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Smokey rebore

Posted: Tue Jul 29, 2014 8:49 am
Author: Dodgy Z1B
Would you expect a newly rebored engine to smoke for a while my worry is its a shite rebore job not on my z on an other unmentionable 550 four stroke bike :D the oil scraper rings were a one piece item looked dodgy.

Posted: Tue Jul 29, 2014 9:42 am
Author: mike_p
Are you sure it's the rebore & not the valve oil seals ?

Posted: Tue Jul 29, 2014 12:36 pm
Author: Pigford
Run it in with cheap mineral oil - after a couple hundred miles swap for decent mineral or semi & see how it is.

Don't run it in too conservatively - the bores may glaze over :!:

Posted: Thu Jul 31, 2014 11:27 am
Author: Dodgy Z1B
Thanks valve seals done at same time cheap oil it is wouldn't waste good stuff on it to be honest as it's not a z :D

Posted: Thu Jul 31, 2014 4:02 pm
Author: chrisu
can take a while to bed in - if you've done over 100 miles and its still smoking i'd then be concerned.