Gas Tank Venting
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Gas Tank Venting
Is there such a thing as gas gap that can shut off the vent when setting down on the jiffy stand? I usually keep a non vented cap in my pocket but I often forget to switch while riding. Has anyone ever done it as a DIY trick?
Thanks,
Sam
Thanks,
Sam
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Re: Gas Tank Venting
Through 1964 both tanks are vented. It wasn't until the upper tank vent crossover line was added that the left tank became unvented. And the unvented caps are longer than the vented ones so that they do not interchange (if you try putting a unvented cap on an early tank it won't tighten, just spin). A 45 oil tank cap is unvented and would fit an early tank. But why? Being aware of the fuel level has always worked.
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Re: Gas Tank Venting
It's been awhile since this bike was a daily ride. When I put it back in service I put a vented cap on the left tank and a non vented cap on the right. After a short time, the fuel stopped flowing. I switched the caps, same problem. I don't remember using two vented caps but I guess that's the why HD did it that way.
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Re: Gas Tank Venting
Original 57 FL 3 1/2 gal. Tanks. This was a Mass State Police bike. Orig shut off rod, no upper vent line.
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Re: Gas Tank Venting
Hey everyone, does anyone have a picture of the bottom of each cap, vented and non vented?
Thanks rich
Thanks rich
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Re: Gas Tank Venting
I believe you could plug the 2 vent holes on the underside with plastic, wood, glue, etc... I haven't tested this.