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213 Posts
I went for a short ride today. I parked in the garage, and while I was fiddling with some other stuff, my '09 650 (1,200 miles) made an odd sound. I would describe it as a moaning/whining/whistling sound. It lasted about two seconds. Then, five minutes later, I heard it again. I waited a few minutes, then jostled the bike, and it did it again!
I looked through the search threads, and found a post about the same thing, and some riders said it was a gas vent valve, farting vapors.
Is that indeed what I'm hearing? The tank is about 3/4 full, and it's 80 degrees. The scoot runs fine. But if I remove the gas cap, let it burp, then remove it again five minutes later, I get another burp. Is this normal for the 650? Should it be building pressure in the gas tank so quickly?
I looked through the search threads, and found a post about the same thing, and some riders said it was a gas vent valve, farting vapors.
Is that indeed what I'm hearing? The tank is about 3/4 full, and it's 80 degrees. The scoot runs fine. But if I remove the gas cap, let it burp, then remove it again five minutes later, I get another burp. Is this normal for the 650? Should it be building pressure in the gas tank so quickly?