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Title: no diagnosis help
Review: While the DVD shows very well how to easily open and replace components in a carb, it fails to show how to diagnose lean conditions in 2 strokes and lean/rich in 4 strokes. The presenter blips the throttle 6 or so times and tells us it is lean because it didn't "take" or rich because it felt "fluffy" (or some similar term). I was very disapointed that I could not return the product since it did nothing for my understanding of diagnosis.
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