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Help Running Issue!!!!!!

Maximum Motorsports

CB750 New member
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I have a 1982 CB750 Custom that I can figure out!! When you are riding the bike and you slow down and apply the brake the RPM's increase and when you put the bike on the kickstand the idle speed changes. I have cleaned the carbs four times, replaced the air cut off valves, replace the accel diaphragm, replaced the felt seals on the throttle shafts, cannot find any air leaks, Checked timing replace plug wires and boots. With the bike on the lift and bounce the front end to cause the front end to dive it increases the idle speed 1000 to 2000 RPM. Anybody have any idea's? Help
 
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