bob carwell
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- Joined
- May 5, 2010
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I've had bad experiences rebuilding small engine carbs. First, an older tiller with a carb with a diaphragm which I meticulously cleaned and installed the rebuild kit on. It sort of ran for awhile. Then I rebuilt my Sears 6.5HP OHV pressure washer. First time I cleaned it out with carb spray and canned air- all the ports, everything. Didn't fire. Next time, I did it again, this time <SOAKING> the carb for 12 hours after removing all the plastic, rubber parts, and using my compressor air. Replaced it, no dice. Ordered a replacement carb for $40 and it fired right up. I am <very> meticulous about taking things apart, read all the tips about tiny orifices, etc. The pro at the lawnmower shop said they soak their carbs all night while AGITATED. I'm wondering if that's the magic. Read somewhere that the newer carbs are made with potted cheap metal and they get corroded and its very difficult to "clean" them. Bottom line is, does anybody know what the top 3 or 4 errors or tips are in rebuilding small engine carbs that will be successful ???? I'm almost to the point where next time a small engine quits firing, once I've checked to make sure I've got a good spark, fuel line is clear and brand new top quality gas, and air filter is clean, just ORDER another replacement carb and be done with it !!!! Not worth the time, expense of a rebuild kit, and frustration....
Bob
Bob