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Old October 28th, 2016, 05:21 AM   #9
Z1R rider
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Name: Roger
Location: Mitchell, South Dakota
Join Date: Apr 2014

Motorcycle(s): 1978 Z1R, 1999 EX250

Posts: A lot.
MOTY - 2018, MOTM - Oct '16
Quote:
Originally Posted by MagnaMan View Post
Just one vent line from left rear of the tank that routes down below the frame. No charcoal canisters etc.

It's just a solid drip. The fuel tank has gas in it but is about 1/2 inch below the fuel neck at the top of the tank when it's on the side stand. So when it's standing up straight it's little lower. We've had it up to the fuel neck before several times without issue.

That's not a vent line, it's a drain line. It's to drain water (when it rains or from washing) from the indent under the gas cap. If it only drips after you ride or move the bike it maybe just be the gas cap seal, on the other hand if it leaks just setting, untill the fuel gets to a certain level, then the tube inside the tank (from where the hose hooks on at the back of tank and the indent under the cap) is compromised, I couldn't tell you (never paid attention) what runs on the inside of the tank, might be a hose or a length of steel line.


ps: also drains fuel if you overfill
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