CROSS REFERENCE PART NUMBERS:
• Yamaha 60E-11631-00-B0 (Standard Bore Reference)
• Pro-X 01.2523.C
ITEM SPECIFICATIONS:
• Component: Piston Kit (Standard Bore C Grade)
• Piston Size: 73.99mm (Standard Bore C Grade)
• Bore x Stroke: 74.0mm x 58mm (Standard)
• Displacement: 998cc (4-Cylinder)
• Compression Ratio: 10.6:1
• Kit Contents: Piston, Rings, Wrist Pin, Circlips
• Material: Forged Aluminum Alloy Piston
• Engine: Liquid-Cooled 4-Stroke DOHC (MR-1)
• Model Years: 2002-2008 (various Yamaha MR-1 watercraft and jet boats)
COMPATIBLE MODELS:
Yamaha 998cc MR-1 Watercraft:
• FX 140 (2002-2004) / FX 1000 (2005-2008) / FX Cruiser (2003-2008)
Yamaha 998cc MR-1 Jet Boats:
• AR 230 (2004-2006) / SR 230 (2003-2005) / SX 230 (2004-2006)
PRODUCT DETAILS:
This standard bore C grade piston kit is designed for the Yamaha MR-1 998cc liquid-cooled 4-stroke DOHC inline 4-cylinder engine used across multiple watercraft and jet boat models. The 73.99mm C grade piston provides factory-specified piston-to-wall clearance for optimal ring seal and compression in standard bore cylinders. Each kit includes forged aluminum alloy piston, precision-fitted piston rings, hardened wrist pin, and retaining circlips for the Yamaha MR-1 engine. Manufactured using premium forged aluminum alloy and precision machined on CNC equipment for consistent dimensions and reliable performance in high-output 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
Total Reviews (0)
Write the First Review!