Piston Kit 0.25Mm Over Compatible With 1987-2024 Yamaha Tw200 Trailway 1985-1989 Moto-4 200 Yfm200

OEM CROSS-REFERENCE PART NUMBERS:
• 21V-11631-00-00 (piston standard)
• 36X-11631-00-A0 (piston standard, later reference)
• 15A-11603-00-00 (ring set)
• 58L-11633-00-00 (piston pin)
• 93450-17044-00 (circlip)

SPECIFICATIONS:
• Bore Size: 67.25mm
• Oversize: 0.25mm Over
• Standard Bore: 67mm
• Displacement: 196cc
• Bore x Stroke: 67mm x 55.7mm
• Engine: 4-Stroke SOHC Air-Cooled Single Cylinder
• Compression: 9.5:1
• Pin Diameter: 16mm
• Material: Aluminum Alloy
• Kit Contents: Piston, Rings, Wrist Pin, Circlips

COMPATIBILITY:
• 1985-1989 Yamaha Moto-4 200 YFM200
• 1983-1985 Yamaha Tri-Moto 200 YTM200
• 1983-1985 Yamaha Yamahauler YTM200E
• 1985-1988 Yamaha Big Wheel BW200
• 1987-2024 Yamaha TW200 Trailway
PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.WARNING - This product may expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
YAMAHA 200 ATV AND MOTORCYCLE APPLICATIONS (1983-2024):

YAMAHA MOTO-4 200:
• Yamaha YFM200 Moto-4 (1985-1989)
• Yamaha YFM200DX Moto-4 (1986-1989)

YAMAHA TRI-MOTO 200:
• Yamaha YTM200 Tri-Moto (1983-1985)
• Yamaha YTM200E Yamahauler (1983-1985)

YAMAHA BIG WHEEL 200:
• Yamaha BW200 Big Wheel (1985-1988)
• Yamaha BW200E Big Wheel (1985-1988)

YAMAHA TW200 TRAILWAY:
• Yamaha TW200 Trailway (1987-2024)

ENGINE SPECIFICATIONS:
• 196cc 4-Stroke SOHC Air-Cooled Single Cylinder
• 67mm Bore x 55.7mm Stroke
• Compression Ratio: 9.5:1
• 2-Valve SOHC
• Cam Chain Driven

NOTES:
• Same 196cc engine platform across all listed models
• Kit includes piston, rings, wrist pin, and circlips
• Verify OEM part number before ordering