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There is no mention as to whether this is a carbureted, or fuel injected model. The most likely cause in either case however, would be a fuel restriction problem. Check for proper fuel delivery to engine. If you have a carbureted model, and no fuel delivery problems, most likely the carburetors need a good cleaning.

While at it, make sure the fuel is fresh and free of water, or debris. Also if you have been using ethanol enhanced fuels, all hoses and lines in the fuel system should be checked for serviceability.

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โˆ™ 2010-01-04 02:39:00
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