STG50631 Starter Motor 6M6-81800-10-00 for Yamaha 650 700 760

STG50631 Starter Motor – Yamaha 650/700/760 Watercraft

? OEM & Cross-Reference Part Numbers

• Yamaha OEM: 6M6-81800-10-00

• Aftermarket Replacement: STG50631

• Compatible Brands

• ARCO MARINE    PWY650
  ARROWHEAD    SMU0026
  CARGO    111917
  EMP PARTS    4-6290
  J & N    410-54013
  LESTER    18420
  MITSUBA    S13-237
  QUICKSILVER    8M6007433
  SIERRA MARINE    18-6290
  STOCKERS STARTERS    WY-2
  TUCKER ROCKY    46-4210
  Yamaha    6M6-81800-10-00

? Compatible Yamaha PWC Models (1990-2013)

✅ 650cc Models:

• 1990-93 SJ650 Super Jet

• 1990-94 WR650 Wave Runner LX

• 1990-96 WRA650 Wave Runner III

• 1991-95 WRB650 Wave Runner

✅ 701cc Models:

• 1994-95 FX700 FX1

• 1994-97 RA700 Wave Raider

• 1994-13 SJ700 Super Jet

• 1993-96 WB700 Wave Blaster

• 1994-97 WRA700 Wave Runner III

• 1994-93 WRB700 Wave Runner

• 1998-95 WVT700 Wave Vent.

• 2004-99 XL700 Wave Runner

? Technical Specifications

• Voltage: 12V

• Rotation: Clockwise (CW)

• Teeth: 9T (9-Tooth Pinion Gear)

• Starter Type: PMDD (Permanent Magnet Direct Drive)

• Mounting Holes:

• Ear 1: 8.3mm (Unthreaded)

• Ear 2: 9.6mm (Unthreaded)

• Gear OD: 0.453in (11.5mm)

? Key Features

✔ High-Performance PMDD Motor – Reliable starts in marine environments.
✔ Precision 9T Gear – Smooth engagement with Yamaha flywheels.
✔ Corrosion-Resistant Design – Built for saltwater/freshwater use.
✔ Direct Bolt-On Fit – No modifications needed.