Description

431411 Gasket – Crankcase Seal for Rotax 912, 912S & 914 (S/N 06.0010 – 07.5001)

Ensure a leak-free crankcase during engine servicing with the genuine Rotax 431411 Gasket, designed for specific Rotax 912, 912S, and 914 engine models. This gasket is used beneath the cylinder barrels on engines in the crankcase serial number range 06.0010 to 07.5001, providing a reliable seal and maintaining correct oil pressure and crankcase integrity.

✅ Key Features

OEM Rotax Part: Genuine gasket made to precise Rotax factory tolerances
Critical Sealing Role: Used under each cylinder barrel to ensure uniform sealing between the crankcase and cylinder
Service-Critical: Recommended replacement any time a cylinder is removed for inspection, overhaul, or repair

Technical Specifications

Part Number: 431411
Fitment Range:
- Rotax 912 / 912S / 914
- Applicable crankcase Serial Numbers: 06.0010 to 07.5001 only
Installation: Installed under the cylinder base, typically alongside O-ring 431570 (where applicable), and torqued to Rotax spec (3 Nm)

️ Applications & Fitment

Used during top-end or full engine overhauls, especially when removing cylinder barrels
Ensures correct sealing and pressure distribution across the crankcase interface