piston rings/head gasket/valve seals? - 600RR.net
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post #1 of 3 (permalink) Old 08-24-2009, 08:44 PM Thread Starter
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piston rings/head gasket/valve seals?

So i just bought an rr a couple weeks ago with 19K miles on it. It has no trouble starting up and i ride it almost every day. But two or three times when i start it cold blue smoke (burning oil) comes out of the pipe for a minute or so then stops when its warmed up. Im leaning toward piston rings because things expand when they get warmed up and theres a better seal. I havnt noticed any on deceleration but then again its hard to look back, so none noticable in my mirrors at lease. I will complete a compression and/or leak down test soon, but im not sure if i can nail it down further because i know ill be able to tell that air is going into the oil but dont know where from. Is there anything i can do to isolate the problem before doing a complete rebuild or new motor? i find it odd that in the dozens of times ive started it cold already, it has only smoked a couple.

ps. it has scoprion exhaust and pc3 (dont know what map, theres no scorpion map i havnt changed it since i bought it)

Last edited by sleepygreen; 08-24-2009 at 09:02 PM.
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post #2 of 3 (permalink) Old 08-24-2009, 10:09 PM
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valve seal when the bike sits the oil seeps past the seal and makes it into the engine . if it were rings its smoke all the time .

07 600rr pearl white (sold)
07 s2000 232whp white (sold)
05 4runner black (sold )
98 prelude 287whp na (sold)
09 civic si 236whp taffy white (sold)
06 civic si cp black ( current daily )
13 cbr1000rr red (current project )
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post #3 of 3 (permalink) Old 08-24-2009, 10:12 PM
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by the way if you want to test it do a leak down tells you a little more than a compression test . if its the rings you will be able to pull off the oil cap and hear and feel air coming out . seriously doubt its rings . if your gonna check do a leak down . id be willing to bet its a valve seal though if you have the right tools you can change it without removing the head . good luck .

07 600rr pearl white (sold)
07 s2000 232whp white (sold)
05 4runner black (sold )
98 prelude 287whp na (sold)
09 civic si 236whp taffy white (sold)
06 civic si cp black ( current daily )
13 cbr1000rr red (current project )
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