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Still got misfire at top end ,everywhere else rev range no problems.Reading through the possible problems it would seem valve clearance and weak mixture are problems found with this engine.Has anyone else just managed to sort this as apart from annoying issue the bike does everything i need but would apprecite any help.Sorry main question was what are the correct inlet and exhaust valve clearance as there appears to be quite a few incorrect settings shown online!
look to the bottom of this page it has a thread that answers your question.
Thanks for your help mjh.the 003/005 setting im assuming you are refering to.thats a 200. Cc engine mines a 250! Any difference .thanks again hope you can clarify as dont want bent valves !
I would follow the spec of the TU250 its the same engine.
http://tu250riders.com/viewtopic.php?f=2&t=371
I had 2 of these bikes and always used the specs for the TU250. Never had any problems other than the bike running a bit lean.
Valve adjustment isn't relevant to the CC rating more to the style of motor and metal expansion etc
200cc specs will be ok
It's a clone of what engine? Stay a little bigger gap in the disc range then there's no possible chance of damage maybe a small tick