October 12th, 2017, 11:30 PM | #1 |
ninjette.org member
Name: Joel
Location: Napa, CA
Join Date: Jan 2013 Motorcycle(s): 20' Speed Triple RS - 95 ex250 Posts: 109
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Lots of smoke....piston rings shot?
welp i finally got this 250 running....ish. Still working on the carbs but i noticed when it does run, its making alot of smoke (blueish - gray) and also when it sits on the side stand oil is leaking out of somewhere ( pretty sure its the side case, havent tracked it down yet)
In any case, when this thing was only running on one cylinder due to spark issues, could that have damaged the cylinder / piston rings to the point where they would go bad? Thanks Joel |
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October 13th, 2017, 06:35 AM | #2 |
ninjette.org certified postwhore
Name: Sean
Location: Mary Esther, FL
Join Date: Jan 2009 Motorcycle(s): 2008 Ninja 250 1998 HD Road King Posts: A lot.
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compression test
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http://sandollarmotorcycleclub.com/ |
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October 13th, 2017, 06:51 AM | #3 |
Guy Who Enjoys Riding
Name: Jim
Location: North Carolina
Join Date: Jul 2016 Motorcycle(s): Ninja 250 Posts: A lot.
MOTM - Oct '18, Aug '17, Aug '16
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No, running on one cylinder didn't damage it.
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October 13th, 2017, 09:48 AM | #4 |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
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yeah, the dead cylinder was just coasting along not doing anything.
Compression-test to see condition of the rings and valves. I've got borescope if you want to take a look inside. Although these engines aren't known for burning oil and clogging rings. |
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October 13th, 2017, 10:55 AM | #5 |
Rev Limiter
Name: Jay
Location: WI
Join Date: Jul 2013 Motorcycle(s): '06 SV650n, '00 Derbi GPR, '64 CA77 Dream 305, '70 CL450 Scrambler, numerous dirt bikes Posts: A lot.
MOTM - Jun '18, Oct '16
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Is the airbox dry of any oil?
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