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.C
ITEM SPECIFICATIONS:
• Component: Piston Kit (Standard Bore C Grade)
• Piston Size: 85.97mm (C 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:
Direct replacement piston kit engineered for the Yamaha 1812cc liquid-cooled DOHC 4-cylinder EFI engine powering the FX Cruiser SHO, FX Cruiser SVHO, FX SVHO, FZR, FZS, and GP-R SVHO personal watercraft plus the AR 192, AR 195, SX 192, SX 195, and 195/255/275 series jet boat platforms. The 85.97mm C grade piston delivers factory-spec clearance for reliable ring seal and consistent 4-stroke performance in standard bore cylinders. Kit comes complete with forged aluminum alloy piston, precision-fitted piston rings, hardened wrist pin, and retaining circlips per cylinder for a comprehensive top-end rebuild. Precision machined on CNC equipment using premium forged aluminum alloy for reliable sealing and consistent power delivery in demanding marine 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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