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AG125

This take on an old favourite is powered by a reliable 124cc air cooled four-stroke engine that delivers plenty of smooth, controllable power. Its square bore and stroke give a responsive delivery that gets the power to the ground for traction in the muddiest conditions.

Sporting many of the traditional AG bike features found on the original AG100, this model is designed and built for our tough Aussie conditions with modern conveniences such as an electric start and monoshock suspension. Sealed drum brakes and a sealed chaincase keep the mud out of hard-working parts while heavy duty front and rear racks and plenty of chain, engine and handlebar protection make this AG bike a farmer favourite.

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Features

Bullet proof engine
Bullet proof engine

The AG125 is powered by a 124cc four-stroke engine that offers smooth, reliable performance with minimal fuel consumption. A key engine feature is the low noise level, which is great for following stock. There is a fuel tap on the left side of the tank with on, off, and reserve, for when the steel 11-litre fuel tank eventually gets low and needs filling.

Electric Start
Electric Start

Running push button electric start makes getting up and running a breeze and in the unlikely event of battery issues, there’s a kick-start as a backup. Other controls are familiar and include a dash with odometer and trip meter as well as lights to indicate neutral, high beam and indicators.

Fully enclosed chain
Fully enclosed chain

A fully enclosed chain is protected from mud and dust, ensuring extended life of both chain and sprockets and keeping costs down at service time. Chain adjustment has been made easier with the use of the snail-type cam, making this job fast and easy even if not mechanically inclined.

Sealed Drum Brakes
Sealed Drum Brakes

Braking is delivered by low maintenance sealed drum brakes front and rear. Drum brakes are ideal for farm use because while disc brakes can provide better stopping power in great conditions, farmers often encounter mud and dust that can drastically reduce the ability of a disc setup.

Dual racks
Dual racks

The front and rear racks are useful for carrying wet weather gear and a few fencing tools as required. And running a sidestand on both sides of the bike – with a wide footprint - mean that you can park the AG125 just about anywhere.

Technical Specifications

AG125
Farm favourites
Engine Type
Air-cooled, 4-stroke, single cylinder
Displacement (cc)
124
Bore x Stroke (mm)
54.0 x 54.0
Compression Ratio
10.0 : 1
Lubrication System
Wet sump
Fuel Management
Carburetter
Ignition
CDI
Starter System
Electric and Kick
Fuel Tank Capacity (L)
11
Final Transmission
Chain
Transmission
Constant mesh 5-speed
Length (mm)
2110
Width (mm)
940
Height (mm)
1095
Seat Height (mm)
800
Wheelbase (mm)
1350
Ground Clearance (mm)
225
Wet Weight (kg)
113
Frame Type
Semi double cradle
Suspension Front
Telescopic forks, 180mm travel
Suspension Rear
Swingarm, 130mm travel
Brakes Front
Drum
Brakes Rear
Drum
Tyres Front
2.75-19-4PR Tube type
Tyres Rear
3.50-18-4PR Tube type
showroom_folder				ag125
showroom_brand				yamaha
showroom_brand_wufoo		yamaha
showroom_gallery_count		
showroom_technology_data	
showroom_engine_data		Engine Type|Air-cooled, 4-stroke, single cylinder;Displacement (cc)|124;Bore x Stroke (mm)|54.0 x 54.0;Compression Ratio|10.0 : 1;Lubrication System|Wet sump;Fuel Management|Carburetter;Ignition|CDI;Starter System|Electric and Kick;Fuel Tank Capacity (L)|11;Final Transmission|Chain;Transmission|Constant mesh 5-speed
showroom_chassis_data		Frame Type|Semi double cradle;Suspension Front|Telescopic forks, 180mm travel;Suspension Rear|Swingarm, 130mm travel;Brakes Front|Drum;Brakes Rear|Drum;Tyres Front|2.75-19-4PR Tube type;Tyres Rear|3.50-18-4PR Tube type
showroom_dimensions_data	Length (mm)|2110;Width (mm)|940;Height (mm)|1095;Seat Height (mm)|800;Wheelbase (mm)|1350;Ground Clearance (mm)|225;Wet Weight (kg)|113 

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content_description1		

This take on an old favourite is powered by a reliable 124cc air cooled four-stroke engine that delivers plenty of smooth, controllable power. Its square bore and stroke give a responsive delivery that gets the power to the ground for traction in the muddiest conditions.

Sporting many of the traditional AG bike features found on the original AG100, this model is designed and built for our tough Aussie conditions with modern conveniences such as an electric start and monoshock suspension. Sealed drum brakes and a sealed chaincase keep the mud out of hard-working parts while heavy duty front and rear racks and plenty of chain, engine and handlebar protection make this AG bike a farmer favourite.

content_description2

Engine Type|Air-cooled, 4-stroke, single cylinder;Displacement (cc)|124;Bore x Stroke (mm)|54.0 x 54.0;Compression Ratio|10.0 : 1;Lubrication System|Wet sump;Fuel Management|Carburetter;Ignition|CDI;Starter System|Electric and Kick;Fuel Tank Capacity (L)|11;Final Transmission|Chain;Transmission|Constant mesh 5-speed#####Frame Type|Semi double cradle;Suspension Front|Telescopic forks, 180mm travel;Suspension Rear|Swingarm, 130mm travel;Brakes Front|Drum;Brakes Rear|Drum;Tyres Front|2.75-19-4PR Tube type;Tyres Rear|3.50-18-4PR Tube type#####Length (mm)|2110;Width (mm)|940;Height (mm)|1095;Seat Height (mm)|800;Wheelbase (mm)|1350;Ground Clearance (mm)|225;Wet Weight (kg)|113

content_description3 content_allow_reviews n content_author content_external_ref1 content_external_ref2 content_external_ref3 showroom-Yamaha-AG125 content_compatibility_code n content_external_src content_fullpath Yamaha AG125 content_level 2 content_id 3070 content_module content_name AG125 content_short_description1 content_short_description2 content_short_description3 content_type_code showroom content_type_id 15 content_type_name Showroom date_posted 0000-00-00 00:00:00 date_updated 2026-05-06 15:22:07 page_editor page_header AG125 page_id 3070 page_index page_subheader parent_content_id 3033 parent_id 3033 rating 0 reviews 0 sortorder 0 subtitle templatebody showroom_model templatefoot templatehead templatesearch thumb_content_type_id 0 timestamp 2026-05-06 15:22:07