Thread: Losi XXX-S
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Old 09-12-2004, 09:21 PM
Still Bill
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Default Re: XXX-S Belt Tensioner binding

Originally posted by rinkrat99
Hi all,

I am in the middle of building my first Losi kit and I find that when installing the Belt Tensioner it binds with the Spur Gear. The spur gear was very snug going into the chassis. The Spur is screwed into the chassis per the manual but the tensioner just seems to be a hair wide. Is it the tensioner wheel or the bracket causing the problem?

I am assuming that you are not installing the optional HD black belt kit and its longer tensioner arm.

Yes, the spur with the arm and tensioner are VERY tight upon being inserted into the chassis

Check for the below...which I have seen done a couple times on XXX-S cars.

The tensioner's white pulley wheel has different sized flanges on each side. It must be attached to the arm with the larger flange towards the arm. Otherwise, the taller flange will rub on the spur gear.

Take a look.

As EddieO says above...Get the HD black belt kit to significantly free up the drive train over what comes in the kit.
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