OEM NOS Ski-Doo Rotax LABYRINTH Ring 402-0096 — ST-2 — SKU-85 — PIC-3493
Factory-original labyrinth ring for Rotax engines used on vintage Ski‑Doo sleds. This OEM NOS part maintains crankcase sealing by controlling pressure pulses around the crankshaft, supporting proper lubrication and performance. Ideal for concours restorations and reliable riders.
- Condition: OEM NOS, may show light shelf wear
- Application: Vintage Ski‑Doo Rotax engines using labyrinth sealing
- Part/Ref: 402‑0096 • ST‑2 • SKU‑85 • PIC‑3493
- Function: Preserves crankcase pressure balance, reduces blow‑by, protects bearings
Verify model/engine code and ring spec before install.



