Clark tank gas cap gone bad.

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iggys-amsoil
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Joined: June 1st, 2007, 6:09 pm
Location: Just North of March Airfield CA

Clark tank gas cap gone bad.

Post by iggys-amsoil »

Well this is the second time that the rubber piece on the inside of the cap has fallen apart. Its been less than a year since a new one. Discovered it at Jawbone and I think Zorack saw it?

I only use 91 pump and an oz of Octane Boost per gallon, must be some good $h!t. I'd expect race gas to do worse.

Guess I better order another and complain about it. :?
Trinity Racing mild porting FMF
62 pilot, EGH needle, 172 main
03 Gen III CR250 frame

2013 Dodger Charger 5.7 Hemi

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britincali
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Post by britincali »

Ill bet its something funky in that crappy octane booster.


Prolly eating your crank seals too.
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TJC510
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Joined: October 31st, 2007, 12:38 pm
Location: Sheridan, MI

Post by TJC510 »

i have had that problem on my IMS and i have heard a few other people have the problem with clarke and IMS. mine i used for 5 years no problem, then all of a sudden there are alot of people having problems. from the research i have done, im preadty sure its the ethanol in the gas that is drying out the seal causing it to crack and fall in. all i ever use is 92/93. i tried 110 afterthat, but my bike doesn't like it, (need to rejet)
TJ
2005 cr500af
2008 300XC/w
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Xylicon
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Post by Xylicon »

Had the same problem, I'm on my second Clarke cap, I only use pump gas.
97 CR500, 94 CR250, 87 CR125
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MICK
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Joined: June 14th, 2007, 3:43 pm
Location: Destin, FL.

Post by MICK »

My original Clarke cap gave up the ghost after just a couple rides. But the one they sent me to replace it has done just fine. 4 years now. I hope it doesn't fall apart :(
'03 CR500 powered by...umm...a new motor?
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