The power of a Honda 250F dirt bike should be sufficient for trail riding for someone who weighs 220 pounds (100 kilograms). The Honda CRF250F, for example, is designed as an entry-level trail bike and offers a good balance of power and maneuverability for off-road riding.
While the power output of a dirt bike is important, factors such as rider skill, riding technique, and terrain also play significant roles in determining performance. A 250cc dirt bike can provide ample power for trail riding, including climbing hills, navigating through rough terrain, and maintaining reasonable speeds.
Some riders may prefer more power for aggressive off-road riding or if they plan to ride in more demanding terrains. If you have specific riding requirements or preferences, it's advisable to test ride the bike or consult with experienced riders who have similar body weights and riding styles for their insights.
Ultimately, the suitability of a dirt bike's power for trail riding depends on various factors, including rider experience, terrain conditions, and the specific model's power characteristics. It's recommended to test ride different bikes, consider your own skill level, and match the bike's power to your riding needs and preferences.