426 Starting


3 replies to this topic
  • Chris_567

Posted July 13, 2007 - 04:06 PM

#1

I recently bought my 1st bike a 2001 YZ 426. I have searched and have the starting procedure down but have a question. I havn't had it since new and want to know if this is normal or I should have it checked.

Sometimes when starting the bike I will kick it down until the kickstarter is hard then pull the decomp and start it and it will kick over and fire fine.

Other times it seems that when I try kicking after pulling the decomp and returning the starter to the top that it kicks a couple inches then gets immediately hard. Not just for 1 kick but sometimes many kicks and is frustrating when hot. It sounds different and doesn't even try to start. Is it on the wrong stroke or broken?

I know it has to be on the compression stroke, so does this mean that I am trying to start it on the exhaust stroke or should I have the bike checked.

  • grayracer513

Posted July 13, 2007 - 04:21 PM

#2

Sounds like you are prepositioning the engine incorrectly for the starting kick.

Watch:

http://www.yamaha-mo...troke_vid_a.mpg

http://www.yamaha-mo...troke_vid_b.mpg

Requires QuickTime or a player capable of playing QT files.

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  • shanedut

Posted July 13, 2007 - 08:50 PM

#3

Another good one that tells you about starting procedures and other helpful tips is http://www.thumperfaq.com

  • felix 222

Posted July 13, 2007 - 09:19 PM

#4

sounds like you are returning all the way to the top before kicking through





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