For the same reason why muscle cars and sport cars rev their engines.
on 5occ - 150cc gy6 qmb or qmj engines the rev limiter is part of the cdi programming.
Rev the engine six or seven times before coming to a complete stop. Rev it all the way to the edge every time you stop.
As far I know, there are no physical rev limiter. In fact, in most electronically controlled fuel injected engines, rev limiter is controled by ignition module.
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your air/fuel ratio
that isn't always true. however, smaller engines are made towards higher rpm's. and also rev up faster. larger engines are more for torque, and smaller engines are more compact and for lighter cars.
Some Small displacement Motor cycle engines often have a Rev Limiter in the ignition system Most industrial engines have a govener incorporated.
Reverend is commonly abbreviated as Revd and Rev. (the period/full stop is necessary in the latter abbreviation)
The issue is that diesel engines, while they produce a whole lot of torque, cannot rev nearly as high as comparable gasoline engines. And since:horsepower = (torque*engine speed) / 5252If your engine won't rev past 3000 rpm, you'll always have less peak horsepower than torque. As for why they can't rev higher, they're limited by either the burn rate of the fuel per ignition stroke, the mechanical limitations due to the longer piston rods/crank lobes, or both.
The rev limiter is part of the rotor arm so you need to replace the rotor arm with one that has no rev limiter,but it does have it for a reason !!!! to stop you blowing the engine up
Because different engines have different advantages. Steam engines can be run from anything that burns, but are big and heavy. 2-stroke (gasoline) engines has great power-to-weight ratio, but tend to use a lot of fuel and create a lot of emissions. 4-stroke Diesel engines tend to run rougher and don't rev as high as gasoline engines but are more fuel efficient and often have more torque.
Castrol 20/50, best oil for small hi rev engines.