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First thought, coil breaking down. Magneto or battery powered ignition system?andy7102 wrote:My 49 Cub with belly mower will run about 20 minutes,then lose all power.
Indicates fuel/carburetion system working.It may run at idle but sometimes doesn't have enough power to move with PTO off. I can get some power by chocking along with black smoke from exhaust.
andy7102 wrote:After each fix it runs fine so I think the problem has been found but after about 20 minutes of hard work it quits again!
20 minute run time - common symptom of coil break down.Eugene wrote:First thought, coil breaking down.andy7102 wrote:My 49 Cub with belly mower will run about 20 minutes,then lose all power.
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