Quote:
Originally Posted by acook3323
Haven't as I don't really know how to do it because ive never had to do it! Is it simple to do?
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It is something that should be done every 6000 miles.
It is easy if you have a shaded place to work and some basic tools.
This is how to:
http://faq.ninja250.org/wiki/How_do_..._the_valves%3F
http://n4mwd.blogspot.com/2013/06/ov...ts-during.html
Backfiring may be caused, among other things, by some loose electrical connector in the ignition circuit:
http://faq.ninja250.org/wiki/Wiring_...s_%26_diagrams
Having no throttle response at all sounds like broken diaphragms of the carbs or incorrectly installed needles:
http://faq.ninja250.org/wiki/How_do_...n_the_carbs%3F
