Don't know how it works but it does on everything from a single cylinder to a six cylinder engine. Very clever little stick. My lawnmower starts easily and runs very smoothly indeed.
Verified purchase: Yes | Condition: New
Good product, easy to fit ,well worth the money
Verified purchase: Yes | Condition: New
Very good unit. Dependable and produces good spark.
Verified purchase: Yes | Condition: New
Easy to install , starts and runs ok. Can't judge if it will last long.
Verified purchase: Yes | Condition: New
Much simpler and easier. Saves me having to remove flywheel from Briggs & Stratton engine.
Verified purchase: Yes | Condition: New
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