2025 Linhai Promax 650L

2025 Linhai Promax 650L Quad Specs

The 2025 Linhai Promax 650L features a 637 / 38.9 engine with Shaft drive. Below are the complete specifications for this Linhai quad bike — engine, dimensions, suspension, brakes, wheels and more.

Advertisement

Engine Spec

Engine Capacity (cc / Ci )637 / 38.9
Engine ValvesSOHC
Valve Configuration4-valves
Total Valves4
Engine Type4-Stroke
Engine CoolingLiquid-cooled
Engine CylindersSingle-Cylinder
Bore Stroke(mm)100.0mm x 82.0mm
Bore Stroke(in)3.94in. x 3.23in.
Compression Ratio10.2:1
Fuel SystemCarburetor
Fuel TypePetrol
IgnitionCDI Electronic

Brakes

Brakes FrontDual hydraulic disc brakes
Front Brake Diameter (mm / in.)220 / 8.7
Brakes RearSealed mechanical drum brake

Suspension

Front SuspensionIndependent double A-arm coil spring oil damped
A-Arm Skid Plate (Front)Yes
Suspension - Front Travel (mm / in.)280 / 11.0
Front Adjustable Fork Pre-LoadNo
Front Adjustable Rebound DampingNo
Suspension RearSwingarm with single shock coil spring oil damped
A-Arm Skid Plate (Rear)No
Swing Arm Skid PlateNo
Rear Travel (mm / in.)280 / 11.0
Rear Adjustable Rebound DampingNo
Rear Adjustable Shock Spring Pre-LoadNo

Dimensions and Weight

Length (mm / in.)2200 / 86.6
Width (mm / in.)1200 / 47.2
Height (mm / in.)1250 / 49.2
Ground Clearance (mm / in.)280 / 11.0
Wheelbase (mm / in.)1400 / 55.1
Dry Weight (Kg / Lbs.)318 / 700

Transmission (Gearbox) and Final Drive

Transmission5-speed manual with reverse
Transmission MakeLinhai
Final DriveShaft
Drive line Modes2WD 4WD
Primary Drive Engine / TransmissionBelt
Primary Drive - Front WheelsShaft
Limited Slip Diff LocationFront
Diff Lock LocationFront
Hi / Low RangeYes
ReverseYes

Tires and Rims

Tire MakeMaxxis
Tube / TubelessTubeless
Tires Front26 x 8-14
Front Tire Diameter (in)26
Front Tire Width (in)8
Front Rim Diameter (in)14
Tires Rear26 x 10-14
Rear Tire Diameter (in)26
Rear Tire Width (in)10
Rear Rim Diameter (in)14
Rim MaterialSteel
Rear Solid AxleNo

Fuel

Fuel Tank Capacity (l / gal.)15.0 / 4.0

Racks and Payload

Front RackStandard
Rear RackStandard

Storage

Fender Storage LocationFront
Front Storage WellStandard
Rear Storage WellStandard
Storage Capacity (Cu. ft)0.33
Storage Capacity (gal)2.5
Storage Capacity (l)9.46

Seats

Seat Height (mm / in.)850 / 33.5
Number Of Seats1
Seat LocationDriver
Seat MaterialVinyl
Seat TypeOne-Piece
Seat AdjustableNo

Towing

Rear HitchReceiver
Towing Capacity (Kg / Lbs.)500 / 1102

Instrumentation

Digital InstrumentationStandard
Trip ComputerStandard
Trip OdometerStandard
ClockStandard
Fuel Level Warning TypeGauge
Hour MeterStandard
Service ReminderStandard
SpeedometerStandard
Temperature Warning TypeLight

Lighting

LightingHalogen
HeadlightsStandard
Halogen HeadlightsStandard

Colours

MetallicNo

Exterior - Safety and Design

Bash Plate (Front)Yes
Bash Plate (Rear)Yes
Body MaterialPlastic
Brush GuardNo
CV Boot CoverNo
Floor Board LocationDriver
Folding Foot PegsStandard
FrameSteel
Front BumperStandard
Front Fender FlairsStandard
Front FenderStandard
Front Stabilizer BarNo
Full Length Skid PlateYes
Hand GripsStandard
Light GuardNo
Radiator GuardYes
Rear FenderStandard
Rear Fender FlairsStandard
Rear Stabilizer BarYes
Shock CoverNo
Snorkel Air IntakeStandard

Steering

Steering TypeManual

Manufacturer and Warranty

Manufacturer CountryChina
Recommend Minimum Age16
Parent CompanyLinhai
Warranty Info12-month limited warranty
Advertisement

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.

Linhai Articles & Guides

Gear Up for Adventure: The Exciting Lineup of 2026 Quad Bikes and ATVs in South Africa

Gear Up for Adventure: The Exciting Lineup of 2026 Quad Bikes and ATVs in South Africa

The hottest 2026 quad bikes and ATVs hitting South Africa: Polaris Sportsman, Yamaha Raptor, CFMOTO, Can-Am Re…

Read more →
Best Budget Quad 2025 – Linhai Rustler 300 4×4 beats price & performance

Best Budget Quad 2025 – Linhai Rustler 300 4×4 beats price & performance

At under R110 000 the 2025 Linhai Rustler 300 4×4 gives you real 4WD, IRS, electric start, tow hitch and a 2-y…

Read more →
More quads than bikes sold in August

More quads than bikes sold in August

Quads sales made up 55.4 percent of the South African motorcycle market during August 2004, according to the l…

Read more →

More Linhai Quads

QUAD-ATV.ZA.NET