Yamaha MT-09

Engine

• Slim, compact, 847cc, DOHC, 4- valve, liquid-cooled, 42.5 degree inclined, inline-three cylinder engine. The engine has been tuned to provide plenty of low & mid-range torque with strong yet linear throttle response.

  • 4-valve, downdraft style combustion chamber

  • excellent torque output… especially in the low to mid rpm range

  • 4-valve design maximizes flow into & out of combustion chamber

  • 31 mm intake & 25 mm exhaust valves

  • valve angle is 26.5 degrees to keep combustion chamber compact

  • stainless steel valves feature an Isonite surface treatment & carburized tips for excellent durability & wear resistance

• Valve adjustment intervals are every 42,000 kms.

• 120 degree crankshaft.

  • design reduces inertia torque while emphasizing linear torque in response to the rider’s throttle action

  • design has been optimized to achieve strong torque over a broad rpm range

  • fast, linear throttle response

  • engine design allows a whole new level of “rider – machine communication”

• Lightweight “coupling force balancer” is used to reduce engine vibration for excellent rider comfort.

• “Fracture split” connecting rods feature a “nut less” design.

  • lower end “cap” of the rod is made from the same piece of material as the upper portion; the 2 pieces are “split” apart using a special fracturing process & then machined

  • design aids in establishing true big end roundness & greater precision in con rod dimensions for excellent durability despite the high horsepower loads.

  

• Lightweight, forged, aluminum short skirt pistons.

  • design aids in fast engine response

  • reduces mechanical vibration

  • excellent durability

• Direct ceramic composite plated cylinder uses “liner less” bores.

  • ceramic coating sprayed directly on the aluminum block, eliminating the liner & reducing weight

  • excellent heat dissipation for consistent power delivery

  • coating enhances the thin film of oil between the cylinder & piston, reducing friction & increasing power

• Offset cylinder design.

  • cylinder is “offset” relative to the crank (toward exhaust side)

  • reduces frictional losses between the pistons and the cylinder wall during the power stroke for improved power output

• One-piece cylinder and upper crankcase assembly.

  • superior engine & chassis rigidity (engine is a stressed member)

  • reduces weight

• Lightweight hollow camshafts.

  • cam profiles are designed for excellent torque in the low & mid rpm range

• Crankcases feature a “Tri-Axis” layout for the crank, main & drive axles.

  • creates a more compact & shorter engine front to back

  • shorter engine allows for optimum engine placement in the “sweet spot” of frame for desired weight distribution & great handling

  

• Closed loop Mikuni, 41mm, throttle body fuel injection system.

  • system uses throttle position sensor (TPS) & acceleration position sensor (APS)

  • injectors feature 12 holes & 20 degree spray pattern

  • injectors spray fuel directly at the intake valve

  • “closed loop system” uses an oxygen sensor to “sniff” spent exhaust & automatically adjust the fuel / air ratio for reduced emissions

  • fuel injection benefits include choke-free starting, steady idling during warm up, excellent fuel economy & reduced emissions

  

• Yamaha Chip Control Throttle (YCC-T).

  • YCC-T electronically controls throttle valves for outstanding throttle response & controllability

  • YCC-T system provides precise control of intake air volume for a smoother torque curve

  • ECU that controls YCC-T is capable of responding to changes at a speed of 1000th of a second

• Yamaha D-Mode variable throttle control … 3 modes available.

  • enables the rider to adjust the performance characteristics of the engine based on riding preferences or riding conditions

  • standard mode emphasizes very linear throttle & torque feel of the engine

  • A mode allows the rider to enjoy even sportier engine performance in the low to mid rpms

  • B Mode reduces throttle response for riding situations that require softer power characteristics, such as slippery or wet conditions

  • D-Mode button is conveniently located on the RHS handle bar switch gear

• Traction control system with 2 modes plus off.

  • mode 1 provides mid-level intervention (allows some wheel spin)

  • mode 2 provides maximum intervention (no wheel spin)

  • works in conjunction with the YCC-T system (utilizing same wheel sensors as ABS system)

  • system senses when the rear wheel begins to spin & modifies the YCC-T function, ignition timing & fuel injection volume to reduce power & eliminate wheel spin

  • status indicator / warning light in meter assembly

  

• Electronic Control Unit (ECU) utilizes a powerful 32-bit processor for fast control of the injection, engine management & ignition processes.

• Air box features dual resonator chambers & unequal internal intake funnel lengths for all 3 cylinders.

  • benefit is a wide torque curve & exciting intake sound that accentuates the exhaust note

  • viscous paper type air filter is used

• Compact 6-speed transmission.

  • gear ratios are optimized to accentuate the torque & throttle response of the engine

  • accessory plug & play quick shifter

• Compact, slipper (back limiter) clutch with assist.

  • slipper clutch reduces the negative effects of engine braking on handling & suspension

  • reduces rear wheel hop/ chatter when decelerating for improved riding performance & smoother corner entries

  • assist function reduces clutch lever effort by up to 20%

• Accessory quick shifter ready.

  • allows for faster upshifts by eliminating the need to close the throttle or pull in the clutch

  • works with standard shift pattern

  • reduces wear & tear on the clutch & transmission

  • easy plug-and-play installation (part number: BS2-E81A0-V0-00)

• Revised, compact, low mounted, 3 into 1 exhaust system.

  • stainless steel header pipes with special “Nano-film” coating

  • muffler is a triple expansion type with a 3-way honeycomb catalyzer to reduce emissions

  • low mounted design centralizes mass for excellent handling & light weight feeling

  • revised muffler cover & end cap for improved appearance

• Flat design radiator with new side scoops.

