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:
Premium piston kit designed as a direct replacement for the Yamaha 1812cc liquid-cooled DOHC inline 4-cylinder engine with electronic fuel injection used across FX SHO, FX SVHO, GP-R SVHO personal watercraft and AR 195, SX 195, 255, and 275 series jet boat platforms. The 85.96mm B grade piston is precision-sized for standard bore cylinders to deliver optimal compression and ring seal at the 11.0:1 compression ratio. Complete kit includes forged aluminum alloy piston, precision-fitted piston rings, hardened wrist pin, and retaining circlips per cylinder for a full top-end rebuild. Built from premium forged aluminum alloy with CNC machining for exact tolerances and dependable performance across personal watercraft and jet boat 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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