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Old 02-05-2013, 02:12 PM   #6887
Gnarly Adventurer
Joined: Jun 2011
Location: Toukley NSW Australia
Oddometer: 462
I had a similar problem on a yamaha some years ago. Pulled head off, checked valves, cleaned and rebuilt carbs countless times. Bla bla bla. Turned out to be cdi.
If possible, swap for a known good cdi, to eliminate that as a possibity.
Homerb is offline   Reply With Quote