0583376 582077 0583127 OMC Timer Base Trigger | Genuine Used Part

🔧 Product Description

Genuine Used Evinrude Johnson V4 Cross-Flow Timer Base Assembly - Part Numbers: 0583376 and 0583127

A genuine pre-owned OMC, Evinrude and Johnson timer-base and sensor assembly for selected four-cylinder cross-flow outboards.

Part number 0583376 supersedes earlier assembly 0583127. Number 582077 is commonly found as a casting, internal or identification number on compatible assemblies and should be checked alongside the complete service part number.

This timer base is associated with the earlier 85HP to 140HP V4 cross-flow ignition family.

⚙️ Key Features

• Genuine OMC, Evinrude and Johnson used timer base

• Complete service reference 0583376

• Replaces earlier assembly 0583127

• Common assembly identifier 582077

• Four-cylinder cross-flow trigger configuration

• CDI Electronics replacement available

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 0581812 - Earlier timer-base reference

• 0582041 - Earlier timer-base reference

• 0583127 - Earlier timer-base and sensor assembly

• 0583128 - Related service reference

• 0583376 - Later timer-base assembly

OEM / Related Numbers:

• 0583376

• 583376

• 0583127

• 583127

• 0583128

• 583128

• 0582041

• 582041

• 0581812

• 581812

• Assembly / casting identifier: 582077

Aftermarket / Verified Equivalents:

• CDI Electronics: 133-3376

• Aftermarket V4 cross-flow timer base replacing 0583127

• Aftermarket timer base replacing 0583376

• Aftermarket replacement for 0581812 / 0582041

🚤 Compatibility

Commonly used on:

• Evinrude four-cylinder cross-flow outboards

• Johnson four-cylinder cross-flow outboards

• Three-and-three-eighth-inch-bore V4 engine families

• Mechanical spark-advance ignition systems

Typically suits selected 1978-1987:

• 85HP

• 88HP

• 90HP

• 100HP

• 110HP

• 115HP

• 140HP

• Engine Configuration: Four-cylinder V4 two-stroke

• Ignition Type: Capacitor-discharge ignition

• Application Family: Early V4 cross-flow

Important fitment note:

• Confirm the complete service number rather than relying only on number 582077.

• Some assemblies have similar housings but different trigger calibration, wiring or connectors.

• Compare the wire count, plug shape, timer-base diameter and advance-link position.

• Do not substitute the later 0583289 / 0763776 or 0583508 / 0763782 assembly without confirmed catalogue interchange.

🔌 Function

The timer base generates cylinder-position signals for the power pack and rotates to control spark advance.

Correct operation allows stable idle timing, progressive advance during acceleration and the specified maximum timing at wide-open throttle.

Common signs of failure:

• One or more cylinders lose spark

• Engine misfires under acceleration

• Spark becomes intermittent when warm

• Engine backfires during starting

• Timing varies unexpectedly

• Engine will not reach rated rpm

• Timer base does not rotate smoothly

• Wiring insulation is brittle or cracked

• Trigger output is below specification

Recommended checks before installation:

• Measure trigger resistance and peak voltage

• Inspect all plugs and terminals

• Check the timer-base support and bearing surface

• Confirm the spark-advance linkage moves freely

• Inspect the flywheel and key

• Test the power pack and coils

• Complete the factory synchronisation and timing procedure

📦 Condition

• Genuine OMC, Evinrude or Johnson used part

• Pre-owned electrical component

• Marks, oxidation and wiring wear may be present

• Electrical testing before installation is strongly recommended

• Included components are limited to those shown or described

• Supplied in protective or equivalent packaging