palanchou Posted July 30, 2011 Share Posted July 30, 2011 hi, have just rebuilt a dt50 mx . willnot start, ive had an onersizd rebore, checked timing, cleaned carb, 6 times. read somewhere crankcase could by now have fuel in it. on my old bsa bantam it had a drain plug fitted. has any one ever fitted one? thanks bill j. Link to comment Share on other sites More sharing options...
Moderator Airhead Posted July 30, 2011 Moderator Share Posted July 30, 2011 is the plug getting wet bill? these bikes dont have a crankcase drain, you have to leave the plug out and let it stand for quite a time until it evaporates off. so you need fuel? spark? and compression? but i expect you know that already. Link to comment Share on other sites More sharing options...
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