Kyosho UM523 Motor Offset Spacer Track Alignment Shim  [KY-UM523]

Kyosho UM523 - Motor Offset Spacer (RB5/RT5/SC)
Price:
CAD$14.93
Brand:
Kyosho
Model:
KY-UM523
Condition:
Brand New
Quantity Discount
Unit Price You Save
2 $12.65 each $4.56 or 15%
3+ $12.02 each $8.71 or 19%
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Fine tune motor placement with Kyosho UM523

The Kyosho UM523 Motor Offset Spacer is made for RB5, RT5 and SC chassis to deliver accurate motor alignment. Moving the motor slightly with this spacer helps correct weight transfer and refines cornering balance, making setup adjustments easier for club racing and practice runs.

Top benefits of the UM523 spacer

  • Compatibility: Built to suit RB5, RT5 and SC models without modification.
  • Functionality: Allows precise motor position changes to improve balance.
  • Material: Engineered for durability to withstand frequent track use.
  • Performance: Helps stabilise handling and reduces unpredictable weight shift.
Remark :
Due to limited stock availability, please notice that some Kyosho 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.

Will the UM523 fit other Kyosho kits besides RB5, RT5 and SC?

The spacer is designed specifically for RB5, RT5 and SC mounting points. Other kits may require checks for fitment and could need additional shims or adapters.

How difficult is installation for a typical racer?

Installation is straightforward with basic tools; you remove the motor mount screws, place the spacer, and retorque to the specified setting. It is a quick tune that most builders can do in a short pit stop.

Does changing motor offset affect gear mesh or clearance?

Small offset adjustments can alter pinion to spur engagement slightly, so verify gear mesh after fitting the spacer and adjust pinion position if needed to avoid premature wear.

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