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Old March 5th, 2020, 06:44 PM   #1
nocturncal
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Name: Cal
Location: San Francisco
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Motorcycle(s): '09 Ninja 250R

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Sourcing 2 Gaskets inside Gas Cap?

My gas cap has been leaking to the point where it's been spilling /venting fuel and robbing me precious mpg. I temporarily fixed this by disassembling and cleaning the fuel cap, used gasket sealant on the inner square gasket (which had shrunk partially deformed) and sprayed silicone spray lube
everywhere, including the ring gasket that seals to the fuel tank . This helped reseal my tank and I gained 40 miles extra on my next tank fillup and since then I can get 40-ish mpg in the city vs the 32 mpg I've been getting prior

Trouble is the gaskets are deteriorating and would like a more permanent solution. I looked on bikebandit.com and the gaskets aren't sold individually.

Service Manual Says to Replace Gasket, but they aren't sold individually:



Hard To See Here, But Circle Gasket is Starting to Crack On Backside and Edges:



Under the Circle Gasket, The Square-ish Metal Section Shown Has a Square-ish gasket underneath it that is deformed and I temporarily resealed this using gasket sealant:



Anyone have a source for those gaskets? I'd rather not buy a whole new gas cap if possible. Looking on eBay used gas caps came as a set with ignition and rear seat locks and we're $80+.

Last futzed with by nocturncal; March 6th, 2020 at 12:27 AM.
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Old March 8th, 2020, 01:17 PM   #2
arnvc
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gasket

for my gasket headaches I end up at , Real Seal CO , 1971 Don Lee Pl , Escondido ca 92029, 760 743 7263. not sure if they have a catalog. walking in ,they measure dia, ask aboot applications, heat cycles, temps , fuel/oil, high/low psi . must be other supply houses around. good luck
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Old March 8th, 2020, 01:19 PM   #3
DannoXYZ
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