150cc RPS Viper Dirt Bike The 150cc RPS Viper Dirt Bike is built for riders who want more speed, power, and control on every ride. Powered by a 149cc 4-stroke engine, it delivers impressive acceleration, smooth power delivery, and a top speed of 55 mph, making it a great choice for experienced teens and adults looking for a serious off-road machine. The 5-speed manual transmission with clutch gives riders full control and a true motocross experience, while the kick start ensures reliable starts and low maintenance. With a 9.5-inch ground clearance, 32-inch seat height, and strong 198 lb frame, the Viper handles rough trails, jumps, and dirt tracks with confidence and stability. Designed with a durable steel frame and responsive suspension, the RPS Viper is made to perform under tough conditions. Measuring 75 inches long and 39.5 inches wide, it provides excellent balance, traction, and control — perfect for riders ready to take their dirt biking to the next level. Specifications: • Engine: 149cc, 4-stroke, air-cooled • Transmission: 5-speed with clutch (manual) • Starter: Kick start • Top Speed: 55 mph • Max Load: 190 lbs • Net Weight: 198 lbs • Ground Clearance: 9.5 inches • Dimensions (L×W×H): 75″ × 39.5″ × 47.5″ • Seat Height: 32″ • Features: 5-speed manual transmission, high ground clearance, durable steel frame, trail and track ready Price in cash, excludes sales tax 6%. No hidden fees. $ 1,600 in the crate, Not assembled. $ 1,800 Fully assembled, inspected, and Ready to ride.