The last two rides I have been having trouble with my clutch mainly when cold. I start it up and let it warm to about 110 before trying to move it but when i touch the gas it doesnt want to seem to go (clutch not engaged)and then when it does it will lurch ahead hard and either stall or keep rolling ahead until I grab the brake and then usually stall. The clutch is obviously not wanting to engage and then when it does it doesnt want to let go. Im not much of a clutch guy so where do I start to look for or fix the problem?