Is tank vent hose necessary?
#1
#3
Join Date: Dec 2016
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If you just run the vent hose (no can) you are venting to atmosphere. I would keep it, in the event of the tank being full to the brim (yah it happens, lets be honest here) the vent will probably weep a bit. Or while riding you may splash some up onto your vent and it may weep. With no hose it will weep onto the top of the frame and the wiring that runs down your top tube and also probably onto the top of the motor.
#5
Yes keep the vent line as you probably don't have a vented gas cap on a CA bike, there are small filters that look like tiny K&N's that people use for crankcase vent lines, you could use one of those if you want, here are some images.
https://www.google.ca/search?q=crank...w=1680&bih=919
https://www.google.ca/search?q=crank...w=1680&bih=919
#6
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#9
Personally I would run a nice looking hose like a braided stainless hose down to the bottom of the bike and if you want a filter put it at the end, that way if there is any gas overflow thru the vent line it will drip on the ground instead of all over your leg.
The filter really isn't necessary and will serve no usefull purpose on a tank vent.
The filter really isn't necessary and will serve no usefull purpose on a tank vent.