OutdoorKing Repair Forum Forums Repairs and Maintenance Questions on Engines Questions On Briggs & Stratton Engines What Horsepower is a B&S 125K02-0253-E1?

Hello all,
I have a Craftsman 21" mower with a B&S 120K02-0253-E1 - 03010757. Does anyone know what cubic capacity is the engine please?
It says 6.75 on the engine sticker.

125K02-0253-E1 6.75 Gross HP 190cc (11.6 CI) just short the 12 CI indicated by the model number.

Many thanks AVB
I knew you would have the answer.

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Jack

Ok AVB I have one, I think this is the numbers 129802 0412

129802-0412-01
5.5 Gross HP 190cc

Thanks AVB, any idea how they vary the gross HP with the same cc

Not an engineer but I assume it something to do with timing and valve duration.

I learnt with some old 2 stroke outboards they just constrict the inlet with a metal ring insert to lower the HP to what they wanted.

Thanks reminding me to mention that on some engines do have restrictor plates are used much like they do auto racing to keep the horse power down. I don't think they were used on the smaller Briggs engines. I do see them sometimes on the v-twins.