OEM PART NUMBERS:
• Yamaha Piston: 60E-11631-00-B0 / 60E1163100B0
• Yamaha Ring Set: 4XV-11603-00-00
SPECIFICATIONS:
• Product: Piston Kit (Piston + Ring Set)
• Engine: Yamaha MR-1 (Marine R-1) — Based on Yamaha R1 Superbike Technology
• Bore Size: Standard — 74.0mm
• Stroke: 58mm
• Displacement: 998cc DOHC 20V 4-Stroke Inline 4-Cylinder
• Compression Ratio: 11.4:1
• Power: 140HP (103 kW) @ 10,000 RPM
• Valves: 20 (5 per cylinder), Dual Overhead Cam (DOHC)
• Fuel: EFI Electronic Fuel Injection (40mm injectors)
• Ignition: TCI
• Cooling: Open Loop Water Cooled
• Lubrication: Dry Sump — Dual Oil Pumps
• Standard bore — no cylinder machining required
• Light 400-grit hone recommended for ring seating
• Kit Includes: 1 Piston + 1 Ring Set per kit
• Qty 4 pistons per engine | Jet boats use dual engines (8 pistons per boat)
• Source: Aftermarket | Condition: New
OVERSIZE SERIES (OEM 60E-11631-00-B0):
• 010-870K — STD 74.0mm (THIS ITEM)
• 010-870-04K — 0.25mm Over 74.25mm
• 010-870-05K — 0.50mm Over 74.50mm
• 010-870-06K — 0.75mm Over 74.75mm
• 010-870-07K — 1.00mm Over 75.0mm
YAMAHA MR-1 1000 APPLICATIONS:
• FX 140 WaveRunner 998cc 140HP (2002-2004) — PWC
• FX WaveRunner 998cc 140HP (2005-2008) — PWC (renamed FX 140)
• FX Cruiser 998cc 140HP (2003-2008) — PWC
• SR 230 998cc 140HP/engine (2003-2005) — Dual-Engine Jet Boat
• AR 230 998cc 140HP/engine (2004-2006) — Dual-Engine Jet Boat
• SX 230 998cc 140HP/engine (2004-2006) — Dual-Engine Jet Boat
• AR 210 998cc 140HP/engine (2008-2014) — Dual-Engine Jet Boat
• SX 210 998cc 140HP/engine (2011-2014) — Dual-Engine Jet Boat
• AR 240 HO 998cc 140HP/engine (2014) — Dual-Engine Jet Boat
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
Write the First Review!