Starter motor for Mercury 1969-1975 65-85HP outboard, marine engine part, 4Boats UK
Starter motor for Mercury 1969-1975 65-85hp 2-stroke outboard from 4Boats UK
STARTER MOTOR Mercury 1969-75 4-Cyl 65-85HP 10-Tooth 50-673341
STARTER MOTOR Mercury 1969-75 4-Cyl 65-85HP 10-Tooth 50-673341
STARTER MOTOR Mercury 1969-75 4-Cyl 65-85HP 10-Tooth 50-673341
STARTER MOTOR Mercury 1969-75 4-Cyl 65-85HP 10-Tooth 50-673341
STARTER MOTOR Mercury 1969-75 4-Cyl 65-85HP 10-Tooth 50-673341
STARTER MOTOR Mercury 1969-75 4-Cyl 65-85HP 10-Tooth 50-673341
STARTER MOTOR Mercury 1969-75 4-Cyl 65-85HP 10-Tooth 50-673341
Starter motor for Mercury 1969-1975 65-85HP outboard, marine engine part, 4Boats UK
Starter motor for Mercury 1969-1975 65-85hp 2-stroke outboard from 4Boats UK
STARTER MOTOR Mercury 1969-75 4-Cyl 65-85HP 10-Tooth 50-673341
STARTER MOTOR Mercury 1969-75 4-Cyl 65-85HP 10-Tooth 50-673341
STARTER MOTOR Mercury 1969-75 4-Cyl 65-85HP 10-Tooth 50-673341
STARTER MOTOR Mercury 1969-75 4-Cyl 65-85HP 10-Tooth 50-673341
STARTER MOTOR Mercury 1969-75 4-Cyl 65-85HP 10-Tooth 50-673341
STARTER MOTOR Mercury 1969-75 4-Cyl 65-85HP 10-Tooth 50-673341
STARTER MOTOR Mercury 1969-75 4-Cyl 65-85HP 10-Tooth 50-673341

STARTER MOTOR Mercury 1969-75 4-Cyl 65-85HP 10-Tooth 50-673341

5733N

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£145.00
/
Tax included.

Starter Motor 50-673341

For Mercury Mariner 65-125 HP 2-Stroke Engines

Restore reliable starting power to your outboard with this premium replacement starter motor. Specifically engineered for Mercury and Mariner 2-stroke engines, this unit provides the high torque and consistent cranking speed required for marine environments. It is designed as a direct "drop-in" replacement for the original motor, ensuring a seamless installation process without modifications.

RELIABILITY: Built to meet or exceed OEM specifications for long-lasting performance in both fresh and saltwater applications.

Key Features

  • ✔ Direct fit for 65HP - 125HP models
  • ✔ Heavy-duty 10-tooth drive gear
  • ✔ High-grade corrosion-resistant finish
  • ✔ Precision-balanced for quiet operation

Technical Specs

Voltage: 12V
Rotation: CCW (Counter-Clockwise)
Teeth/Pinion: 10 Teeth
Type: PMDD
Gear OD: 31.7mm (1.248")

Compatibility / Fitment Guide

Engine Model Cylinders Years (Approx)
65 HP 3-Cyl 1972 - 1976
70 HP 3-Cyl 1977 - 1983
75 HP 3-Cyl 1984 - 1986
80 HP / 85 HP 4-Cyl 1973 - 1983
90 HP / 115 HP 6-Cyl (Inline) 1970 - 1988

OEM Cross Reference

Mercury / Mariner 50-673341, 50-67341, 50-29105, 50-31976
Sierra Marine 18-5602
Arco Marine 5374
API Marine MOT3003, MOT3003N
WAI 6735

Questions & Answers

Is this a genuine original part?

This is a premium quality aftermarket replacement part, manufactured to meet or exceed original equipment (OE) standards for fitment and performance.

How do I know if it is compatible?

We recommend checking your original part number against the cross-reference list provided above. This starter replaces the 50-673341 and 50-67341 series commonly found on inline Mercury 2-stroke outboards.

Does this fit the 3-cylinder or 4-cylinder models?

It is compatible with both 3-cylinder (e.g., 65-75HP) and 4-cylinder (e.g., 80-85HP) models, as well as the 6-cylinder inline engines (90-115HP) within the specified year ranges.

Note: Please verify your original part number against the references above before purchasing. Domain: 4boats.co.uk

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