OEM Grade Piston Pin Compatible with 1997-2006 Sea-Doo 951 GTX RX XP GSX LTD Rotax 947 22mm Wrist Pin PWC Top End All Sea-Doo models 951cc 2-Stroke 2-Cyl Outer Case-hardened Carbureted

Piston Pin (Wrist Pin) — 22mm — Sea-Doo 951cc Rotax 947 Engine

Specifications:
• Outer Diameter: 22mm
• Material: Case-hardened chrome steel — heat treated for maximum durability
• Surface Finish: Mirror-polished to minimize friction and wear
• Fitment: Direct OEM replacement — drop-in fit

Engine Compatibility:
• Rotax 947/951cc 2-Cylinder 2-Stroke — Liquid Cooled
• Bore × Stroke: 88mm × 78mm
• Fits both carbureted and DI (Direct Injection) 951 engines
• All Sea-Doo models 1997-2006 with 951cc Rotax engine

Function:
The piston pin (wrist pin) connects the piston to the connecting rod small end, transferring combustion force while allowing the rod to pivot. A worn or scored pin causes knocking, accelerated bore wear, and potential catastrophic failure.

Important — Quantity:
• The 951cc Rotax is a 2-cylinder engine
• Each cylinder requires one piston pin
• Order quantity of 2 for a complete engine rebuild

When to Replace:
• During any top-end rebuild (piston, rings, cylinder re-bore/re-plate)
• When pin shows visible wear, scoring, discoloration, or blue heat marks
• When pin has measurable play in the connecting rod small end bearing

Installation Notes:
• Always replace piston pin circlips — never reuse old circlips
• Apply assembly oil to pin before installation
• Ensure circlips are fully seated — improper seating causes engine damage
• Verify connecting rod small end bearing condition before reassembly
• Marine engines see high sustained RPM — inspect all rotating components

ADDITIONAL CROSS-REFERENCES:
• Carbureted (GSX LTD, GTX, RX, XP) and DI models use the same pin