Yamaha AG125 - 2021 Specifications and Reviews

The 2021 Yamaha AG125 is a lightweight enduro motorcycle designed for beginner and amateur off-road riders seeking affordable trail exploration. Powered by a reliable 124cc air-cooled four-stroke engine, it excels on unpaved terrain with adequate ground clearance and manageable handling. Known for its simplicity, low maintenance, and accessibility, the AG125 serves as an excellent entry point into off-road motorcycling.

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General information

CategoryEnduro / offroad
Year2021
ModelYamaha AG125
 
 

Engine and Transmission Specifications

Transmission typeChain   (final drive)
Cooling systemAir
Lubrication systemWet Sump
IgnitionCDI
Fuel systemCarburettor. BS26
Bore x Stroke54.0 x 54.0 mm (2.1 x 2.1 inches)
Compression10.0:1
Engine typeSingle cylinder, four-stroke
Capacity:124.0 ccm (7.57 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakesExpanding brake (drum brake)
Front brakesExpanding brake (drum brake)
Rear tire3.50-18
Front tire2.75-19
Rear wheel travel130 mm (5.1 inches)
Rear SuspensionSwingarm
Front wheel travel180 mm (7.1 inches)
Front SuspensionTelescopic forks
Frame typeSemi double cradle

Physical measures and capacities

Fuel capacity11.00 litres (2.91 US gallons)
Wheelbase1350 mm (53.1 inches)
Ground clearance225 mm (8.9 inches)
Overall width940 mm (37.0 inches)
Overall length2110 mm (83.1 inches)
Overall height1095 mm (43.1 inches)
Seat height800 mm (31.5 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc113.0 kg (249.1 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsAustralian farm bike
StarterElectric & kick
Color optionsYamaha Blue

Performance Profile & Rider Fit

Best For

Track5%
City30%
Cornering30%
Daily Riding35%
Touring15%
Passenger10%

Rider Profile

Best ForThis is a simple, low-powered utility bike suited to complete beginners or working riders who need dependable transport rather than performance.
PurposeBuilt as a farm and light-duty off-road workhorse, it prioritizes low-speed control, durability, and easy maintenance over speed or comfort.
Rider FitThe low seat height and light weight make it very approachable for shorter or less experienced riders to handle both on and off pavement.
CharacterIt has an unpretentious, no-frills, agricultural personality focused on toughness and simplicity rather than excitement.
Not Ideal ForThis bike is not for riders seeking highway speed, long-distance touring comfort, or sporty road handling.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2021 Yamaha AG125 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 800mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2021 Yamaha AG125, with a cramped knee angle of around 70 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2021 Yamaha AG125 is a reliable and powerful motorcycle that is perfect for off-road adventures. With its 124cc air-cooled engine, this bike delivers smooth and responsive performance, making it a joy to ride on different terrains. The lightweight and nimble design of the AG125 allows for easy maneuverability, while its long-travel suspension ensures a comfortable and stable ride. Whether you're cruising through dirt trails or navigating through rugged terrain, this bike can handle it all with ease. With its durable construction and dependable performance, the 2021 Yamaha AG125 is a great choice for riders looking for a versatile and capable off-road motorcycle. Overall, the 2021 Yamaha AG125 is a top-notch off-road motorcycle that offers impressive performance and reliability. It's well-built and designed to handle various terrains with ease, making it a great choice for adventure seekers. The smooth and responsive engine, along with its lightweight and nimble design, provides an enjoyable riding experience for both beginners and experienced riders alike. If you're in the market for a dependable and versatile off-road motorcycle, the 2021 Yamaha AG125 is definitely worth considering.
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