0583853 0763774 OMC Timer Base Trigger | Genuine Used Part

🔧 Product Description

Genuine Used Evinrude Johnson V6 Cross-Flow Timer Base - Part Numbers: 0583853 and 0763774

A genuine pre-owned OMC, Evinrude and Johnson six-cylinder timer-base and sensor assembly for selected 150HP, 155HP and 175HP cross-flow outboards.

Part number 0583853 belongs to the OEM timer-base family later serviced under 0763774. The assembly contains six-cylinder trigger sensors and rotates with the engine's ignition-advance linkage.

⚙️ Key Features

• Genuine OMC, Evinrude and Johnson used timer base
• Original reference 0583853
• BRP service reference 0763774
• Six-cylinder cross-flow ignition configuration
• Suitable for selected 150HP to 175HP V6 engines
• CDI Electronics replacement 133-3853 available

🚤 Compatibility

Commonly used on

• Evinrude six-cylinder cross-flow outboards
• Johnson six-cylinder cross-flow outboards
• High-output V6 capacitor-discharge ignition systems

Typically suits

• 150HP:
• Selected 1989-1991 V6 cross-flow engines
• 155HP:
• Selected 1989-1992 V6 cross-flow engines
• 175HP:
• Selected 1989-1991 big-bore V6 cross-flow engines
• Engine Configuration: Six-cylinder V6 two-stroke
• Ignition Type: Rotating timer-base capacitor-discharge ignition

Important fitment note

• Confirm the original number and engine model before ordering.
• V6 cross-flow and V6 loop-charged timer bases are not interchangeable.
• Compare connector pin count, wire colours and mounting diameter.
• The stator, power pack and flywheel are included only when shown or stated.

🔌 Function

The timer base produces six-cylinder crankshaft-position signals for the ignition power pack.

Its mechanical rotation advances ignition timing as throttle position and engine speed increase.

⚠️ Common Signs of Failure

• Spark loss on one or more cylinder pairs
• Engine runs on only part of the cylinder bank
• Difficult starting or backfiring
• Misfire under load
• Spark fails when the engine warms
• Incorrect maximum timing
• Engine will not achieve full rpm
• Trigger resistance or peak output is outside specification
• Cracked wiring or corroded terminals

🛠️ Service Notes

Recommended checks before installation

• Test every trigger circuit individually
• Compare the connector and wiring with the original
• Inspect the timer-base bearing surface
• Confirm free advance and return movement
• Test both power packs where applicable
• Check stator output and ignition-coil operation
• Perform the factory timing and synchronisation procedure

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 0583853 - Original timer-base assembly
• 0584363 - Related later timer-base reference
• 0763774 - BRP service replacement
• 0778391 - Related later service reference

OEM / Related Numbers

• 0583853
• 583853
• 0584363
• 584363
• 0763774
• 763774
• 0778391
• 778391

Aftermarket / Verified Equivalents

• CDI Electronics: 133-3853
• Aftermarket V6 cross-flow timer base replacing 0583853
• Aftermarket timer base replacing 0584363
• Aftermarket timer base replacing 0763774

📦 Condition

• Genuine OMC, Evinrude or Johnson used part
• Pre-owned electrical component
• Cosmetic wear, wire ageing and light corrosion 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