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Desperately need help on 87 450L

  • Thread starter Thread starter pearljam724
  • Start date Start date
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pearljam724

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Looking to buy a petcock rebuild kit for an 87 GS450L. I cleaned my carbs a few months ago. After putting everything back together, I am having seldom strange issues. Sometimes the bike is had to start, regardless it runs fine. But, last night the bike was idling at a gas station and I noticed gas leaking from the air box breather down onto the ground. Before I tore the carbs apart everything ran fine. I believe the gas may be coming from the petcock vacuum line or main line. I don't know. Does this petcock kit look to be correct ? And does my petcock look to be original ? Mine seems much smaller than the ebay petcock kit link I posted. Any other reasons for gas to be coming out of the airbox breather ?
http://www.ebay.com/itm/250722871156?ssPageName=STRK:MEW X:IT&_trksid=p3984.m1438.l2649
 
Last edited:
pearljam724 said:
...... But, last night the bike was idling at a gas station and I noticed gas leaking from the air box breather down onto the ground.Before I tore the carbs apart everything ran fine. I believe the gas may be coming from the petcock vacuum line or main line.
Click to expand...
You might indeed need new petcock, but it's also likely that your carb work "disturbed" something ( float height/ needle seat?)
Your petcock looks very similar to mine - see link below (44 mm bolt spacing ??, fuel outlet faces rear). Personally, I'd just replace the whole petcock for $45 and rule it out as a problem, then move on to carbs.Lots of places to buy new petcock

http://www.georgefixs.com/servlet/the-148/SUZUKI-GS450,-GS650,-GS750,/Detail
 
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