2026 Yamaha WOLVERINE X4 850 XT-R

Key Features

• Powerful 847cc twin-cylinder engine
• Fully adjustable KYB® piggyback front shocks
• Advanced electric power steering (EPS)
• On-Command® four-wheel drive system
• Premium blue-backlit all-digital meter
• 12-inch aluminum wheels wrapped in GBC® Dirt Commander tires
• Front bumper with WARN® VRX 4,500 winch

ENGINE

• Compact, 847cc, liquid-cooled, DOHC, 8-valve, inline twin cylinder engine provides lots of torque across the rev range with linear throttle response.
  • Features Yamaha’s Chip Controlled Throttle (YCC-T)
  • compact engine design allows it to be placed in the centre of the chassis allowing a shorter wheelbase for excellent off road capabilities
  • engine is designed to provide smooth, quiet operation for maximum enjoyment
  • 4-point rubber engine mounts reduce vibration
• 4-valve design maximizes flow into & out of combustion chamber
  • 31.5 mm intake & 26.5 mm exhaust valves
  • stainless steel valves feature an Isonite surface treatment & carburized tips for excellent durability & wear resistance
• Lightweight hollow camshafts.
  • cam profiles are designed to accentuate torque & power throughout the rev range
  • automatic cam chain tensioner reduces both mechanical engine noise & maintenance
• “Cross Plane Concept” 270 degree crankshaft.
  • design reduces inertia torque while emphasizing linear torque
  • design has been optimized to achieve strong torque over a broad rpm range
  • CP Concept offers excellent “drive-ability” and linear throttle response
• Lightweight gear driven balancer shaft.
  • reduces engine vibration for excellent rider / passenger comfort
  • reduced vibration also improves engine durability
• Forged connecting rods feature a “nut less” design.
  • rods are heat treated for excellent durability
• Lightweight, concaved forged aluminum short skirt pistons.
  • design aids in fast engine response & reduced mechanical vibration
  • excellent durability
• “Liner less” bores with direct nickel ceramic plating sprayed directly on the aluminum block.
  • design eliminates the need for liners / sleeves & reduces weight
  • excellent heat dissipation & durability for consistent power delivery
  • cylinder block is incorporated into the upper engine case to reduce weight
• Offset cylinder design.
  • cylinder is “offset” relative to the crank (toward exhaust side)
  • offset design reduces the side load (friction) on the pistons during the power stroke for improved power output & excellent fuel economy
• Dry sump lubrication system with heat exchanger type oil cooler.
  • oil tank baffling system prevents oil starvation in rugged /difficult off road environments
  • dry sump oil system reduces engine height for a lower centre of gravity (no deep design oil pan)
  • heat exchanger type oil cooler maintains consistent oil temperatures for improved durability
  • spin-on type oil filter for fast oil changes
• Yamaha Chip Control Throttle (YCC-T) system (a.k.a. “fly by wire throttle”).
  • YCC-T electronically controls the throttle valves for outstanding throttle response
  • YCC-T provides precise control of intake air volume for a smoother torque curve
• “Closed loop” dual 36 mm Mikuni throttle body fuel injection.
  • system uses a throttle position sensor (TPS) for optimum performance (TPS is linked to the ECU & ignition mapping)
  • 12 hole injectors for optimum fuel atomization
  • system is “tuned” to provide excellent “drive-ability” & “linear” throttle control
  • fuel injection benefits include choke-free starting, steady idling during warm up, excellent fuel economy & reduced emissions
• Easy access, high mounted, high flow 11.5 litre air box features primary & secondary air filters.
  • primary filter is a washable foam design, secondary filter is a wet viscous paper filter
  • no tools, clip-style air box lid for easy access
  • air box & ducting are designed to reduce intake noise
  • no tools required air box & duct work drains
• Yamaha’s industry leading “Ultramatic” CVT (fully automatic) 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
  • engine braking also reduces brake wear & servicing
  • Ultramatic design features a special centrifugal clutch which keeps constant tension on the V-belt to reduce 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 a “no tools required” drain plug
  • automotive style, gated, 5-postion shifter (high, low, neutral, reverse & park)
• Super convenient, servo motor controlled, push button On Command 4WD drive system.
  • On Command drive system features 3 modes: 2wd, 4wd limited slip & 4wd differential lock
  • On Command drive system lets you select the best mode for the conditions… not the machine
  • 4wd differential lock provides power to all 4 wheels for maximum traction and “bite”
• Hi-low- reverse transmission features helical cut gears.
  • helical cut gears reduce mechanical noise & provide smooth, easy shifting
  • transfer case style transmission (separate transfer case bolts to engine)
  • console mounted, automotive style gated shifter (H-L-N-R)
• Heavy duty front & rear drive shafts & new design front & rear gear cases.
  • single piece front & rear drive shafts
  • ring & pinion gears use a spiral design to reduce noise
  • front & rear CV drive shafts feature heavy duty “Peest” rubber boots to protect the CV joints for extended service life & durability
• High flow, high efficiency cooling system with recovery tank.
  • high mounted rad & special rad side covers offer maximum rad protection
  • 7 – blade ring type cooling fan for maximum airflow through the rad
  • under hood access panel & drain cut-out built into the rad shroud for easy rad cleaning
  • over heat warning buzzer
• Quiet, full stainless steel 2 into 1 exhaust system.
  • system features a cleanable spark arrestor to prevent stray sparks from exiting the exhaust
  • 3-way catalyzer & oxygen sensor (closed loop fuel injection) help reduce exhaust emissions
  • stainless steel design helps prevent rusting
• Maintenance-free transistor controlled ignition (TCI).
  • produces a strong spark for fast starts
  • provides precise ignition timing / mapping for optimum engine performance at all rpms
• High performance direct ignition coils (ignition coil is built into the spark plug caps).
  • reduces weight & complexity
• Speed Key (a.k.a.) Valet Key.
  • limits vehicle top speed to 40 km/hr (25 mph) when Speed Key is on
  • under hood key operated system (key is removable to prevent tampering)
• High output AC magneto.
  • AC magneto produces 600 watts of power for the vehicle & related optional factory accessories

