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2026 Yamaha YZ125 70th Anniversary Edition
Motocross 2 Stroke
Category
125cc 2 stroke
Engine Size
Overview ^
Network ID
SHRM-AD-684500
Bike
Motocross Manual 6sp 125cc
Price
Body
Motocross 2 Stroke
Engine Capacity
125 cc
Configuration
124cc, 2-stroke, Liquid cooled, Reed valve, 1-cyl
Country of Origin
JAPAN
Details
Engine
Start
Electrics
Fuel & Emissions
Transmission
Chassis & Suspension
Brakes
Wheels & Tyres
Dimensions & Weights
Safety & Security
Convenience
Bike Type
Motocross
Series
YZ
Model Code
YZ125SP
LAMS Approved
False
Colours
70th Anniversary
Ride Away Price
True
OEM Ride Away Price
12299
Country of Origin
JAPAN
Grey Import
False
Is Limited Edition
False
Engine Description
125
Engine Config
Vertical
Engine Capacity
125 cc
Engine Type
Piston
Engine Stroke
2
Bore
54.0 mm
Stroke
54.5 mm
Cam Type
Power Valve
Cylinders
1
Compression Ratio
8.2-10.1:1
Induction System
Aspirated
Carburettor(s)
1
Carburettor
Keihin PWK 38S; TPS (Throttle position sensor)
Throttle Bore
38mm
Cooling
Liquid
Lubrication
Premix (2-stroke oil & petrol)
Oil Capacity
0.7 L
Exhaust Config
1 Into 1
Exhaust Description
Black
Ignition
CDI (Capacitive Discharge Ignition)
Starter
Kick
Engine Voltage
12 Volt
Charging Method
Alternator & Regulator-Rectifier
Fuel Type
Petrol
Recommended RON
91
Fuel Tank Capacity
7.0 L
Fuel Reserve Capacity
1.00 L
Transmission Description
Close ratio; Constant mesh
Drive Type
Chain
Gear Type
Manual
Gear Number
6
Gear Change Method
Left foot lever
Clutch Type
Wet; Multi-disc; Coil spring
Frame Material
Aluminium
Frame Design
Semi-double cradle
Handlebar Description
Side Stand
Not Available
Front Suspension
KYB speed sensitive upside down telescopic fork;
Front Suspension Travel
300.0 mm
Rear Suspension
Swingarm; KYB link-type shock absorber
Rear Suspension Travel
315.0 mm
Fork Diameter
48.0 mm
Swingarm Type
Dual Sided
Swingarm Description
Aluminium
Steering Damper
Not Available
Front Brake Description
Single disc; Hydraulic
Front Brake Diameter
270.0 mm
Rear Brake Description
Single disc; Hydraulic
Rear Brake Caliper(s)
Single Piston
Rear Brake Diameter
240.0 mm
ABS
Not Available
Linked Braking System
Not Available
Wheel Type
Black rims; Laced-spokes
Wheel Size Front
21"
Wheel Size Rear
19"
Rear Tyre
100/90-19" Bridgestone Battlecross X20
Front Tyre
80/100-21" Bridgestone Battlecross X20F
Length
2135 mm
Width
825 mm
Height
1295 mm
Wheelbase
1445 mm
Ground Clearance
365.0 mm
Wet / Operational Weight
96.0 kg
Seat Height
980 mm
Seating Capacity
1
Traction Control
Not Available
Alarm
Not Available
Seat Description
Gripper
Seating Position
Upright
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Motocross Manual 6sp 125cc