Yokomo Y4-631 Main Shaft Compatible with DP-YD4 and DP-YD4MR  [Y4-631]

Yokomo Y4-631 Main Gear Shaft for DP-YD4
Price:
NZD$6.86
Brand:
Yokomo
Model:
Y4-631
GTIN:
3888
Please kindly input your name and email address, we will inform you once we have the restocking.
Or you may find similar product under the
Spares / Hop-ups - Yokomo - YD-4 category
Write a review

Overview of the YD-4 main gear shaft

This component is the standard main gear shaft from the YD-4 parts suite and is provided as a replacement for shafts that have become worn or damaged. Use it in DP-YD4 and DP-YD4MR chassis to renew the drivetrain support point.

Functionally the shaft positions the spur gear and works together with the existing gear stack and bearings. During replacement, check the spur gear mesh and bearing fit to help maintain correct alignment and reduce drivetrain movement.

Installation involves removing the old shaft and fitting the new unit into the gearbox mounting points. Inspect adjacent components at the same time and perform a cautious test run to confirm smooth operation before normal use.

Compatible chassis list

  • DP-YD4
  • DP-YD4MR
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.

How long will the replacement shaft typically last under normal running?

Service life varies with driving style and maintenance, but regularly checking mesh and bearings will extend life. Replace the shaft if you observe wear that affects gear alignment.

What signs indicate the shaft needs replacing?

Look for excessive play in the spur gear, visible wear marks on the shaft, or grinding noises from the gearbox. Any of these warrant shaft replacement and inspection of bearings.

Is material finish important for longevity?

A precise finish and correct tolerance help reduce wear; ensure mating parts are in good condition to avoid accelerated deterioration of the shaft.

Copyright © 2008-2026 rcjaz.co.nz All rights reserved