well if you don't know, you don't know!
plug chop is running the bike at WOT and cutting the engine with the throttle shut off at the same time.
unscrew the plug and check the colour of the white ceramic
macro did a bike lift, I still use mine but I have to take off the exhaust to use it
http://www.hotukdeals.com/deals/motorcycle-lift-jack-34-50-inc-vat-480120