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Gas Tank Venting Problems

  • Thread starter Thread starter Anonymous
  • Start date Start date
A

Anonymous

Guest
Hello! I finally got my 1980 GS850GT back together after a new paint job and filled it with gas. After running for 25 miles it started missing and acting as though it was running out of gas. It then stopped running. I switched the select from main to reserve and it started right up and I drove home. I thought that I might have a bad petcock since it has been slowly dripping gas so I replaced it with a Pingel unit. After I installed the Pingel I put about 3 gallons of gas in it and drove about five minutes before it quit again with the same symptoms as last time. I put another gallon of gas in it and it started right up and I drove it home. I think it may be vapore locking up. Has anyone else had this problem? I think the gas tank cap should vent the tank and there is also an overflow tube which may vent the tank. This has been a very good running bike until now and any advise would be appreciatied!
Terry :D
 
try driving around with the gas tank cap slightly open. If the problem persists you know it's not a venting problem
 
If your gas line is too short you could be kinking it during installation. The Suzuki gas line wasn't readily available in town so I replaced mine with 5/16 fuel injection line for the fuel and a 7/32 windshield washer line for the vacuum.

My symptoms where a good idle but no throttle response after warming up for a while. Bad fumes where another problem with a lack of gas.

Steve
 
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