RAVE Valve Piston Compatible with 1996-2000 Sea-Doo All 720 800 951 GSX GTX SPX XP SP RFI LRV Rotax 787 717 947 2-Stroke PWC 420253255 800cc 2-Cyl 420854440 Exhaust Cross-reference

SEA-DOO 800cc CARBURETED (1996-1999):
• GSX 800 Rotax 787 782cc 2-Cyl Twin 82mm × 74mm 110 HP (1996-1999)
• GTX 800 (1996-1999) | SPX 800 (1997-1999) | XP 800 (1996-1999)
Dual Mikuni — CDI — RAVE Exhaust Valves

SEA-DOO 800cc RFI (1998-1999):
• GTX RFI 800 (1998-1999) | GSX RFI 800 (1999)
Rotax Fuel Injection — same 782cc block

SEA-DOO SP 720 (1997) & LRV 951 (2000):
• SP 720 Rotax 717 718cc 70 HP (1997)
• LRV 951 Rotax 947 951cc 130 HP (2000) — found by research

OEM: 420253255 / Cross-ref: 420854440

Exhaust Power Valve Piston — RAVE Valve:
Plastic piston for the exhaust pipe muffler/water box RAVE (Rotax Adjustable Variable Exhaust) valve. Controls exhaust back-pressure for optimal 2-stroke engine performance. Fits Sea-Doo 720cc (SP), 800cc (GSX/GTX/SPX/XP carb and RFI), and 951cc (LRV) models from 1996-2000. Replaces 420253255 and cross-references to 420854440. Weight 2 lbs.

ADDITIONAL CROSS-REFERENCES:
• Sea-Doo/BRP: 420253255 / 420-253-255
• Product Type: Exhaust Power Valve Piston (RAVE Valve Piston)
• Material: Plastic
• Engine Compatibility: Rotax 717 (718cc), 787/787 RFI (782cc), 947 (951cc)
• Condition: New
• 720: SP 720 (1997)
• 951: LRV 951 (2000)


⚠️ IMPORTANT: Verify OEM part number before ordering to ensure proper fitment.