CROSS REFERENCE PART NUMBERS:
• Yamaha 6ET-11631-00-B0
• Yamaha 6ET-11631-01-B0
• Yamaha 6S5-11631-10-B0 (Cross Reference)
• Pro-X 01.2909.B
ITEM SPECIFICATIONS:
• Component: Piston Kit (Standard Bore B Grade)
• Piston Size: 85.96mm (B Grade)
• Bore x Stroke: 86.0mm x 78mm (Standard)
• Displacement: 1812cc (4-Cylinder)
• Compression Ratio: 11.0:1
• Kit Contents: Piston, Rings, Wrist Pin, Circlips (Per Cylinder)
• Material: Forged Aluminum Alloy Piston
• Engine: Liquid-Cooled 4-Stroke DOHC (EFI)
• Model Years: 2008-2025 (Yamaha FX/FZ/GP/AR/SX/195/255/275)
COMPATIBLE MODELS:
Yamaha 1812cc Personal Watercraft:
• FX Cruiser SHO/SVHO / FX SHO / FX SVHO (2008-2025)
• FZR / FZS (2009-2016) / GP (2017-2018) / GP-R / GP-R SVHO (2019-2025)
Yamaha 1812cc Jet Boats:
• 195 FSH / 195S / 255 FSH / 255XD / 255XE / 275E / 275SD / 275SE (2013-2025)
• AR 192 / AR 195 / SX 192 / SX 195 (2013-2025)
PRODUCT DETAILS:
High-quality piston kit engineered for the Yamaha 1812cc liquid-cooled 4-stroke DOHC inline 4-cylinder engine found across the FX SHO, FX SVHO, FZR, FZS, GP-R SVHO personal watercraft and AR 195, SX 195, 195 FSH, 255, and 275 series jet boats from 2008 through 2025. The 85.96mm B grade piston provides factory-specified clearance for proper ring seal and reliable compression in standard bore applications. Each kit includes forged aluminum alloy piston, precision-fitted piston rings, hardened wrist pin, and retaining circlips per cylinder for the Yamaha 1812cc EFI marine engine. Manufactured from premium forged aluminum alloy with precision CNC machining for consistent quality and dependable performance in marine watercraft applications.
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
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