RE: problems:80 Honda CM 400 T/Slow fuel flow/Ignition Mis-Fire

Honda CM 400 discussion forum:


RE: problems:80 Honda CM 400 T/Slow fuel flow/Ignition Mis-Fire

RE: problems:80 Honda CM 400 T/Slow fuel flow/Ignition Mis-Fire 
Cysefin said 2007-10-12 05:41 
 
This is direct from manual:
Regarding Missing at high rpm:
*Fouled or improperly gapped plugs* Improper ignition timing* Clogged Jets in Carbs* Weak CDI pulse generator* Weak ignition coil* Improper valve timing* Obstructed fuel line*
Regarding the bike failing after 30 minutes, I can´t find any reference to that in the book. You would have to ask a mech. It sounds electrical. I would start by replacing your spark plugs... they´re cheap and easy. Then get yourself a manual and ensure that your ignition timing is on the mark. After that, gap your valves. Hope this helps - Rebekah 
 
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