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Old 11-30-2015, 02:25 PM   #6
kz1000st   kz1000st is offline
 
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Join Date: Oct 2008
Location: Hyde Park, NY
Posts: 1,228
The tube is just releasing crud deposits through the crankcase breather into the bottom of the air box. Considering that engine breathers ran open for decades it really isn't a big deal. Exhaust blow white in cold weather anyway so it might just be that you're paying attention to it and seeing it. That hose being open or cracked won't change the way an engine runs.
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2021 Dong Fang Super 200- 1,161 miles
1991 Honda Nighthawk 250- 17,443 miles
2009 CF Moto Fashion- 18,608 miles
1983 Kawasaki 750 Spectre- 47,113 miles
twowheeler.yolasite.com/

That's 30,049 China Scootin miles and Counting.
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