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Old October 12th, 2019, 01:51 PM   #6
Triple Jim
Guy Who Enjoys Riding
 
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Name: Jim
Location: North Carolina
Join Date: Jul 2016

Motorcycle(s): Ninja 250

Posts: A lot.
MOTM - Oct '18, Aug '17, Aug '16
Quote:
Originally Posted by Zaph42 View Post
Check your crankcase vent to make sure it's not blocked and building up pressure inside there. That's the only time I've ever seen those pop out. Kinked hose where you don't expect is what I'm thinking if the actual vent is clean. Check the whole run. It only ever pops out from excessive pressure.
Is this a core plug in the water jacket? I can't imagine the hole opens directly into the crankcase.
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