OMC Evinrude Johnson Rect-Regulator

The part number 763782 for OMC Evinrude Johnson corresponds to a timer base assembly, not a rectifier/regulator. This timer base is integral to the ignition system of certain Johnson and Evinrude 4-cylinder outboard engines, particularly those in the 120–140 HP range from the late 1980s to early 1990s.

🔧 Understanding the Timer Base Assembly (Part Number 763782)

• Function: The timer base, also known as the trigger assembly, works in conjunction with the stator to control ignition timing by sending signals to the power pack.

• OEM Part Numbers: 763782, 0583508, 0778479Strouds Marine+3MaxRules+3Amazon+3

• Aftermarket Equivalent: CDI Electronics part number 133-3508Crowley Marine+1Amazon+1

⚠️ Clarification on Rectifier/Regulator

If you're seeking a rectifier/regulator for your outboard engine, the part number 763782 would not be appropriate. For 120–140 HP Johnson and Evinrude outboards from the late 1980s to early 1990s, a commonly used rectifier/regulator is:

• OEM Part Number: 0583512Primeau's Marine

• Aftermarket Equivalent: CDI Electronics part number 193-4205Primeau's Marine

This rectifier/regulator is compatible with various 4-cylinder loop-charged engines and is designed to convert AC voltage from the stator to DC voltage, regulating the output to charge the battery and power the electrical system.

🛒 Purchasing Options

• Timer Base (763782 / 133-3508):

  • Primeau's Marine: Offers used OEM timer bases compatible with 120–140 HP models.

  • CDI Electronics: Provides new aftermarket timer bases with updated designs for improved performance.

• Rectifier/Regulator (0583512 / 193-4205):

  • MarineEngine.com: Offers OEM rectifier/regulators suitable for 4-cylinder engines.

  • SouthCentral Outboards: Provides used rectifier/regulators in good condition, compatible with 85–90 HP models.

✅ Recommendations

• Verify Compatibility: Always cross-reference part numbers with your engine's model and serial number or consult the manufacturer's service manual to ensure proper fitment.

• Condition Consideration: While used parts may be more affordable, assess the condition and warranty offered. Reputable sellers often provide used units at discounted prices with some form of guarantee.