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bus_driver

2-cycle Weedeater

bus_driver
11 years ago

No 2-cycle forum on Garden Web, according to the search. I have one that has me stumped. Weedeater XR-90, probably made by Poulan. Says electronic ignition, the spark is nice, crisp blue, as perfect as I have ever seen. Usually with a few drops of fuel mix in the spark plug hole, the most stubborn of engines will fire a least a few revolutions after 6 - 10 pulls. This one will sound like it almost fired. Same with new spark plug. Compression seems OK, I have some good running engines that do not have greater compression.

Can the ignition timing be wrong? I do not know how that could be but it is about the only idea that I have.

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