Check your balls!

DAMN maintenance and repair thread; including Farkle Fests! :boohoo:
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phoo
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Check your balls!

Post by phoo »

The Husky that I bought has pissed gas out of the cap at a blistering pace since the day I bought it, any time it fell on its side (if you've ridden with me, you know that happens a lot!). So I bought a brand new OEM cap and as I went to put it on, I heard it rattle. I check my old one. No rattle. Huh, weird. I open up the new one thinking maybe it's messed up (it was really, really, *really* hard to take off once put on the tank so I thought it might have had an issue. This was fixed by forcing the button to actuate a few times using something hard to push on it to loosen it up). Anyway, I see a check ball inside the cap for blocking fuel when the bike is on its side. I open up the cap that came with the bike, and *someone had removed the check ball!* I suspect it was the owner before the guy I bought it from, removing the ball because he thought it reduced fuel flow because I think he did a lot of riding in sumo configuration.

Anyway, long story short -- I could have fixed my existing gas cap with a 20 cent ball bearing instead of a $35 replacement cap. Now I just need to take the time to measure my balls and get a replacement to fix the old one and throw it into the "spares box."


~Patrick
2003 Triumph Sprint ST :: 2004 Suzuki SV650R
2016 Beta 300RR :: 2006 Suzuki DRZ400SM
1975 Harley FXE1200
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juddspaintballs
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Re: Check your balls!

Post by juddspaintballs »

Measuring your balls with a micrometer?
2024 Husqvarna 701 Enduro
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Bucho
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Re: Check your balls!

Post by Bucho »

phoo wrote: Thu Apr 30, 2026 2:08 pm The Husky that I bought has pissed gas out of the cap at a blistering pace since the day I bought it, any time it fell on its side (if you've ridden with me, you know that happens a lot!). So I bought a brand new OEM cap and as I went to put it on, I heard it rattle. I check my old one. No rattle. Huh, weird. I open up the new one thinking maybe it's messed up (it was really, really, *really* hard to take off once put on the tank so I thought it might have had an issue. This was fixed by forcing the button to actuate a few times using something hard to push on it to loosen it up). Anyway, I see a check ball inside the cap for blocking fuel when the bike is on its side. I open up the cap that came with the bike, and *someone had removed the check ball!* I suspect it was the owner before the guy I bought it from, removing the ball because he thought it reduced fuel flow because I think he did a lot of riding in sumo configuration.

Anyway, long story short -- I could have fixed my existing gas cap with a 20 cent ball bearing instead of a $35 replacement cap. Now I just need to take the time to measure my balls and get a replacement to fix the old one and throw it into the "spares box."


~Patrick
Its nice you figured out the issue
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