Ski-Doo Summit Highmark X, Mach Z Adrenaline +1 more: Engine

Affects Ski-Doo Summit Highmark X, Mach Z Adrenaline, Summit Highmark · 2005 — about 553 vehicles.

The hazard

Certain snowmobiles may have had an inadequate clutch ring gear installed during assembly. As a result, the ring gear may fracture at speeds and debris may act as projectiles. This could cause serious injuries or even death to rider or bystander. Correction: Dealers will replace the ring gear.

What to do

Contact your dealer; the remedy details were not included in the filing.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational