Name: YAMAHA YFZ450R SE Racing Quad
Brand: Yamaha
SKU: YFZ450RSE-ACID-GREEN
Availability: InStock

YAMAHA YFZ450R SE Racing Quad

£9,833.33£11,800.00 Excl. VATIncl. VAT

In Stock

Highlights:

449 cc Liquid-cooled, 4-stroke engine
Fuel injection
Electric start
5-speed Manual slipper clutch
2 Wheel drive
Long travel adjustable suspension

SKU: YFZ450RSE-ACID-GREEN Category: Quad Bikes Brand: Yamaha

Description

YAMAHA YFZ450R SE

The 2025 Yamaha YFZ450R SE is engineered for riders who demand championship-winning performance, razor-sharp handling and explosive power. This Special Edition sport ATV combines aggressive styling with race-proven technology, making it one of the most capable high-performance quads on the market.

At the heart of the YFZ450R SE is a 449 cc liquid-cooled, fuel-injected 4-stroke engine tuned for instant throttle response and powerful mid-to-high-range acceleration. Titanium valves, lightweight internals and a high-compression setup create an engine that revs fast, pulls hard and maintains consistent performance under extreme riding conditions. The advanced fuel injection system ensures smooth power delivery, crisp starting and efficient fuel burn in all temperatures and terrains.

The YFZ450R SE is built on a hybrid aluminium-steel chassis, engineered to reduce weight while maintaining the strength needed for aggressive jumps, cornering and racing environments. Its low centre of gravity improves stability and responsiveness, giving riders superior control at high speeds. The long-travel KYB piggyback shocks, complete with Kashima coating, offer exceptional damping, reduced friction and improved suspension action over rough trails, berms and whoops.

For precise control, Yamaha equips the YFZ450R SE with a 5-speed racing transmission paired with an assist-and-slipper clutch. This reduces clutch lever effort, enhances rider comfort and prevents rear-wheel hop during hard downshifts—a major advantage in competitive riding. The wide race stance, premium Maxxis tyres and lightweight wheels deliver maximum grip, stability and cornering confidence.

The 2025 Special Edition features exclusive graphics and colours, aggressive bodywork and ergonomic design that allows the rider to shift weight effortlessly during jumps, slides and tight manoeuvres. Quick-release body panels make routine maintenance fast and simple, while the high-grip seat and optimised footwells enhance rider control during demanding sessions.

Additional information

Which brand to view	Yamaha
Machine Category	ATV/Quads
Machine Class	Professional
Machine Power Type	Petrol

Technical Info

Engine type	Single cylinder, Liquid-cooled, 4-stroke, DOHC, 5-valves
Displacement	449cc
Bore x stroke	95.0 mm x 63.4 mm
Compression ratio	11.8 : 1
Lubrication system	Dry sump
Fuel system	Fuel Injection 42 mm EHS with ISC
Ignition system	TCI
Starter system	Electric
Transmission system	5-speed, manual slipper clutch
Drive system	2WD
Final transmission	Sealed O-ring chain, eccentric adjustment

Front suspension system	Independent double wishbone, Piggy Back 3-way adjustable damper, 250 mm stroke, threaded preload adjustable dual-rate coil-over springs
Rear suspension system	Cast aluminium swingarm, Piggy Back 3-way adjustable damper, threaded preload adjustable coil-over springs, 280 mm stroke
Front brake	Dual ventilated disc with hydraulic twin piston callipers
Rear brake	Wave-type ventilated disc with twin piston callipers
Front tyres	AT21x7R10
Rear tyres	AT20x10R9

Overall length	1,795 mm
Overall width	1,240 mm
Overall height	1,065 mm
Seat height	810 mm
Wheelbase	1,270 mm
Minimum ground clearance	115 mm
Wet weight (including full oil and fuel tank)	184kg
Fuel tank capacity	10.0litres
Oil tank capacity	1.6 litres

Warranty

YAMAHA FACTORY WARRANTY PERIOD

The period of cover under this warranty is from the first date of registration or date of first sale to a customer, if the unit remains unregistered. See Unit Delivery Document for specific Factory Warranty period of this unit.

YAMAHA ASSURANCE

Your unit is manufactured under strict quality control. However, should there be any defect in material or workmanship, the Company guarantees that it will be corrected without charge (except for Competition models). Refer to the Dealer from whom you purchased your unit or any other Yamaha authorised Dealer in Europe. This Warranty is not affected by a change of ownership, with any remaining period of cover being transferable to subsequent owners.

YAMAHA FACTORY WARRANTY BENEFITS & CONDITIONS

Benefits:
The Company guarantees that throughout the Factory Warranty Coverage it will replace any part of the unit which has failed through either a material defect or incorrect factory assembly free of charge providing:

Conditions:

The unit bears the original manufacturer’s identification marks.
The unit is maintained as specified in the Owner’s Manual, and is used in accordance with the instructions herein.
The item to be replaced is either part of the original equipment or a genuine replacement part, with repairs and/or replacements carried out by authorised Yamaha Dealer in Europe.
Reasonable care has been taken to keep the unit clean and free from chemical attack according to the cleaning instructions in the Owner’s Manual.
The unit has not been subjected to any unauthorised alterations, misuse, negligence or accident, or has not been used for purposes other than those for which it was designed, or has not been operated with fuel and lubricants other than those recommended.
Any non-fulfilment of conditions 1 to 5 may, in the discretion of the Company, result in the warranty being fully or partly void.
This Warranty shall be construed in accordance with the country law and any question arising from this Warranty shall be subject to the jurisdiction of the courts.
This warranty does not provide for alternative transport for the period of repair, in the event of a warrantable failure.
The unit is inspected before usage to be sure your unit is in safe operating condition. Please refer to your owner’s manual for individual unit requirements.

