YZ-4 Center/Rear Pulley Flange 18T Compatible with YZ-4 - Yokomo Z4-630CR  [Z4-630CR]

Yokomo Z4-630CR 18T Center/Rear Pulley/Flange for YZ-4
Price:
£3.18
Brand:
Yokomo
Model:
Z4-630CR
GTIN:
3888
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YZ-4 18T Pulley Details

This is a standard drive pulley intended for the 4WD YZ-4 off-road chassis. It operates as the pulley flange fitted in the centre and rear parts of the drivetrain, maintaining alignment for the belt or gear interface and replacing units that have reached wear limits during servicing.

The pulley employs an 18T tooth profile and the same item can be used in both centre and rear positions; the distinguishing element is flange thickness, with a slimmer flange for centre locations and a thicker flange for rear locations. Use the slimmer flange where clearance is restricted, and the thicker flange where improved lateral support is required.

Installation tips: confirm the flange orientation via thickness prior to assembly, ensure correct seating onto the shaft or hub, and inspect runout after fitting. For setup adjustments, changing flange thickness is an effective way to address small lateral belt alignment or mesh issues without altering wider drivetrain geometry.

Supported Chassis B-YZ4.
Remark :
Due to limited stock availability, please notice that some Yokomo items may have to order from the factory and the ready time is around 4-6 weeks. Customer purchases the item is assumed to accept the waiting time which allows us to order directly from the manufacturer if the item is out of our warehouse.

Is the 18T pulley's tooth count suitable for YZ-4 drivetrains?

Yes, the 18T configuration matches the YZ-4 drive requirements and is intended for both centre and rear applications when the correct flange thickness is selected.

What is the best practice for preventing lateral wear?

Ensure the pulley is correctly oriented and fully seated, then check runout and belt mesh. Proper seating and alignment are the most effective measures against uneven lateral wear.

Can I use flange swaps to fine tune alignment?

Yes, swapping between thinner and thicker flanges is a common tuning step to correct small lateral alignment issues without needing to alter other drivetrain parts.

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