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Old 11-30-2015, 01:25 PM   #6
kz1000st   kz1000st is offline
 
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Join Date: Oct 2008
Location: Hyde Park, NY
Posts: 1,062
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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2008 Eagle Milano 150- 9,679 miles
2009 Honda Rebel 250- 10,434 miles
2009 CF Moto Fashion- 16,023 miles
2009 MC-114 50cc Cub Clone- 4,317 miles
twowheeler.yolasite.com/

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