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Engine Spec
| Engine Capacity (cc / Ci ) | 637 / 38.9 |
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| Engine Valves | SOHC |
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| Valve Configuration | 4-valves |
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| Total Valves | 4 |
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| Engine Type | 4-Stroke |
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| Engine Cooling | Liquid-cooled |
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| Engine Cylinders | Single-Cylinder |
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| Bore Stroke(mm) | 100.0mm x 82.0mm |
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| Bore Stroke(in) | 3.94in. x 3.23in. |
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| Compression Ratio | 10.2:1 |
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| Fuel System | Carburetor |
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| Fuel Type | Petrol |
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| Ignition | CDI Electronic |
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Brakes
| Brakes Front | Dual hydraulic disc brakes |
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| Front Brake Diameter (mm / in.) | 220 / 8.7 |
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| Brakes Rear | Sealed mechanical drum brake |
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Suspension
| Front Suspension | Independent double A-arm coil spring oil damped |
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| A-Arm Skid Plate (Front) | Yes |
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| Suspension - Front Travel (mm / in.) | 280 / 11.0 |
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| Front Adjustable Fork Pre-Load | No |
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| Front Adjustable Rebound Damping | No |
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| Suspension Rear | Swingarm with single shock coil spring oil damped |
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| A-Arm Skid Plate (Rear) | No |
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| Swing Arm Skid Plate | No |
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| Rear Travel (mm / in.) | 280 / 11.0 |
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| Rear Adjustable Rebound Damping | No |
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| Rear Adjustable Shock Spring Pre-Load | No |
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Dimensions and Weight
| Length (mm / in.) | 2200 / 86.6 |
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| Width (mm / in.) | 1200 / 47.2 |
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| Height (mm / in.) | 1250 / 49.2 |
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| Ground Clearance (mm / in.) | 280 / 11.0 |
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| Wheelbase (mm / in.) | 1400 / 55.1 |
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| Dry Weight (Kg / Lbs.) | 318 / 700 |
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Transmission (Gearbox) and Final Drive
| Transmission | 5-speed manual with reverse |
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| Transmission Make | Linhai |
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| Final Drive | Shaft |
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| Drive line Modes | 2WD 4WD |
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| Primary Drive Engine / Transmission | Belt |
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| Primary Drive - Front Wheels | Shaft |
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| Limited Slip Diff Location | Front |
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| Diff Lock Location | Front |
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| Hi / Low Range | Yes |
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| Reverse | Yes |
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Tires and Rims
| Tire Make | Maxxis |
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| Tube / Tubeless | Tubeless |
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| Tires Front | 26 x 8-14 |
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| Front Tire Diameter (in) | 26 |
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| Front Tire Width (in) | 8 |
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| Front Rim Diameter (in) | 14 |
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| Tires Rear | 26 x 10-14 |
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| Rear Tire Diameter (in) | 26 |
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| Rear Tire Width (in) | 10 |
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| Rear Rim Diameter (in) | 14 |
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| Rim Material | Steel |
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| Rear Solid Axle | No |
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Fuel
| Fuel Tank Capacity (l / gal.) | 15.0 / 4.0 |
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Racks and Payload
| Front Rack | Standard |
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| Rear Rack | Standard |
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Storage
| Fender Storage Location | Front |
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| Front Storage Well | Standard |
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| Rear Storage Well | Standard |
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| Storage Capacity (Cu. ft) | 0.33 |
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| Storage Capacity (gal) | 2.5 |
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| Storage Capacity (l) | 9.46 |
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Seats
| Seat Height (mm / in.) | 850 / 33.5 |
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| Number Of Seats | 1 |
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| Seat Location | Driver |
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| Seat Material | Vinyl |
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| Seat Type | One-Piece |
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| Seat Adjustable | No |
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Towing
| Rear Hitch | Receiver |
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| Towing Capacity (Kg / Lbs.) | 500 / 1102 |
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Instrumentation
| Digital Instrumentation | Standard |
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| Trip Computer | Standard |
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| Trip Odometer | Standard |
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| Clock | Standard |
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| Fuel Level Warning Type | Gauge |
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| Hour Meter | Standard |
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| Service Reminder | Standard |
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| Speedometer | Standard |
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| Temperature Warning Type | Light |
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Lighting
| Lighting | Halogen |
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| Headlights | Standard |
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| Halogen Headlights | Standard |
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Exterior - Safety and Design
| Bash Plate (Front) | Yes |
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| Bash Plate (Rear) | Yes |
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| Body Material | Plastic |
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| Brush Guard | No |
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| CV Boot Cover | No |
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| Floor Board Location | Driver |
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| Folding Foot Pegs | Standard |
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| Frame | Steel |
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| Front Bumper | Standard |
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| Front Fender Flairs | Standard |
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| Front Fender | Standard |
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| Front Stabilizer Bar | No |
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| Full Length Skid Plate | Yes |
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| Hand Grips | Standard |
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| Light Guard | No |
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| Radiator Guard | Yes |
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| Rear Fender | Standard |
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| Rear Fender Flairs | Standard |
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| Rear Stabilizer Bar | Yes |
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| Shock Cover | No |
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| Snorkel Air Intake | Standard |
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Manufacturer and Warranty
| Manufacturer Country | China |
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| Recommend Minimum Age | 16 |
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| Parent Company | Linhai |
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| Warranty Info | 12-month limited warranty |
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2025 Linhai Promax 650L — Frequently Asked Questions
What engine does the 2025 Linhai Promax 650L have?
The 2025 Linhai Promax 650L is powered by a 637cc 4-stroke engine that is liquid-cooled.
What transmission and drive does the 2025 Linhai Promax 650L have?
The 2025 Linhai Promax 650L uses a 5-speed manual with reverse transmission with 2WD 4WD drive.
How much does the 2025 Linhai Promax 650L weigh?
The 2025 Linhai Promax 650L has a dry weight of approximately 318 kg. Note that dry weight excludes fuel, oil and rider — add roughly 15–20 kg for a full tank of fuel.
What can the 2025 Linhai Promax 650L tow?
The 2025 Linhai Promax 650L has a rated towing capacity of around 500 kg, making it suited to farm, game-reserve and utility work.
What brakes does the 2025 Linhai Promax 650L have?
The 2025 Linhai Promax 650L is fitted with dual hydraulic disc brakes at the front and sealed mechanical drum brake at the rear.
What is the seat height of the 2025 Linhai Promax 650L?
The 2025 Linhai Promax 650L has a seat height of about 850 mm, which is typical for a utility ATV.
How big is the 2025 Linhai Promax 650L fuel tank?
The 2025 Linhai Promax 650L holds approximately 15.0 litres of fuel. This is adequate for most day rides and farm use.
What age is the 2025 Linhai Promax 650L suitable for?
The manufacturer recommends the 2025 Linhai Promax 650L for riders aged 16 and older. Adult supervision is advised for young riders.
Where is the 2025 Linhai Promax 650L made?
The 2025 Linhai Promax 650L is manufactured in China.
Is the 2025 Linhai Promax 650L available in South Africa?
Linhai quad bikes and ATVs are sold through dealers across South Africa, though availability of specific model years varies. Check with your nearest Linhai dealer for current stock, pricing and spares.