Chassis

• Rugged, compact, round tube steel frame.
  • wheelbase is only 35 mm (1.4″) longer than 2 seater Wolverine for exceptional off road capabilities & a tight turning radius
  • compact design provides nimble, responsive handling & excellent terrain-ability
  • special frame design positions the rear seats slightly higher than the front seats
  • frame mounted 2″ hitch receiver (907 kg / 2000 lb towing capacity)
• Full length steel under frame skid plates (high impact plastic front plate).
  • underside of unit is fully protected by rugged steel skid plates with recessed fasteners
  • oil drain holes & other access holes in skid plates for easy service-ability
  • skid plates enhances terrain ability by allowing unit to slide more easily over obstacles
• ROPS roll over protection structure (ANSI / ROHVA-1-2011 standard). *Speed sensitive, rack & pinion-type, Electric Power Steering (EPS).
  • significantly reduces steering effort resulting in less rider fatigue & improved rider comfort
  • speed sensitive system; more assist at slow speeds, less assist at higher speeds for optimum control
  • significantly reduces trail feedback through the steering wheel when a wheel strikes an obstacle
  • fully sealed EPS system (electrics & gears) with marine grade connectors
• Adjustable, independent double wishbone front suspension with front stabilizer bar.
  • KYB oil & nitrogen gas shock with 5-position cam-style preload adjuster & colour matched springs
  • 246 mm (9.7″) of front wheel travel
  • front stabilizer bar controls / limits body roll for added confidence & comfort
• Dual “Wide Arc” style front A-arms.
  • “Wide Arc” design increases ground clearance in the centre of the machine
  • 273 mm (10.7″) of ground clearance
  • heavy duty plastic CV boot guards
• Adjustable, independent double wishbone rear suspension with rear stabilizer bar & self leveling rear shocks.
  • Sachs self leveling “Nivomat” nitrogen charged shocks with dual rate, colour matched springs
  • self leveling shocks help provide consistent ride comfort & maintains wheel travel even when the unit is loaded (people & cargo)
  • stabilizer bar controls / limits body roll for added rider confidence & comfort
  • 221mm (8.7″) of rear wheel travel
  • rugged plastic CV & CV boot guards
• Four-wheel hydraulic disc brakes.
  • dual 207 mm (8.1″) front rotors squeezed by twin piston calipers
  • dual 207 mm (8.1″) rear rotors squeezed by twin piston calipers
  • rear drive shaft mounted 200 mm disc style parking brake with centre console mounted automotive style parking brake lever
• 35 litre fuel tank.
  • low fuel warning indicator light in multi-function meter
  • Evap control system helps to prevent raw fuel vapours from entering the atmosphere
• Easy to read, fully digital LCD multi-function meter assembly.
  • functions include: speedometer, odometer, dual trip meters, fuel gauge, hour meter, clock, voltage display, On Command mode status, transmission gear indicator, Speed Key mode & various warning lights including low battery, temperature warning & more
• Automotive style dashboard.
  • dashboard includes: On-Command switch, ignition switch, 12 volt DC outlet ( 10A / 120W); glovebox & blank accessory plugs for additional accessories
  • rear seating area also has 12 volt DC outlet (10A / 120W)
