If youre talking about a racing scenario a few blips of the throttle prior to punching it wont hurt anything but dont rev your engine up.
If a revlimiter were not in place the engine would have a high likelyhood of experiencing valve to piston contact valve to piston contact occurs when the valve cannot close quickly enough to get out of the way of the piston on an upstroke.
Span classnews_dtoct 17 2010spannbsp0183321turn car or truck on 2put car or truck in park 3when both 1 and 2 steps are completeput foot on gas peddle and press down that is how you rev the engine from rvd3388.
Putting the car in neutral and steping on the gas is this normally done in manual cars in order to peal out and get a faster start an automatic wannabe can do it as well.
Since a motorcycle in the breakin period should avoid a constant engine speed the rider revs the engine what it boils down to is that if you do not breakin your engine you will get bad mileage or even ruin it 2 a repaired engine might also require it it is much easier and cheaper to remove and repair a motorcycle engine than a car engine.
In highrpm applications its best to opt for the largest journal diameter you can get for a specific engine the base circle of a cam lobe is.
Span classnews_dtjan 18 2010spannbsp018332if i rev the engine moderately hard the light goes out and stays out i have checked with multi meter and it seems that the alternator is not charging when the engine is first started after the engine has been revd and the light show more hi when i start the engine on my picasso 18sx the battery light stays on.