| Blipping the throttle when at a standstill
A dumps loads a fuel in that the engine carnt burn efficiently (not so much on modern) bikes, but it also bore washes!
also not good for crank/bigend bearings as the inertia is such that the engine prefers to be spinning at 2000 rpm before blipping
Bliping an engine was used when "crash" Non syncromesh gear boxes were about! needed to bring engine reves wheel speed and axle speed into unison!
not realy needed nowadays!.....mav | 
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