We have an Apex 50cc. What does it take to upgrade the engine to 90 or 100cc. My son hasn't ridden it in 3 years, and now he's 11 years old and weighs 105 lbs lol. 50cc's isn't going to cut it for him.
We have an Apex 50cc. What does it take to upgrade the engine to 90 or 100cc. My son hasn't ridden it in 3 years, and now he's 11 years old and weighs 105 lbs lol. 50cc's isn't going to cut it for him.