SAFETY. Mainly blipping the throttle is used on the downshift to avoid the rear wheel compression-locking. Without getting too technical, the lower the gear the higher the engine revs for the same bike speed. ... Riders talk about “matching engine revs with ground speed”, which simply means increasing revs as you gear down ...
Is blipping the throttle necessary?
Is Blipping Necessary? Some motorcycles benefit from throttle blipping more than others. A big V-twin or single cylinder engine with a lot of engine braking can more easily lock the rear tire if the clutch isn't released carefully, so blipping makes sense.
What does blipping the throttle do?
The throttle blip is used to smooth the transition into the lower gear. ... If you just depress the clutch pedal, drop a gear and release the pedal, the car is going to buck or jerk because the rotational speed of the engine isn't synchronized to the rotational speed of the wheels when the clutch reengages.