YZ-2DTM3.1 Hard Main Chassis Long-Wheelbase Upgrade - Z2-002D31 by Yokomo  [Z2-002D31]

Yokomo Z2-002D31 YZ-2DTM3.1 Hard main chassis (Dirt surface/Long ver)
Price:
CAD$100.55
Brand:
Yokomo
Model:
Z2-002D31
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Or you may find similar product under the
Spares / Hop-ups - Yokomo - ROR-010 category
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Long-Wheelbase YZ-2DTM3.1 Main Chassis Overview

The Yokomo Z2-002D31 is a hard main chassis made for the YZ-2DTM3.1 platform in a longer wheelbase layout to improve directional stability on dirt. This aftermarket replacement shifts chassis geometry and increases longitudinal stiffness compared to the standard main chassis.

On-track, the longer chassis changes weight bias and stiffness characteristics, which influences straight-line tracking and provides a different baseline for suspension and tyre tuning. It is intended for dirt use and for racers or builders seeking a stability-focused wheelbase option within the supported range.

Specifications

  • Item Hard main chassis
  • Material Hard construction
  • Model Number Z2-002D31
  • Compatibility B-YZ2DTM31, B-YZ2CAL3, B-YZ2DTM3, B-YZ2CAL31, ROR-010, ROR-010RTR, ROR-010RTR-1

Compatible Models

  • B-YZ2DTM31
  • B-YZ2CAL3
  • B-YZ2DTM3
  • B-YZ2CAL31
  • ROR-010
  • ROR-010RTR
  • ROR-010RTR-1

This part is a direct RC replacement that gives YZ-2DTM3.1 based cars a longer wheelbase option, ideal when testing setups that prioritise stability and when adjusting suspension and geometry offsets for dirt surfaces.
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.

Which models accept the Z2-002D31 chassis?

The chassis lists compatibility with B-YZ2DTM31, B-YZ2CAL3, B-YZ2DTM3, B-YZ2CAL31, ROR-010, ROR-010RTR, and ROR-010RTR-1 as the supported fits.

How does a longer wheelbase affect on-track stability?

A longer wheelbase tends to improve straight-line stability and reduce twitchiness on loose surfaces, but it can make tight direction changes feel less immediate; expect a different balance when setting up damping and roll control.

What tools and steps are needed to fit this main chassis?

Installation follows standard main chassis replacement procedures: basic hand tools, removal of chassis-mounted components, and careful refitting of hardware and mounts. Take care with wiring and shock positions when reassembling.

Should I retune suspension after installing the longer chassis?

Yes. Expect to revisit ride height, spring rates and anti-roll distribution because the altered wheelbase and increased chassis stiffness change weight transfer and overall handling on dirt.

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