Huztl MS440 gas leak

msmmce1 · Mar 18, 2019

Wrapping up my Huztl 440 build, starts and runs good but I am having a gas leak problem. Seems that when sitting and the air temp and corresponding pressure in tank rises, gas leaks between the fuel line and the carb inlet. Could it be the fuel line? It seems to fit pretty snug. I've ordered an OEM line from the dealer, should be here in a day or so. Enough gas leaks to spill out of the housing and down the handle.
Thanks

BuckthornBonnie · Mar 18, 2019

Aftermarket tank vents are a known issue. Check to make sure yours isn’t leaking.

MG porting · Mar 20, 2019

msmmce1 said:
Wrapping up my Huztl 440 build, starts and runs good but I am having a gas leak problem. Seems that when sitting and the air temp and corresponding pressure in tank rises, gas leaks between the fuel line and the carb inlet. Could it be the fuel line? It seems to fit pretty snug. I've ordered an OEM line from the dealer, should be here in a day or so. Enough gas leaks to spill out of the housing and down the handle.
Thanks

Yes most likely fuel line and most likely the rubber garment for the tank vent replace both with OEM and problem solved.

hseII · Mar 20, 2019

Good Luck.

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Huztl MS440 gas leak

msmmce1

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BuckthornBonnie

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MG porting

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hseII

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