Ignition Sensor Kit – Fits MerCruiser Thunderbolt IV & V Ignition (Replaces 87-892150Q02, 87-91019A3) family-yamaha-f25mshy reducing cavitation

reducing cavitation

9 HP and 15 HP outboard motors

ensuring blades are properly seated

Common signs include engine bogging under acceleration

Ignition Sensor Kit – Fits MerCruiser Thunderbolt IV & V Ignition (Replaces 87-892150Q02, 87-91019A3) family-yamaha-f25mshy reducing cavitationIgnition Sensor Kit Fits MerCruiser Thunderbolt IV & V Ignition (Replaces 87 892150Q02, 87 91019A3) This ignition sensor kit is designed for MerCruiser V6 and V8 marine engines (4. 3L, 5. 0L, 5. 7L, 7. 4L, 8. 2L) equipped with Thunderbolt IV and V electronic ignition systems from 19811997. It serves as a direct replacement, ensuring reliable ignition performance for a wide range of popular marine engines. Engineered for the harsh marine environment,