Change the oil, Oil filter and coolent level.
Check brake fulid level and brake pad wears.
Check clutch adjustment.
Air pressure levelled, wheel rotation and cush rubbers
Look over the sprokets and chain for any wear, clean the chain and lubricate it.
Drain and replace old fuel if it is still from so long.
Battery terminals to be cleared and connections to be tightened.
Remove any debris and replace filter, if it is dirty.
Test all lights, confirm throttle brakes and clutch cables opreates smoothly.