• Adjustable tilt steering wheel & driver’s seat.
  • 12 degrees of tilt steering wheel adjustability (no tools req’d)
  • infinite adjustability within the 12 degrees of movement
  • quick adjust driver’s seat provides 100 mm (3.9″) of movement with 8 pre-set positions of fore-aft adjustability (no tools required)
  • high grip, textured front & rear floor surface
• Roomy 4-person seating with 3-point seat belts & passenger hand holds.
  • contoured high back bucket seats (4) provide all day riding comfort
  • stadium style rear seats are 100 mm (3.9″) higher than front seats for excellent passenger sightlines
  • quick adjust driver’s seat provides 100 mm (3.9″) or 8 pre-set positions of fore-aft movement (no tools required)
  • high grip, textured front & rear floor surface
  • adjustable front passenger hand hold & rear passenger hand holds (non-adjustable) for additional passenger security, confidence & comfort
  • easy to adjust, 3-point seat belts for all
  • dashboard mounted seat belt & helmet reminder / warning lights
• Colour matched, roto-molded, plastic doors & special shoulder bolsters.
  • doors provide added security & comfort for driver & passengers
  • doors helps reduce mud & water splash from entering the cockpit
  • shoulder bolsters help ensure driver & passengers stay inside the vehicle in the event of a roll over
• Centre console storage & drink holders.
  • centre console storage compartment (under centre console arm rest)
  • glove box storage compartment
  • dual centre console mounted drink holders
  • 4-rear console drink holders
• Super versatile, polyethylene, convertible cargo bed.
  • 2 sizes of cargo bed are available depending on seating arrangement
  • with 4 seats in place the cargo bed measures 220 mm (8.7″) L x 1100 mm (43.3″) W X 330 mm (13″) H & can hold 71 kg (158 lb) of cargo
  • folding down the convertible rear seats (leaving 2 front seats only) the cargo bed measures 900 mm (35.4″) L x 850 mm (33.5″) W X 300 mm (11.8″) H & can hold 272 kg (600 lbs.)
  • rear seats can be folded without the use of tools
  • 8 steel tie down points in the full size bed; 4 points in the smaller bed configuration
  • single lever tailgate openerNote: regardless of configuration cargo bed does not dump
• LED Lighting.
  • dual LED headlights
  • dual LED tail lights with brake light function
• Heavy duty, 2″ receiver style trailer hitch mount.
  • towing capacity is 907 kg (2,000 lbs.)
  • maximum torque weight is 50 kg (110 lb)
• Aggressive styling with front & rear over fenders.
  • injection-molded body components resist damage
  • slant low nose design provides excellent visibility of the terrain ahead
  • stylish front & rear over fenders reduce splash
• Low maintenance, sealed battery (battery should be charged during extended storage).
  • convenient under hood location for protection & accessibility

DETAILS

• Factory Installed WARN® Winch.
• Single lever tailgate
• Truck style tailgate with dual lanyards to support when open.
• Marine grade waterproof connectors.
• Front & rear floor drains with rubber drain covers.
• Dual 12 volt DC outlets
• (10A / 125 watt each) in front & rear seating areas
• Yamaha diagnostic tool connector
• YDT tool performs many functions & saves time & money when diagnosing issues. YDT can also store service history too