumz.com/electric-bi...-oem-pack.html

    Thak you so much nwmtnbkr for all your help.

    Jerry
    Bicycle Commuter from New York City.

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