  • protector plate on lower edge of rad prevents small stones from hitting the rad & cooling fan

  • new side scoops direct air into rad plus adds a styling protector plate on lower edge of rad prevents small stones from hitting the rad & cooling fan

• Wet sump lubrication system with liquid-cooled oil cooler & easy access drain plug & oil filter.

  • liquid-cooled oil cooler maintains stable lubricant temperatures for extended engine life

  • easy access spin-on type oil filter & drain plug for fast oil changes

• 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

• Air Injection System (AIS… not ram air) injects fresh air into exhaust ports to fully burn any unburnt fuel, reducing exhaust emissions.

SUSPENSION

• CF (Controlled Filling) die cast, twin spar, diamond-type, aluminum frame

  • provides an optimized rigidity balance for incredible sports performance & excellent stability

  • engine is a stressed member of the chassis, allowing a lighter, more compact main frame

  • light, agile handling qualities

• Riding position is one of the most important features of the MT-09 chassis.

  • upright seating position offers a balance between sports handling & excellent rider comfort

• Key chassis geometry figures include:

  • 1440mm (56.7″) wheelbase, 25 degrees of rake & 103 mm of trail

  • front to rear weight distribution is 51 / 49%

  • lean angle is 51 degrees, highlighting the sporty nature of the MT-09

  • chassis dimensions & shape are designed to enhance the qualities of the 3 cylinder engine, to centralize mass & lower the centre of gravity

• Detachable, round tube steel rear sub frame.

  • allows easy access to rear suspension components

  • reduces costs in the event of damage

• Externally mounted, C.F. (Controlled Filling) die cast aluminum, truss-type rear swingarm.

  • external design means the swingarm mounts on the outside of the frame spars… not the inside

  • external design keeps unit narrower in the seat – fuel tank junction which influences seat height & makes it easier to touch the ground

  • lightweight design reduces unsprung weight for superior suspension performance

  • excellent rear wheel traction & control

• Fully adjustable, 41mm inverted fork offers 137mm (5.4″) of wheel travel.

  • spring preload, compression & rebound adjustability

  • separated adjustments; compression adjustment in right fork, rebound in left fork

  • inverted design benefits include, reduced “unsprung” weight & reduced fork flex since the larger diameter tubes are gripped in the triple clamps

  • adjustable design allows the rider to tailor suspension settings to match rider weight, road conditions & riding style to optimize handling & suspension performance

• Lightweight, aluminum upper & lower triple clamps.

• Adjustable link-type Monocross rear suspension with 130 mm (5.1″) of wheel travel.

  • rear shock adjustments include: 7-steps of spring preload & 3 turns of rebound damping

• ABS equipped, dual 298 mm floating front discs squeezed by radial mount, mono-block, 4-piston calipers.

  • radial mount design helps to reduce caliper distortion for improved braking performance

  • master cylinder uses a 16 mm piston

  • excellent stopping power & control with good lever feedback

• ABS equipped, 245 mm rear disc squeezed by a lightweight single piston, slide-type Nissin caliper.

• Anti-lock braking system (ABS).

  • ABS controlling ECU & hydraulic unit are combined into a single compact unit to reduce weight & centralize mass

  • when ABS system senses impending wheel lock-up (via active type wheel sensors) it regulates hydraulic braking pressure to the point just before the wheel or wheels lock-up

  • ABS benefits include; excellent control under hard braking or when braking on wet, slippery or loose surfaces

• Lightweight, cast-aluminum 10-spoke wheels.

  • lightweight design reduces unsprung weight for excellent suspension & handling characteristics

  • front rim size is MT3.50-17; rear rim size is MT5.50-17

• Conventional, tapered aluminum handlebar.

  • lightweight & strong

  • offers a comfortable, upright riding position for excellent all day riding comfort

  • traditional design allows easy replacement to a different “bend” if desired

• 14-litre steel fuel tank.

  • slim design with great knee grip

  • steel allows use of magnetic style tank bags

  • reserve portion of the tank is 2.8 litres (low fuel light illuminates)

  • internal electric fuel pump

• One piece, long design rider & passenger seat.

  • seat height is 815 mm (32.1″)

  • dual texture seat cover

• Compact, liquid crystal multi-function meter / instrument.

  • functions (all digital) include: bar-style tachometer, digital speedometer, odometer, dual trip meters, fuel gauge, fuel reserve trip meter (counts kilometers since low fuel light illuminated) coolant temperature, gear indicator, instant & average fuel consumption, intake air temperature, D-mode display & engine trouble diagnostic mode

  • background illumination is adjustable

• Super aggressive, LED “twin eye” headlights with LED position lights.

  • compact LED twin headlights (2 – LEDs per headlight)

  • on low beam the inner 2 – LEDs illuminate; on high beam all 4 – LEDs illuminate

  • LED position lighting below the main twin eye lights (3 – LEDs per strip)

  • LEDs have a much longer service life Vs. conventional bulbs & also use less power

  • LED lighting compliments MT-09’s aggressive, lightweight “naked roadster styling”

• 4 – LED tail light with unique running / brake light display.

• Forged aluminum, swingarm mounted rear fender & license plate holder.

DETAILS

Triple auxiliary DC connectors (2 x 2A & 1 x 5A)
Lightweight forged aluminum footrests, shifter and rear brake pedal
Lockable steering
Excessive lean angle engine cut-out switch (if unit is on its side the engine will shut down)
Durable “O”-ring drive chain
Convenient oil level sight glass
Low-maintenance sealed battery (battery should be charged during winter storage)
Yamaha diagnostic tool connector