SOHC.co.uk Forums > CB350/400

running problem

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steven400/4:
my 400/4 runs ok unless i pull the throttle back fast if i do it just dies if i do it slow it picks up fine and if i put it in 4th gear and hold throttle at 5000 rpm the bike trys to go then backs off and trys to go and backs off just keeps doing that
 >:( >:(

LesterPiglet:
Have your carbs been cleaned recently? Are you using stock air filter and exhaust. Is there crap in your fuel tank?

steven400/4:
everythink is stock and new filters tank and exhaust

LesterPiglet:
Has this just started happening or always been like that? You probably need to take your carbs off and give the jets and orifices a good clean.

steven400/4:
been like it since it went on the road i,m just rebuilding some carbs for one of my other 400/4 looks like i,ll have to put them on this one  >:(

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