The Ricky Power Sports RPS Muscle 300cc Utility EFI 4WD ATV – LH-300ATV-EFI is a high-performance all-terrain machine built for serious off-road adventure and utility. Equipped with a 300cc–class fuel-injected engine and selectable 4WD capability, this ATV brings superior power, control, and traction for tackling rugged trails or everyday tasks. Its automatic transmission, electric start, and durable shaft-drive system make for smooth, reliable operation.
With robust suspension, hydraulic disc brakes, and large off-road tires, the Muscle 300 delivers premium performance in a sport-utility package. Whether you're exploring new terrain or getting work done, this ATV offers the ultimate blend of strength, versatility, and fun.
Features
✅ 300cc fuel-injected engine and selectable 4WD deliver strong power and excellent off-road traction.
✅ Automatic transmission with high and low range plus reverse offers user-friendly operation and great control.
✅ Shaft-drive final drive system for durability and low maintenance compared to chain drives.
✅ Independent suspension and hydraulic disc brakes on all wheels for improved ride comfort and stopping performance on rough terrain.
✅ Large off-road tires and rugged utility-ready frame make it ideal for sport riding and utility use.
✅ Electric start and EFI engine for reliable start-ups and efficient performance.
✅ Sport-utility design blends high-performance specs with everyday use for property work, trail riding, and more.
Specifications
| Category |
Details |
| Engine / Drive Train Specifications |
|
| Engine |
275cc, 4-stroke, Balance Shaft |
| Cylinder Arrangement |
Single cylinder |
| Max Horsepower |
21.46 HP @ 7500 RPM |
| Max Torque |
16.96 ft-lb @ 5500 RPM |
| Bore × Stroke |
2.85 × 2.63 inches |
| Compression Ratio |
10.3 : 1 |
| Cooling System |
Water cooled |
| Transmission |
Fully automatic with High & Low speed, Reverse |
| Start System |
Electric start |
| Ignition |
TCI |
| Final Drive |
Shaft drive (2WD or 4WD) |
| Max Speed |
50 MPH |
| Battery |
12 V 14 Ah |
| Frame / Body / Suspension / Brakes |
|
| Front Suspension |
McPherson independent suspension |
| Rear Suspension |
Swing arm with central shock absorber structure |
| Front Brake |
Hydraulic disc brake |
| Rear Brake |
Hydraulic disc brake |
| Front Tires |
24 × 8 – 12 Alloy Rim |
| Rear Tires |
24 × 11 – 10 Alloy Rim |
| Capacities / Dimensions |
|
| Max Load |
529.2 lbs |
| Gross Weight |
762.1 lbs |
| Net Weight |
729.86 lbs |
| Overall Length |
83 inches |
| Overall Width |
46 inches |
| Overall Height |
50 inches |
| Carton Dimensions (L × W × H) |
88.59 × 46.07 × 33.67 inches |
| Seat Height |
34 inches |
| Wheelbase |
51 inches |
| Ground Clearance |
7.2 inches |
| Gas Tank Capacity |
3.7 gal |
| Fuel Consumption |
30.2 mpg |
| Others |
Bluetooth speaker, winch |
| Available Colors |
Black, Red, Sand, Grey, Conceal Camo |