Starting from £5,103
With their dynamic style, naked bodywork and thrilling performance, it’s no surprise that Yamaha’s MT models have lured so many riders into the Dark Side of Japan. The breed is constantly evolving. The radical MT-125 is ready to bring even more performance, attitude and adrenaline to the 125 class.
DARKNESS IS THE NEXT LEVEL
Featuring a characterful torque-rich engine, as well as compact mass-forward bodywork and aggressive MT design, this exciting 125 is like no other. So get ready to discover the Dark rider inside of you. Because this lightweight Hyper Naked is going to transform your world.
Built with pure MT DNA, this sporty lightweight is the ultimate introduction to the Hyper Naked motorcycling experience. So find out what it’s like to ride a true Master of Torque and discover your Dark Side.
Torque-rich 125cc engine with VVA
The MT-125’s playful 125cc 4-valve liquid-cooled engine is equipped with Yamaha’s exclusive Variable Valve Actuation (VVA) system that features two intake cams. This exclusive R125-derived technology enables the high-tech engine to deliver outstanding top-end performance together with plenty of torque at lower engine speeds, making the MT-125 one of the strongest performers in the category.
Modern and aggressive body design
Athletic bodywork gives a dynamic look that’s been strongly influenced by the larger capacity MT models. The signature mass-forward styling, compact fuel tank and short tail accentuate the bike’s aggressive stance – and with its dynamic riding position you’d better prepare yourself for the most thrilling ride in the class!
Bold twin-eye face
No other lightweight comes with the street presence and intimidating attitude of the MT-125. Its aggressive face features menacing twin-eye position lights that project a predatory stare. The ultra-compact single LED headlight projects a brilliant beam that enables you to see and be seen.
Assist and slipper clutch
The MT-125’s engine is equipped with an assist and slipper (A&S) clutch with a super-light feeling at the lever that gives easy gear changing. As well as requiring less physical input from the rider, the A&S clutch makes downshifts even smoother and helps to prevent rear wheel lock ups – giving you greater control of your MT.
Sporty Deltabox frame and aluminium swingarm
The R125-derived Deltabox frame and aluminium swingarm deliver light and sporty handling as well as impressive comfort at higher speeds. The geometry is optimised to achieve mass-centralisation and a dynamic riding position.
Modern 5’’ colour TFT meter with mobile connectivity
The MT-125’s CCU communicates with the MyRide app so that text messages and incoming call notifications are displayed on the screen, keeping you connected at all times. This connectivity also allows you to monitor all key parameters of the bike through the app. If an issue with your bike is detected, the dashboard notifies you and can send an email alert to a pre-set contact.
Wide 140-section rear tire
Whether you’re riding at lower speeds around town or taking it to the limit on a twisty back road, the MT-125 is always ready to thrill. There’s plenty of instant performance waiting to be released at the twist of your wrist – and with its wide 140-section rear tire this high-specification lightweight just loves to carve the corners!
Traction Control System
The MT-125 comes equipped with Yamaha’s state-of-the-art TCS. Using advanced ECU functions and real-time riding data given by sensors placed at the rear wheel, the chances of drifting are minimised, giving you ultimate controllability and thrill.
High-specification 41mm upside down front forks
Equipped with 41 mm tubes, the premium quality upside down forks give excellent handling in a range of different riding conditions, and offer 130 mm of smooth and responsive suspension travel for a comfortable ride.
Radial-mount caliper and 292mm front disc
For strong braking force together with a high level of feel the MT-125 is fitted with a radial mount caliper and a large 292mm diameter disc. This class-leading set-up gives accurate fingertip control at lower speeds, together with outstanding braking performance at higher speeds.
MT-125
Offer Ends 31/03/2026
Yamaha - Free 12 months Roadside Assistance

Service your Yamaha motorcycle or scooter at a participating Official Yamaha Dealership** before March 31st 2026 and receive 12 months free YOU Yamaha Road Assistance*. Things like punctures and flat batteries can happen to anyone, but our breakdown cover gives you peace of mind so that you can ride without worry.
*Terms & Conditions
Eligibility:
The offer is open to anyone who has any service from the Yamaha service schedule using Genuine Yamaha Parts at participating Official Yamaha Dealers.
The service needs to take place between 1 November 2025 until 31 March 2026.
The service must be on a Yamaha motorcycle or scooter.
Machines within 2 years of warranty registration are not eligible for this offer.
The customer will need to complete and sign a form with their dealer at the time of the service for the application to be submitted.
Offer excludes services on any off-road competition or non-road going Yamaha models.
The Offer:
Receive free 12 months YOU Yamaha Motor Road Assistance - Conditions apply - for full details see https://www.yamaha-motor.eu/gb/en/service-support/yamaha-assist/
At the end of the year, there is an option to extend the cover for a further year, at the cost of the policy holder (subject to eligibility).
General Terms and Conditions:
The Promoter reserves the right to cancel or award a different offer up to the same value due to circumstances beyond their control.
The Promoter's decision is final and no correspondence will be entered into.
The offer is non-transferable and cannot be exchanged for cash or other prizes, or passed onto another person when the motorcycle or scooter is sold.
The Promoter is not responsible for lost entries.
Any personal data relating to competition entrants will be used in accordance with the Promoter’s privacy policy which can be found here.
The Promoter is Yamaha Motor Europe NV, Branch UK of Units A2-A3, Kingswey Business Park, Forsyth Road, Woking, Surrey GU21 5SA.
| Engine type | EURO5, 4-stroke, Liquid-cooled, SOHC, Single cylinder |
| Displacement | 124 cc |
| Bore x stroke | 52.0 x 58.7 mm |
| Compression ratio | 11.2 : 1 |
| Maximum power | 11.0 kW @ 10,000 rpm |
| Maximum torque | 11.5 Nm @ 8,000 rpm |
| Lubrication system | Wet sump |
| Clutch type | Wet, Multiple Disc |
| Ignition system | TCI |
| Starter system | Electric |
| Transmission system | Constant Mesh, 6-speed |
| Final transmission | Chain |
| Fuel consumption | 2.1 L/100 km |
| CO2 emission | 47 g/km |
| Fuel system | Electronic Fuel Injection |
| Frame | Diamond |
| Caster angle | 26º |
| Trail | 95mm |
| Front suspension system | Upside-down telescopic fork, Ø41 mm |
| Rear suspension system | Swingarm, (Link type suspension) |
| Front travel | 130 mm |
| Rear travel | 110 mm |
| Front brake | Hydraulic single disc, Ø 292 mm |
| Rear brake | Hydraulic single disc, Ø 220 mm |
| Front tyre | 100/80-17M/C 52S |
| Rear tyre | 140/70-17M/C 66S |
| Overall length | 1.960 mm |
| Overall width | 800 mm |
| Overall height | 1.065 mm |
| Seat height | 810 mm |
| Wheel base | 1.325 mm |
| Minimum ground clearance | 160 mm |
| Wet weight (including full oil and fuel tank) | 142 kg |
| Fuel tank capacity | 11 litres |
| Oil tank capacity | 1.05 litres |
In order to reserve this Yamaha MT-125, you can place a fully refundable deposit of £99. Simply click on the the button below to proceed via a secure, one time and fully refundable payment of £99.
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Dave Death Motorcycles (IW) Limited is a Credit Broker, not a Lender and works with a limited number of providers, the representative finance examples provided are for illustrative purposes only and may change subject to underwriting decisions. A Commission may be paid for Introducing this transaction to the lender.