RAREELECTRICAL Platinum Piston Kit Compatible With 1998-2005 Yamaha Xlt 1200 Gp 800 Gp800r Xl 800 Gp-R 1200 66E 66V Power Valve 66V-11631 1176Cc 155Hp 2-Stroke 3-Cyl 66E-11631-01-A0 80.15Mm Bn44 784Cc

YAMAHA 1200 (66V) — 3-CYL TRIPLE POWER VALVE APPLICATIONS: GP-R 1200 1176cc 66V 3-Cyl Triple 2-Stroke Power Valve ~155HP (2000-2002) High-performance sit-down PWC | Triple 44mm Mikuni BN44 carbs | YPVS XLT 1200 1176cc 66V Triple Power Valve ~155HP (2002-2005) XL 1200 Ltd (1999-2001) YAMAHA 800 (66E) — 2-CYL TWIN POWER VALVE APPLICATIONS: GP 800 / GP 800R 784cc 66E Twin Power Valve ~120HP (1998-2005) XL 800 (2000-2001) XLT 800 (2002-2004) Twin 44mm Mikuni BN44 carbs | YPVS power valve exhaust | CDI ignition OEM PART NUMBERS: 66V-11631-00-A0 / 66V1163100A0 66E-11631-01-A0 / 66E1163101A0 66E-11631-00-A0 / 66E1163100A0 ENGINE SPECIFICATIONS: 66V: 1176cc 3-Cyl Triple 2-Stroke PV | 79.90mm × 78mm | ~155HP @ 7000 RPM 66E: 784cc 2-Cyl Twin 2-Stroke PV | 79.90mm × 78mm | ~120HP @ 7000 RPM Same 79.90mm bore — same piston fits both engine families PLATINUM 0.25MM OVER PISTON KIT — YAMAHA 800/1200 POWER VALVE (80.15mm) Platinum piston kit at 80.15mm bore for Yamaha power valve engines. Requires cylinder boring to 80.15mm (0.010" over). Kit includes piston, ring set, wrist pin, bearing, and circlips per cylinder. 800cc twin: order 2. 1200cc triple: order 3. Replaces OEM 66V-11631-00-A0 / 66E-11631-01-A0. ADDITIONAL FITMENT DETAILS: XR 1800 Twin 1176cc 66V engines = 310HP combined (2000-2001) Clearance: .004–.0045" ADDITIONAL CROSS-REFERENCES: Supersession: 66E -01-A0 → -01-B0 → -01-C0 → -01-D0 Product Type: Platinum Piston Kit Bore Size: 80.15mm (0.25MM OVER — Standard 79.90mm) Piston-to-Wall Clearance: .004–.0045" Piston: Forged Platinum Grade 800cc (2-cyl): 1 piston per kit, order 2 per engine. 1200cc (3-cyl): 1 piston per kit, order 3 per engine. ⚠️ IMPORTANT: Verify OEM part number before ordering to ensure proper fitment.

• Compatible with YAMAHA. Please verify your OEM part number from your original unit to help ensure fitment.
• Replaces: Oem Part Numbers (66E/66V): / Yamaha: 66E-11631-01-A0 / 66E1163101a0 (800Cc 66E) / Yamaha: 66V-11631-00-A0 / 66V1163100a0 (1200Cc 66V) / Supersession: 66E -01-A0 → -01-B0 → -01-C0 → -01-D0 / Specifications: / Product Type: Platinum Piston Kit / Bore Size: 80.15Mm (0.25Mm Over — Standard 79.90Mm) / Piston-To-Wall Clearance: .004–.0045" / Piston: Forged Platinum Grade / 800Cc Engine: 784Cc 2-Cyl Twin 2-Stroke Pv (66E) | 79.90Mm × 78Mm / 1200Cc Engine:
• Applications: Yamaha Gp 800 / Gp 800R — Performance Pwc (1998-2005): / Gp 800 784Cc 66E 2-Cyl 2-Stroke Power Valve ~120Hp @ 7000 Rpm (1998-2000) / Gp 800R 784Cc 66E 2-Cyl 2-Stroke Power Valve ~120Hp @ 7000 Rpm (2001-2005) / 2-Passenger Performance | Twin 44Mm Mikuni Bn44 Carbs | Ypvs Power Valve / Yamaha Xl 800 — Sit-Down Pwc (2000-2001): / Xl 800 784Cc 66E 2-Cyl 2-Stroke Power Valve ~120Hp (2000-2001) / 3-Passenger | Twin 44Mm Mikuni Bn44 Carbs | Ypvs / Yamaha Gp-R 1200 —
• Applications: Gp-R 1200 — Performance Pwc (2000-2002): / Gp-R 1200 1176Cc 66V 3-Cyl 2-Stroke Power Valve ~155Hp @ 7000 Rpm (2000-2002) / 2-Passenger Performance | Triple 44Mm Mikuni Bn44 Carbs | Ypvs / / Yamaha Xl 1200 Ltd — Touring Pwc (1999-2001): / Xl 1200 Ltd 1176Cc 66V 3-Cyl 2-Stroke Power Valve ~155Hp (1999-2001) / 3-Passenger Touring | Triple 44Mm Mikuni Bn44 Carbs | Ypvs / / Yamaha Xlt 1200 — Touring Pwc (2001-2005): / Xlt 1200 1176Cc 66V 3-Cyl 2-Stroke...
• Platinum Rebuild Kit - Bore: .25 mm Over Product Finish: Platinum Source: Aftermarket