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Gasahol Blues
For years now, I have been fighting the problems keeping my 4
stroke Ymmaha T9.9 running. Even with adding preservatives to the gas tank, replacing the fuel delivery system, and adding a 19 micron filter inline with the gas feed, the tiny jets on this engine occasionally block up. Nothing helps short of tearing down the carb to clean them. Most of the modern gas engines have these small jets that continually block up. Gasahol is mostly to blame either because it dissolves any loose dirt in your system or breaks down into something that eventually blocks the carbs. Now we have an increase of alcohol being pushed by our farmers to 15 per cent instead of the current 10 percent. This is sure to make the problem worse. The engine manufacturer's have not come up with a really good solution. Just band-aid fixes like adding inline filters and preservatives to the gas. This is taking all the fun out of boating and can even be a safety issue. Sherwin |
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