Yokomo ZB-503I20 Racing 20T Idler Gear for YZ-834B [ZB-503I20]

Yokomo ZB-503I20 Idler Gear 20T for YZ-834B

Price:

AUD$7.44

Brand:

Yokomo

Model:

ZB-503I20

GTIN:

639342227150

Condition:

Brand New

Quantity:

Quantity Discount
Unit	Price	You Save
2	$9.83 each	$-4.78 or -32%
3+	$8.50 each	$-3.16 or -14%

Available in shop

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Description
FAQ

Upgrade YZ-834B Rear Drive with the Yokomo ZB-503I20

The Yokomo ZB-503I20 is a 20-tooth idler gear intended for the YZ-834B Dog Fighter rear drivetrain. It supports steady power transfer by preserving correct gear engagement and reducing drivetrain slop. Built for repeated setup adjustments, it suits drivers who regularly check gear mesh and drivetrain behaviour.

What role does this idler play in handling?

By keeping the gear mesh consistent, the idler helps the drivetrain react predictably under load, which can make throttle response smoother on acceleration and deceleration.

Can I use aftermarket bearings with this gear?

If the chassis location accepts different bearings, upgrades can reduce friction; verify fitment and clearances before swapping components.

Does the ZB-503I20 need a break-in period?

A short period of light running and checking mesh is sensible after installation to confirm smooth operation and to spot any early wear or alignment issues.