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Vapor lock can be caused by many different things, all coming down to the same root cause: too much heat in the fuel feed lines.
Low fuel pressure can cause the amount of heat needed to vapor lock to be lower than normal, so checking fuel pressure is important. Fuel pump going out feels a lot like vapor lock.
Engine overheat can also cause vapor lock. Clogged fuel filter can cause vapor lock. The fuel line should be routed away from the exhaust system.
Take a look at the automatic choke. On my Znen 150T-18 I had the same problem. The automatic choke was stucn the on position. It would start then when it warmed up the choke would stay on instead of turning off. The engine would turn off.
hi,sounds like your voltage regulater has failed,it is supplying to much voltage to the bulb and causing it to burn out,if you dont have a voltmeter take the bike to a garage and check the voltage ,with the bike running at about 2500rpm,the meter shouldnt read more than about14.2-15.0v,if it does,that means it is faulty,hope this helps...cheers
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