0.25Mm Oversize Piston Kit Compatible With Yamaha Waverunner 500 Wr500 Wavejammer 500 Wj500 496Cc

OEM PART NUMBERS:
• Yamaha: 6K8-11631-00-95 / 6K8116310095
• Yamaha: 6K8-11631-00 / 6K811631-00-95

SPECIFICATIONS:
• Type: Piston Kit (0.25mm Oversize)
• Bore Size: 72.25mm (0.25mm Over Standard 72.00mm Bore)
• Standard Bore: 72.00mm (2.835")
• Oversize Bore: 72.25mm (2.844")
• Kit Includes: (1) Piston + (1) Ring Set
• Ring Set: Japanese RIK Performance Top-Industry Quality
• Cylinder Service: 1 (Order 2 Kits for Complete 2-Cyl Rebuild)
• Factory Piston-to-Wall Clearance: 0.004"-0.0045"
• Engine Type: 2-Cylinder 2-Stroke
• Engine Displacement: 496cc
• Bore × Stroke: 72mm × 61mm (Standard)
• Engine HP: ~32HP (Yamaha PWC) / 25-30HP (Mercury Outboard)
• Ethanol Compatibility: Not Compatible with >10% Ethanol Fuel
• Weight: 2 lbs
• Condition: New

PISTON SIZE CHART (Same OEM Base Number):
• Standard: 72.00mm (010-801K)
• 0.25mm Over: 72.25mm (010-801-04K) — THIS KIT
• 0.50mm Over: 72.50mm (010-801-05K)
• 0.75mm Over: 72.75mm (010-801-06K)
• 1.00mm Over: 73.00mm (010-801-07K)

APPLICATIONS:
• Yamaha WaveJammer 500 (WJ500) 496cc 2-Cyl 2-Stroke (1989-1990)
• Yamaha WaveRunner 500 (WR500) 496cc 2-Cyl 2-Stroke (1989-1991, 1993)
• Mercury 2-Cylinder 25HP / 30HP 2-Stroke Outboard (1984-1986)

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