| An IRK will produce more power....Maybe and I say maybe the peak power may be similiar to a stock ignition but throughout the power curve it will be higher and hit the marks alot quicker.......It is all about throttle response on engines this little and low on HP.....
Most of the power on these engines is in the cylinder head...displacement does matter but as many have stated a stock 125cc engine can not keep up with a properly built 88 with a good head.....
With this in mind go for the head/carb/exhaust and you'll make the best power for the money.....The IRK will allow your engine to rev up quicker and have quicker out of the hole power but sometimes this can get you into trouble.....
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