4RWF V8

2010 Cosmos Muscle Bikes 4RWF V8 Technical Analysis & Specification Breakdown

Engineered by Cosmos Muscle Bikes for the sport motorcycle segment, the 2010 Cosmos Muscle Bikes 4RWF V8 relies on a 5735.8 cc (350 cu in) liquid-cooled v8, four-stroke powerplant. In factory specification, peak output is rated at 350 HP (255.5 kW) at 5,250 rpm. With a specific output of 61 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the 4RWF V8 measures 475 kg (1047 lbs) dry, translating to a power-to-weight ratio of 0.74 HP/kg (1.36 kg per horsepower). Rider ergonomics and chassis geometry center around a 700 mm (27.6 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 2,030 mm (79.9 in) wheelbase engineered for planted straight-line stability. The 22-liter (5.8 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Within MotoLibrary's Cosmos Muscle Bikes archive, this model family spans 2 indexed model years from 2010 to 2011, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.