2 of 3 selected:
Honda TRX 90XHonda TRX 90X×
Yamaha YFZ 50Yamaha YFZ 50×
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Key Specs at a Glance

Engine
86 / 5.25
49 / 2.99

Full Specifications

2020 Honda TRX 90X× Remove2020 Yamaha YFZ 50× Remove
Engine Spec
Engine Capacity (cc / Ci )86 / 5.25 ✓49 / 2.99
Exterior - Safety and Design
FrameSteelSteel
Folding Foot PegsNoNo
Foot Peg LocationDriver–
Brush GuardNoNo
Body MaterialPlasticPlastic
Bash Plate (Front)YesYes
Comfort
Adjustable ThrottleStandardStandard
Colours
MetallicNoNo
Windshield
TintedNo–
Exterior - Safety and Design
Front BumperStandardStandard
Seats
Lumbar AdjustmentNo–
Seat TypeOne-PieceOne-Piece
Seat MaterialVinylVinyl
Seat LocationDriverDriver
Number Of Seats11
Seat Height (mm / in.)660 / 26584 / 23 ✓
Fuel
Fuel Tank Reserve (l / gal.)1.1 / 0.3–
Fuel Tank Capacity (l / gal.)6.4 / 1.75.7 / 1.5
Tires and Rims
Rear Solid AxleYesYes
Rim MaterialAluminumSteel
Seats
Seat AdjustableNoNo
Exterior - Safety and Design
Front FenderStandardStandard
Front Stabilizer BarNo–
Hand GripsStandardStandard
Radiator Guard–No
Floor Board Location–Driver
CV Boot Cover–No
Bash Plate (Rear)–No
Lighting
Headlights–Standard
Lighting–Halogen
Tires and Rims
Tube / Tubeless–Tubeless
Transmission (Gearbox) and Final Drive
Hi / Low Range–No
Suspension
A-Arm Skid Plate (Rear)–No
Engine Spec
Kill Switch Tether Cord–Standard
Displacement To Weight CC–0.22
Manufacturer and Warranty
Warranty Info12 Limited ✓6 Limited
Parent CompanyHondaYamaha
Recommend Minimum Age10 ✓6
Manufacturer CountryJapanJapan
Steering
Turning Circle8.3–
Steering TypeManualManual
Exterior - Safety and Design
Rear Stabilizer BarNoNo
Rear FenderStandardStandard
Light GuardNoNo
Hand GuardsNoNo
Tires and Rims
Rear Rim Diameter (in)8 ✓7
Exterior - Safety and Design
Rear Bumper–Standard
Tires and Rims
Rear Tire Width (in)87 ✓
Tires RearMaxxis 19 x 8-8 ✓Duro® AT 16 X 7-7
Suspension
Front Adjustable Fork Pre-LoadNoNo
Suspension - Front Travel (mm / in.)66 / 2.6 ✓61 / 2.4
Front SuspensionIndependentA-Arm
Brakes
Brakes RearSealed DrumSealed Drum
Brakes FrontDual Sealed DrumDual Sealed Drum
Engine Spec
Speed GovernorYesYes
IgnitionElectricElectric / Kick
Fuel TypePetrolPetrol
Carborator Count11
Suspension
Front Adjustable Rebound DampingNoNo
Engine Spec
Carburetor Size MM15 ✓12
Compression Ratio9.2:18.5:1
Bore Stroke(in)1.85in. x 1.95in.1.54in. x 1.63in.
Bore Stroke(mm)47mm x 49.5mm ✓39mm x 41.4mm
Engine CylindersSingle-CylinderSingle-Cylinder
Engine CoolingAirAir
Engine Type4-Stroke4-Stroke
Total Valves22
Valve Configuration2-valves2-valves
Engine ValvesSOHCSOHC
Fuel SystemCarburetorCarburetor
Suspension
Suspension RearSwing ArmSwing Arm
Suspension Rear - MaterialSteel–
Rear Travel (mm / in.)66 / 2.6 ✓51 / 2
Tires and Rims
Front Rim Diameter (in)8 ✓7
Front Tire Width (in)7 ✓6.5
Front Tire Diameter (in)20 ✓16
Tires FrontMaxxis 20 x 7-8 ✓Duro® AT 16 X 6.5-7
Tire MakeMaxxisDuro
Transmission (Gearbox) and Final Drive
ReverseNoNo
Number Of Speeds4 ✓1
Primary Drive - Rear WheelsChainChain
Drive line Modes11
Final Drive4X24X2
TransmissionManual / Automatic ClutchContinuously Variable (CVT)
Dimensions and Weight
Wet Weight (Lbs. / Kg)262 / 118.8220 / 99.8 ✓
Wheelbase (mm / in.)983 / 38.7831 / 32.7 ✓
Ground Clearance (mm / in.)99 / 3.9 ✓89 / 3.5
Height (mm / in.)927 / 36.5770 / 30.3 ✓
Width (mm / in.)894 / 35.2820 / 32.3 ✓
Length (mm / in.)1487 / 58.561250 / 49.20 ✓
Suspension
Air AdjustableNoNo
Number of Rear Shock Absorbers11
Rear Adjustable Shock Spring Pre-LoadNoNo
Rear Adjustable Rebound DampingNoNo
Tires and Rims
Rear Tire Diameter (in)19 ✓16
Exterior - Safety and Design
Shock Cover–No

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Pros & Cons

2020 Honda TRX 90X

✓ Pros
  • Largest engine in this comparison (86cc)
  • Best ground clearance — handles rough terrain well
  • Independent front suspension for better ride comfort
  • Manual gearbox — greater control in technical terrain
✗ Cons
  • 2WD only — less traction off-road than 4WD alternatives

2020 Yamaha YFZ 50

✓ Pros
  • Independent front suspension for better ride comfort
  • CVT automatic transmission — easy to ride, no gear-changing
  • Lower seat height — more accessible for shorter riders
✗ Cons
  • Smaller engine than the 2020 Honda TRX 90X
  • 2WD only — less traction off-road than 4WD alternatives

Comparing 2020 Honda TRX 90X vs 2020 Yamaha YFZ 50 — Common Questions

Which has the most powerful engine?
The 2020 Honda TRX 90X has the largest displacement at 86cc, making it the most powerful in this comparison. A larger engine generally means more torque for towing and off-road work.
Which has the better suspension?
Independent front suspension (A-Arm or IFS) absorbs bumps better than solid-axle designs and improves handling on uneven terrain. Check the Suspension category in the full table above to compare front and rear travel for each model.
Which is the easiest to ride?
CVT automatic transmission is easiest for beginners — there is no gear-changing or clutch to manage. A lower seat height also makes a quad more accessible for shorter riders. Check the Transmission and Seat Height rows in the table above.
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