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The CDI timing is locked in by the key in the flywheel (or so I just read). The valve setting is as such:
how do you set timing on a lifan 200cc trail bike?
the bike does not have a timing chain it have pushrod how do set the timing do any one know
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Set the piston at top dead center (TDC), position the cam so that both valves are closed then assemble.
That engine is based on a Honda engine. The Honda has an overhead cam that is driven by a cam chain. The cam drives rocker arms that open the valves. So your statement about push rods sounds fishy.
Sounds like you have a Lifan 50cc motor to begin with. The loose and disconnected wires are more of a concern to me and without enough information to properly answer the question my suggestion would first to isolate those loose connections by applying electrical tape so that those wires that are exposed so that they do not ground out and short out the CDI, it is very possible that you may have damaged your CDI which is the Computer that controls the motor, spark and other electrical components on the motorcycle itself. Fortunately the CDI’s for Lifan engines can be easily and cheaply sourced on eBay or Amazon but be sure to choose wisely— there are many out there so pay attention to part numbers which may be stamped on the CDI. As For finding an electrical schematic that is going to be a far more difficult task and quite frankly may not be necessary in your case I would start with first taking care of those loose wires followed by checking and or replacing your CDI and see what that will get you. Be sure your battery is properly load tested and charged and GROUNDED properly
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