Join Date: Oct 2010
|Carbs and Fuel System
From the gas tank to the carbs
All fuel system discussion
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Apparently, the '85-'87 model gas cap vent system vents directly (although no one seems to know how), while on later models it vents through a tube in the gas tank, under the seat and out a rubber vent tube. So, using an '85 gas cap on an '85 gas tank should be fine.
However, I assumed that the original poster would use the 2000 model year gas cap on the '85 model year gas tank to retain the use of a single key for ignition/gas cap. Swapping out the key cylinder from the 2000 gas cap to the '85 is another option, if the '85 cap is available.
Does any know if a later model gas cap, designed to vent through the tube in the gas tank, will work on an '85 tank which is designed to vent directly?