ID # 35147545

2025 Yamaha Kodiak 450

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DO-IT-ALL ATV. With an Ultramatic® automatic transmission, On‑Command® 2WD/4WD and fuel injection, this ATV packs big performance into a mid‑size machine.

Specifications

Model

KODIAK

Category Name

ATVs

Year

2025

Manufacturer

Yamaha

Color

Steel Blue

highlights

CAPABILITY

The Ultramatic® transmission is specifically tuned to provide lowered cruising rpm for smooth, quiet operation, and features a gated shifter with park, dual-range (Hi/Lo) drive and reverse gear. Even the position of the gated shifter was carefully considered, being moved forward to provide a roomier rider area.

COMFORT

The Kodiak 450 offers a riding position with the same roomy feel as the larger Kodiak 700. With tall handlebars, a seat that is long and plush for improved rider comfort, and large textured floorboards, every aspect of the Kodiak 450 was designed to bring class-leading levels of refinement to the middleweight 4x4 ATV segment.

CONFIDENCE

Yamaha ATVs feature marine-grade waterproof connectors for maximum weather-proofing, increased durability and improved serviceability.

CONFIDENCE

The Kodiak 450 transmission uses its own cooling intake to maintain proper temperatures, an oversized belt to handle the torque of the large motor and Yamaha’s unique sprag clutch to maintain constant belt tension. The end result is a drivetrain built for years of trouble-free service that leaves the competition in the dust, and is backed by the industry's only 10-Year V-Belt Limited Warranty.

key features

421 cc, liquid-cooled, SOHC, 2-valve, fuel injected, single
Electric starting
SOHC, 2-valve cylinder head design
Aluminum cylinder body with cast iron liner
Short skirt forged aluminum piston
Gear driven engine balancer shaft

features & benefits

ENGINE

421 cc, liquid-cooled, SOHC, 2-valve, fuel injected, single
- Proven design with an excellent reliability record
- Engine uses regular unleaded fuel
- Rubber engine mounts reduce vibration & noise for excellent rider comfort
Electric starting
- Includes auto decompression system for fast, easy starts
SOHC, 2-valve cylinder head design
- Simple 2- valve design (1-intake & 1-exhaust)
- 40 mm intake & 34 mm exhaust valves
- Rocker arm valve actuation... simple, proven design that is easy to adjust
Aluminum cylinder body with cast iron liner
- Cylinder can be over bored in the event of an issue (2 sizes of overbore available)
Short skirt forged aluminum piston
- Lightweight design means faster throttle response & less mechanical vibration
Gear driven engine balancer shaft
- Reduces engine vibration for improved rider comfort
34 mm Mikuni throttle body fuel injection system with TPS & ISC
- TPS (Throttle Position Sensor) is used to more precisely calculate the fuel injection quantity for optimum power, excellent throttle response & reduced fuel consumption
- ISC (Idle Speed Control) helps ensure a steady idle even during warm up
- Other fuel injection benefits include; choke-free starting, excellent fuel economy & reduced emissions
Throttle limiter
- Easy to adjust, screw-type throttle limiter
- Throttle limiter reduces acceleration & top speed if desired
High mounted, high capacity air box with washable foam air filter
- No tools required to access air filter
- Washable foam filter can be re-used reducing tune-up costs
- High mounted design helps prevent water ingestion
- Air box features a "no tools required" drain
Yamaha's industry leading Ultramatic® CVT (fully automatic) dual range transmission with reverse & downhill engine braking
- Dual range, high - low transmission with reverse. Low range offers more "grunt" for towing or hauling heavy loads or when tackling technical terrain
- CVT automatically selects the optimum transmission ratio, meaning you are always in the right "gear"
- Ultramatic® design offers controllable, confidence inspiring downhill engine braking
- Downhill engine braking also reduces brake wear & related servicing
- Ultramatic® design utilizes a special centrifugal clutch which keeps constant tension on the V-belt, reducing belt wear since the belt does not slip as the clutches engage
- High mounted belt cooling ducts help prevent water ingestion
- V-belt housing has an easy access "no tools required" drain plug
- Automotive style, gated, 5-postion shifter (high, low, neutral, reverse & park)
Straight design front & rear drive shafts
- Straight driveshaft layout eliminates U-joints, reducing friction, noise & vibration
- Front & rear CV drive shafts feature heavy duty plastic boots to protect the CV joints from mud & water penetration for extended service life
High capacity cooling system with electric cooling fan
- 53% more cooling capacity than the last generation Kodiak 450
- Maintains consistent engine temperatures for optimum performance
- Radiator is positioned high in the frame for protection
- Design reduces heat reaching the rider
Wet sump lubrication system
- Spin on type oil filter for fast, easy oil changes
- Oil drain plug access hole in skid plate
Maintenance-free transistor controlled TCI ignition
- Produces a strong spark for fast starts
- Provides precise ignition timing / mapping for optimum engine performance at all rpms
Marine style, waterproof connectors on key electrical components.
Stainless steel exhaust system with catalyzer & cleanable spark arrestor
- Spark arrestor prevents stray sparks from exiting the exhaust
- Catalyzer reduces exhaust emissions
- Stainless steel design helps prevent rusting
Air Injection System (AIS) injects fresh air into exhaust port to fully burn any unburnt fuel, reducing exhaust emissions

