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Mercury & Mariner Starter Motors

Starter Motor for Mercury 25HP 30HP 40HP

SKU: MXST-0149

$445.00
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The HIT85 ST-0149 is a 12-volt aftermarket replacement starter motor designed for selected 25HP to 40HP 2-stroke outboard engines. Featuring an 11-tooth drive gear, counterclockwise rotation and permanent magnet direct drive construction, it provides reliable electric engine cranking. Suitable for replacing worn, damaged or faulty starter assemblies, this replacement unit is ideal for compatible outboards requiring the correct drive gear and mounting configuration.

Key benefits

Key Benefits

  • - 12V electric starter motor
  • - 11-tooth drive gear
  • - Counterclockwise (CCW) rotation
  • - Permanent Magnet Direct Drive (PMDD) construction
  • - Suitable for selected 2-cylinder 2-stroke outboards
  • - Replaces multiple original starter motor part numbers
  • - Suitable for maintenance, servicing and repairs

Specifications & Dimensions

  • - Part Number: HIT85
  • - Additional Reference: ST-0149
  • - Product Type: Electric Starter Motor
  • - Voltage: 12V DC
  • - Drive Gear Teeth: 11
  • - Rotation Direction: Counterclockwise (CCW)
  • - Starter Design: Permanent Magnet Direct Drive (PMDD)
  • - Engine Type: 2-Stroke

Compatible Outboard Motors

  • Mariner Outboards – 2-Stroke
  • - Mariner 25HP – 1980–1984
  • - Mariner 30HP – 1980–1989
  • - Mariner 40HP – 1981–1989

Yamaha Outboards – 2-Stroke

  • - Yamaha 25HP – 2-cylinder, 1984–2018
  • - Yamaha 30HP – 2-cylinder, 1984–2018
  • - Yamaha 40HP – 2-cylinder, 1990–1997
  • These application ranges are listed by the supplier. Individual engine fitment must still be checked against the original starter number.

Cross-Reference / Replacement Part Numbers

  • OEM References
  • - 50-814980M
  • - 50-96359M
  • - 50-97693M
  • - 689-81800-11
  • - 689-81800-12
  • - 689-81800-13

Signs the Starter Motor Needs Replacing

  • - Engine fails to crank despite a fully charged battery
  • - Clicking noise when the ignition key is turned
  • - Slow or intermittent engine cranking
  • - Grinding or unusual noises during starting
  • - Excessive starter motor heat
  • - Worn or damaged starter drive gear
  • - Corroded electrical terminals

Important Fitment Information

  • - Confirm 12V electrical operation.
  • - Verify the 11-tooth drive gear.
  • - Confirm counterclockwise rotation.
  • - Compare the original starter against the listed OEM references.
  • - Check the engine model, year and serial number.
  • - Verify mounting dimensions and electrical connections before installation.

Shipping

Ships Australia-wide