How much horsepower does a stock 2006 Yamaha raptor have?"
An 80cc Yamaha raptor typically has 3.5 horsepower
18HP stock. The Raptor has around 23 because of better carb etc.
The Yamaha Raptor 250 has about a 17 horsepower motor. However, when you start modifying them they open up quite a bit.
The Raptor 660 has about 38 to 40 horsepower in the stock engine. This can be modified to increase the horsepower.
normally they are not measured in horsepower but i believe it is around 30 hp
Stock around 35-40
3,5hp
38hp stock
17hp
152
It will gain about 2 to 3 horsepower when jetted