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Old 10-06-2012, 12:39 PM   #28
Gnarly Adventurer
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Joined: Jan 2008
Oddometer: 376
Originally Posted by nanno View Post
More likely because the inner tubes have fallen to bits due to moisture.
I wasn't aware that Japanese bikes even had dual-walled headers, I remember my GS1000 started bluing the exhaust after I rode it 'vigorously' in cool weather (dense air), maybe 10% ethanol crap gas has negative consequences as well, they weren't blue up until that point, the bike hadn't been ridden a whole lot for years before I got my hands on it.
1977 Yamaha XS500C cross country veteran
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