Quote:
Originally Posted by Cherokee
Hello I got a 2006 250R ninja from a friend about to months ago and I am trying to get it fixed. When I got it, it had been sitting for a couple of years. I cleaned the carbs and replaced the head gasket and piston rings. The bike runs at idle but when I give it gas the rpms rev at around 3000 rpm for a couple of seconds before going back down to around 1300. This is the first bike that I have ever worked on so I don't really know to much, just learning as I go, thanks.
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Have you checked the rubber boots that connect the carbs to engine?
The very first time I pulled my carbs out my bike was running pretty crappy, can't recall the exact symptoms but it definitely wasn't the carbs. One of my rubber boots had an itty bitty piece of rubber missing where it mates with the engine side which was causing it to run badly. Once i replaced the bad boot my troubles were solved.
Also another source of woes was making sure that the airbox is properly mounted onto the carbs.
Hope this helps.