revving

Can anyone help?? The bike is over revving when warm. Starts off at a steady rev then when it gets warm starts to over rev at around 4500-5000 RPM. -And the cooling fans don't cut in when they should!?? Just changed my bike into a track tool and carried out the flaper valve modification as...

While riding the bike, I press the clutch and twist a throttle a bit, sometimes engine switches off ... I can not tell that is always, but many times it happens. What is wrong, please help :) My idle is a bit lower ...Could it cause ?

Mille not reving past 5000 RPM New plugs, oil etc. Pump checked compression checked and various timing so any ideas anyone

Hello all, got an 05 Factory which over the last 2 months has been misbehaving, so I sent him to the garage with no food whilst the snow fell. Got the bike out the other day and charged the battery, now I have to say that, previously, when riding the bike, after about 5 mins there would be a...

Howdo boyos, Since buying my new bike, I took it out for a couple of spins, there seems to be a bit of a problem:dunno. It starts fine from cold and drops down off the automatic choke after a few minutes, and then goes ok, but if I stop and restart the bike, it starts to over rev (about...