Small Engine Repair Thread

The Something Awful Forums > Discussion > Automotive Insanity > Small Engine Repair Thread

CommieGIR: Aug 22, 2006; The blue glow is a feature, not a bug; Pillbug

So, my dad's Craftsman riding tractor has an issue with the carb where its flooding the cylinder with fuel. I suspect the electric float solenoid, what actually drives that solenoid?

# ¿ Jul 8, 2019 12:15

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# ¿ May 12, 2024 02:25

CommieGIR: Aug 22, 2006; The blue glow is a feature, not a bug; Pillbug

mekilljoydammit posted:

The solenoid is there to cut off fuel and prevent backfires after shutting off the ignition. It can be gutted to plug the float bowl hole and not otherwise affect operation.

Probably it's the needle and seat. None of these small engine carbs are really OK with ethanol.

We replaced the carb and had the same issue happen with the brand new one.

# ¿ Jul 8, 2019 21:00

CommieGIR: Aug 22, 2006; The blue glow is a feature, not a bug; Pillbug

mekilljoydammit posted:

Possibly some crud in the gas tank that kept the new needle and seat from closing, or poor machining, or something got jostled around. These things are really shittily built.

I'd post a picture if I was at the last job and had CAD models of all this poo poo handy - the solenoid is a normally closed plunger that goes into the bit that holds the main jet and blocks off fuel when not energized. It doesn't do anything to affect the fuel level in the float bowl.

Yeah, its just such an odd issue. I'll drain the tank and check the carbs internals and report back

# ¿ Jul 9, 2019 14:18

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