lots
40 stock
i have an rm 250 1990, it has 54 HP
35 at peak according to http://Suzukicycles.org
Stock 04 250 EXC has29 hp.
The Suzuki RM250 had about 48 horsepower at maximum output. It was an effective two stroke machine that won many awards.
Some where around 56 hp at the crank.
250
250
21 horsepower
The Yamaha VStar 250 has about 21 horsepower. The Honda Rebel has about 17.
It should be making around 84hp and 103 ft*lb of tq.
I believe it's about 28 horsepower.