EZ-RIDER - Chain & Sprockets Removal

A Panoply of Challenges

After I decided to remove the sprocket from the rear wheel, it was only natural that I would want to remove the front sprocket and the chain.  Here's some of the things that I found out along the way:

Chain

The VT250CR chain is pretty high-tech.  It's a size that's designed for a nice balance between weight and power, and it features some advanced technology to make it long-lasting.  The VT250CR has a 520 type chain, which means:

- There is a 5/8 of an inch gap between the side plates, to accomodate at fairly thick front and rear sprocket

- The teeth of the sprockets are 1/4 of an inch wide, so the gaps between the rivets on the chain are also 1/4 of an inch from pin-to-pin

- The VT250CR chain features o-rings between the side plates and the rollers, which helps to reduce wear and increase the life of the chain

Small Sprocket

The small sprocket is also fairly high-tech, and it connects directly to the engine of the VT250CR and it has the following characteristics: 

- It is stamped 14T, which means it has fourteen teeth
- It is rubber sided, to reduce rattle & vibration
- It uses a very large diameter washer
- It features  14mm bolt @ 40lbs

Large Sprocket

The large sprocket is a piece of stamped metal with the following characteristics:

- It has a 80mm center hole
- It is stamped 38T, which means it has thirty-eight teeth
- It is secured by 5 Bolts spaced at 64mm

This means that the VT250cR has 14:38 (7:19) gearing.

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Bill of Materials

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TEKTON 24335 1/2" Drive Click Torque Wrench (10-150'.-Lb./13.6-203.5 Nm)

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WD-40 Multi-Use Product Non-Aerosol Trigger Pro Spray. 20 oz. [1-Pack]
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Felo 0715750274 1/2" Series 800 Slotted Screwdriver, 8"
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