STIHL CHAINSAW MS 271 Leaking Gas
| CONF | DIAGNOSIS | PART MATCH | ACTION |
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91%
CONF
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Fuel Filler Cap (Tool-less)
The MS 271 uses the patented Stihl 'flippy' cap which relies on a precise O-ring compression. If the O-ring is nicked, dirty, or the locking mechanism is obstructed by sawdust, it fails to maintain a liquid-tight seal, resulting in gas leakage during operation or storage.
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CHECK PRICE |
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5%
CONF
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Fuel Line
This molded rubber line is the primary conduit from the tank to the carburetor. Over time, exposure to ethanol-rich fuels causes the rubber to lose elasticity and develop hairline cracks, particularly at the point where it passes through the fuel tank wall, causing fuel to seep out of the chassis.
SKU: 1141 358 7700
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CHECK PRICE |
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4%
CONF
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Tank Vent (Breather)
The fuel tank vent is a one-way valve designed to equalize pressure. If the internal check-valve degrades or becomes stuck open, it allows fuel to escape through the vent port whenever the saw is tilted or when temperature changes cause the fuel in the tank to expand.
SKU: 0000 350 5802
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CHECK PRICE |
DIY Repair Guide
Watch exactly how to replace the Fuel Filler Cap (Tool-less).