Chassis

Rugged tube type, steel frame
- Compact design provides nimble, responsive handling
- Low seat height (855 mm / 33.7 inches) reduces centre of gravity & improves rider confidence / security
- Revised riding position (vs. last generation 450) offers a roomier cockpit, with more knee & foot room for improved rider comfort
Full length, rugged plastic skid plates
- Underside of unit is fully protected by high impact skid plates
- Front differential & engine oil drain access holes in main skid plate
- Skid plates enhance terrainability by allowing unit to slide more easily over obstacles
Double wishbone front & rear steel A-arms
- Wide track A-arms (front & rear) improve rider confidence by reducing body roll
- Rear anti-sway bar for optimum handling & reduced body roll
Adjustable independent double wishbone front & rear suspension
- 5-position pre-load adjustable, gas charged shocks front & rear
- 171 mm (6.7 inches) front wheel travel & 189 mm (7.4 inches) rear wheel travel
- Excellent rider comfort even on the toughest trails
245 mm (9.6") of ground clearance
Front disc brakes.
- Independent (separate) front & rear braking for enhanced control & terrain-ability
- Dual 220 mm (8.7") front rotors squeezed by single piston Nissin calipers
Sealed, rear wet brake
- Single rear wet brake is fully enclosed in the rear gear case housing
- Enclosed design keeps mud & water from entering the system & causing premature wear
- Consistent braking performance
- Reduced maintenance
Rugged CST tires & either steel wheels or cast aluminum mag wheels (depending on model)
- 25" tires help to increase ground clearance
- Tire design enhances steering precision, ride comfort & tradition
14 litre fuel tank
- Bar / block style fuel gauge in LCD meter
- Last bar will begin blinking when fuel level is 4.2 litres or less (low fuel warning)
Revised riding position (vs. last generation Kodiak 450) for improved rider comfort & confidence
- Revised handlebar design & bend
- Longer seat design
- Longer & wider floorboards
- Increased knee & legroom (vs last generation Kodiak 450)
Quick remove, seat with large under seat storage pocket
- Seat snaps into place - no levers to fuss with when removing seat
- Seat is 110 mm (4.3 inches) longer than last generation seat
- Storage pocket features multiple drain holes (storage pocket is not water proof)
Oversized floorboards
- Significantly longer & wider than last generation Kodiak 450 for increased foot room
- Excellent rider foot protection
- Helps reduce mud & water splash
Quick remove, seat with large under seat storage pocket
- Seat snaps into place &mdah; no levers to fuss with when removing seat
- Seat is 110 mm longer than last generation seat with addition thigh support
- Storage pocket features multiple drain holes (storage pocket is not water proof)
Aggressive angular body styling
- Injection-molded fenders & centre body with special scuff guard finish in selected areas
- Increased rider room Vs last generation Kodiak 450
High visibility lighting
- 30/30 watt Krypton main headlights (fender mounted)
Heavy duty steel front & rear racks with wrinkle finish paint for durability
- Front rack max load: 40 kg (88 lbs.)
- Rear rack max load: 80 kg (176 lbs.)
Rugged, cast "tongue-style" trailer hitch mount (ball not included)
- Towing capacity: 600 kg (1,322 lbs.)
Rugged front bumper with wrinkle finish paint for durability
12 volt DC outlet
- Conveniently located on centre body area just ahead of handlebars
- 10 amp / 120 watt, 12 volt DC outlet for work light, GPS, cell phone, etc.
Integrated winch wiring allows for easy installation of accessory winch
Low maintenance, sealed battery
YDT (Yamaha Diagnostic Tool) easy access, under seat coupler
- Yamaha's exclusive money & time saving diagnostic tool

engine

ENGINE

Liquid-cooled, SOHC, 4-stroke; 2 valves

Ignition

TCI

Starting

Electric

FINAL DRIVE

On-Command selectable 2WD or 4WD; shaft

LUBRICATION

Wet sump

DISPLACEMENT

421 cc

TRANSMISSION

Ultramatic V-belt with all-wheel engine braking; H, L, N, R, P

FUEL DELIVERY

Yamaha Fuel Injection (YFI), 34 mm

BORE AND STROKE

84.5 mm x 75 mm

COMPRESSION RATIO

10 : 1

chassis

TIRES (REAR)

AT25 x 10-12

BRAKES (REAR)

Multi-Disc wet brake

TIRES (FRONT)

AT25 x 8-12

BRAKES (FRONT)

Dual hydraulic disc

SUSPENSION (REAR)

Independent double wishbone / 189 mm (7.4") of wheel travel

SUSPENSION (FRONT)

Independent double wishbone / 171 mm (6.7") of wheel travel

critical data

WIDTH

1180 mm (46.5")

HEIGHT

1160 mm (45.7")

LENGTH

2035 mm (80.1")

Warranty

One year (unlimited mileage) / 10 Year Belt Warranty

WHEELBASE

1240 mm (48.8")

WET WEIGHT

289 kg (637 lb)

SEAT HEIGHT

855 mm (33.7")

Turn Radius

3.2 m (126")

Tread (Rear)

935 mm (36.8")

FUEL CAPACITY

14 L

Tread (Front)

930 mm (36.6")

Towing Capacity

600 kg (1,322 lb)

Rack Capacity (Rear)

80 kg (176 lb)

Rack Capacity (Front)

40 kg (88 lb)

Maximum Ground Clearance

245 mm (9.6")

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2025 Yamaha Kodiak 450

CAPABILITY

COMFORT

CONFIDENCE

CONFIDENCE

ENGINE

Chassis

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