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Do 4-Strokes and a power band

By 2Wheels, 13 August, 2006
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I was wondering do the new racing 4-Strokes have power bands like the CRF250R and the YZF250 etc and can they compete against the 250 2-Strokes

tigmaster

18 years 9 months ago

well they do have a power ban

well they do have a power band, every engine has one its just not as noticeable. also 250 4 strokes compete against the 125 2 strokes and 250 2 strokes compete against the 450 4 strokes.

Bman87

18 years 9 months ago

In reply to well they do have a power ban by tigmaster

in a four stroke engine the p

in a four stroke engine the power band is spread out more in which allows the 4 stroke engine to start at a lower rpm then a two stroke. the four stroke engine has this advantage do to the combustion of pure gas instead of a oil and gas mix. the four has more tourque, which is spread out to give a smooth and reliable acceleration. in the 2 the engine has a narrow power band in which gives more of a quick boost at a spcifice rpm. so there is more of a power curve in the four and a power band (Spike) in two stroke.

2Wheels

18 years 9 months ago

In reply to in a four stroke engine the p by Bman87

Thanks

Your comment really makes sence thanks for the info

Cr85DuDE101

18 years 9 months ago

In reply to in a four stroke engine the p by Bman87

Wow check out the big brain o

Wow check out the big brain on that guy could'nt say it any better myself......

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