Johnson 105 HP Timer Bases
Shop OEM and aftermarket Timer Base for Johnson 105 HP outboard motors. BPS Marine supplies dependable replacement parts backed by years of outboard powerhead rebuilding experience.
Timer Bases send timing signals to the ignition system so the correct cylinder fires at the correct time.
Common Symptoms and Service Notes
- Intermittent misfire when throttle moves
- Backfire or erratic timing
- No spark on a specific cylinder
Inspect wiring movement, sensor resistance, and timing advance before installation.
CDI Electronics Optical sensor
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