Explore the catalog

VehiclesKyosho Ultima SB Dirt MasterShock service

Maintenance reference

Shock service

Kyosho Ultima SB Dirt Master · 34311C

34311C 34311C Dirt Master electric assembly kit

← Vehicle service reference

Start with the correct reference

Use the exact seal assembly and slow-shaft bleed-screw procedure. The manual recommends 450 to 500 silicone oil, separately supplied by the owner.

Parts, tools and consumables

Listed in the reference

Part links open an exact-model OEM listing. Quantities, reused hardware and condition-dependent replacements may need checking in the manual. A listed part is not an instruction to replace it.

Setup specifications

Shocks
Oil-filled composite body, front and rearStock
Sources
Spring, front
W5309-34 (Short / 3.4)Stock
Sources
Spring, rear
W5310-23 (Long / 2.3)Stock
Sources

Keep the axle positions and original units shown. Values describe the cited configuration. Replacement-derived and community figures keep their stated basis.