THE YAMAHA FACTORY WARRANTY SHALL NOT APPLY IN THE FOLLOWING INSTANCES

Replacement and/or adjustment due to normal deterioration or wear, and removal of carbon build-up.
Corrosion, oxidation and discoloration caused by weather conditions, salt, harsh chemical products or cleaning compounds.
Damage caused by improper use for a purpose other than originally designed or intended.
Damage caused by use in races, rallies or other similar competitive sports.
Damage caused by an act of God, fire, collision or accident.
Damage caused by installation of parts or accessories that are not original or approved equipment.
Damage caused by improper maintenance or setup by a Dealer or customer.
Damage caused by improper transportation or storage.
Transportation charges to or from the repairing Dealer.
Items which are service parts, those having a lifespan based on usage and expected to be replaced during normal service. Examples of such parts include, but are not limited to propeller, batteries, filters, spark plugs, transmission components, timing chains and timing belt, anodes and certain seals and gaskets.

NOTE:
The replacement of oil, grease and other such items shall be covered when they are used as part of a Warranty Repair.

CUSTOMER LIABILITY

The customer shall ensure the unit is operated and maintained properly, in compliance with the instructions and guidelines in the Owner’s Manual.
The customer shall bear the costs of regular service and maintenance, as well as replacement costs of normal wear items.
The customer is also liable for failure and damage caused by abuse, neglect and accidents including incidental and consequential costs.
In the event of a suspected defect, the customer shall present the unit to an authorised Yamaha Dealer in Europe within ten days of the suspected defect being noticed.
The customer is also liable for stripping down and/or inspection costs for a suspected Warranty problem that proves unwarrantable.
The customer is liable for any subsequent repairs that are not Warranty-covered.

YAMAHA FACTORY WARRANTY TERRITORY

Our Yamaha authorised dealer network will assist you in securing trouble-free journeys abroad.

When traveling abroad, remember:

Of course, we hope that your unit will not be subject to a warranty repair, whilst abroad. Before you commence your journey, we would however recommend that your unit is thoroughly serviced, with particular attention paid to items such as propeller, timing belt, engine oil and gear oil, spark plugs, filters, anodes etc. which may otherwise require replacement whilst abroad.
Addresses of Yamaha authorised dealers in Europe can be found at www.yamaha-motor.eu

HOW DO I FILE A CLAIM?

If you experience a problem with your unit, which you believe should be dealt with under the Warranty, please promptly contact your supplying Dealer or any other authorised Yamaha Dealer in Europe to arrange for the unit to be inspected.

If any problem develops which you believe may render the unit unsafe to use please call your Dealer for help and do not use the unit until it has been inspected.

All claims under Warranty must be submitted on your behalf through an authorised Yamaha Dealer.

WHAT HAPPENS IF YOU ARE NOT SATISFIED?

We hope you will be pleased with your Yamaha unit and the service we and our Dealers supply.

However, if you have any reason to complain, please send your complaint, in writing, to your Dealer and a copy of your letter to the Customer Service Department of your Yamaha Distributor.

If your complaint is not handled to your satisfaction or if you believe you are being treated unfairly you may elect to put your case to independent arbitration and we shall be bound by the arbitrator’s decision.

If you wish to do this your Distributor’s Customer Service Department will supply you with full procedure details.

PERIODIC INSPECTION

Yamaha units require periodic maintenance and lubrication, the frequency of which may vary between models. Please refer to your unit’s Owner’s Manual for details.

It is essential and a prerequisite that properly conducted, periodic inspections according to the following schedule are carried out to receive the full benefits of the Warranty, described in these Warranty Conditions. Our authorised Yamaha Dealers are trained and highly skilled on any Yamaha unit. Therefore, it is highly recommended that for the safe and sound use of your unit, periodic inspections should be performed by your Yamaha Dealer.

Please make sure the Dealer registers each service interval. Failure to have these services carried out may affect the reliability of your unit and may invalidate the Warranty.

Delivery

We offer a free click & collect option for all our products, with a choice of collecting from Dorchester, Tiverton or Chard. Please click here for full address details.

For all non-large items, we also offer national delivery throughout the UK mainland, excluding Scottish Highlands, Islands and Northern Ireland.

For some of our larger products, unfortunately national delivery is not an option. Therefore, we only offer free click & collect or our own delivery service to the following area postcodes; TQ, EX, TA, BS, BA, SP, BH, DT.

The delivery options available and associated costs are determined by the product type/size and customer location, which will be calculated at check-out, before processing your order.

Delivery time scales vary depending on our stock levels, your choice of delivery method and delivery location. Any potential delays will be communicated with yourself as soon as we are aware.

If you have any questions or queries about an order you would like to place with us, please do not hesitate to contact us.