Quote:
Originally Posted by RandomPhantom
.............. Also i did have the choke on for a few before starting and everytime it just started with the choke off and i give it a few blips i have to be really careful on how slow i blip i cause it hesitates like crazy and if i just outright give it gas itll just die. even when slowly giving it throttle i can hear that thing want to die and stall.
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Poor clearance in valves.
Yes, that clearance gets reduced with the usage of the engine and messes the proper timing and breathing, which makes combustion at low rpm's harder to keep.
Also drain the carburetor's bowls and adjust the idle rpm's.
http://faq.ninja250.org/wiki/Draining_the_carbs
http://faq.ninja250.org/wiki/What_is...I_adjust_it%3F
If you ride everyday, the jets and internal passages of the carburetor should be clean.
Sometimes vacuum hoses get old and develop cracks that allow air intrusion.
That also works against a smooth sustainable idle.
Check this out:
http://www.iwemalpg.com/Vacuum_gauge.htm