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Recommended Age

13 - 18

Dirt Bikes

THUNDER 140

Carb-Approved-Logo

140 cc

4‑Stroke, Air‑Cooled, Single‑Cylinder

3 Months

Limited Warranty

50MPH

Top Speed

4 Speed Manual (N-1-2-3-4)

(CVT) Transmission

140 cc4‑Stroke, Air‑Cooled, Single‑Cylinder
50 MPHTop Speed
4 Speed Manual (N-1-2-3-4)Transmission
3 MonthsWarranty
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SPECIFICATIONS

Engine4‑Stroke, Air‑Cooled, Single‑Cylinder
Displacement140 cc
Fuel SystemCarb
CarburatorPZ27A
CoolingAir
Transmission4 Speed Manual (N-1-2-3-4)
Final DriveChain
Start SystemKick Start
BatteryN/A
Front SuspensionHydraulic Front Forks
Rear SuspensionNormal Spring over coil shock
Front BrakesHydraulic Disc
Rear BrakesHydraulic Disc
Front Tires17"
Rear Tires14"
FrameTwin Spare Heavy-Duty Steel Frame
Dimensions54x15x35
Seat Height33"
Wheelbase48"
Ground Clearance12.8"
Fuel Capacity3.2L
Weight174 lbs
Top Speed50 MPH
Max Load165 lbs
Age13 - 18
Warranty3 Months

SPECIFICATIONS

model name 140
engine Brand YX
engine 140cc Air cooled, 4-stroke, single-cylinder
Engine Gear 4-speed Manual  (N-1-2-3-4)
Transmission Chain Drive
Shift Gear Hand
Engine Bore X Stroke 56×57mm
compression ratio  9.8：1
max power 11HP/8000r/min
Max torque 10.2N.m/7500r/min
Ignition CDI
Engine Oil total capacity 0.24 Gallon
Fuel Tank Capacity 1.03 Gallon
Start way Kick Start
Front wheel 70/100-17
Rear wheel 90/100-14
Drive train Chain drive
Front and rear absorber brand SYD
Front absorber 30.3 inches Non-Adjustable
Rear absorber 13.8 inches Non-Adjustable
Front Hand Brake Hydraulic Disc
Rear Foot Brake Hydraulic Disc
Frame Double beam Heavy Duty Steel frame
N.W: 176 LBS
G.W 198 LBS
Products size(L*W*H) 72.4*30.5*46.5 inches
seat high 33 inches
wheel base 48 inches
Ground Clearance 13 inches
box size(L*W*H) 57.5*15*29.5inches

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