Tachometer for Small Engine,Inductive Hour Meter for 2 Stroke & 4 Stroke Small Engine, Timorn Replaceable Battery Waterproof Tachometer for Chainsaw Marine ATV Motorcycle UTV Engine (Black)
- ...etre just need wrap the single black wire to contact the spark plug fire of your engine(turn at least 5 rounds to make sure the connection is tight).
- Waterproof universal hour meter suitable for all two stroke (single/twin/3/6 cylinders) & four stroke (single/twin/3/4/5/6/8/12 cylinders) gasoline engines. resettable electronic tachometer can reset total works hour and maintenance time, monitor the engine status in order to repair in time.