- High-performance, 1,854cc (113 cubic inch) air-cooled, long-stroke, OHV, 4 -valves per cylinder, 48°, V-twin.
- engine produces massive torque & strong acceleration from very low rpms
- max torque @ 2,500 rpm & max power @ 4,500 rpm
- Electric starting.
- auto decompressor system for fast, sure starts
- OHV, 4-valve "pent roof" cylinder heads with 9.5:1 compression ratio.
- 4-valve design optimizes breathing efficiency & overall engine performance at all rpms
- two spark plugs per cylinder means faster, more complete combustion for maximum power
- special oil passage near exhaust valve seats improves cooling & durability
- Twin, crankcase-mounted, cams with hydraulic valve lifters & traditional push rod valve actuation.
- cam profiles & timing provide strong torque & acceleration across the entire rpm range
- hydraulic valve lifters reduce mechanical engine noise & maintenance
- design ensures more uniform heat dissipation due to absence of cam chain case
- reduces engine height for a lower centre of gravity for light, easy handling
- "Dual chamber" crankcase design.
- front section for the crank assembly; rear section for the transmission
- dual 3-rotor high capacity oil pumps optimizes oil flow in the two main sections of the engine
- Single pin style crankshaft.
- design accentuates V-twin engine character & sound
- optimized flywheel mass allows the rider to feel the directness of the engine's power
- Crankshaft damper assembly.
- absorbs fluctuations in drive torque, optimizing the V-twin pulse feeling
- helps provide a smooth, pleasant feeling when riding at slower speeds in a higher gear
- Engine balancer.
- reduces engine vibration for a smooth, comfortable ride
- Lightweight, forged aluminum pistons with alumite coating.
- less reciprocating mass (light weight design) means faster engine response & reduced mechanical vibration
- alumite coating reduces friction
- special ring & ring land design for excellent durability
- special oil jet nozzles spray oil at underside of pistons to reduce piston & rod temperatures
- 100 mm "ceramic composite-plated" cylinder bores.
- excellent heat dissipation for consistent power delivery
- ceramic coating enhances the thin film of oil between the cylinder & piston, reducing friction & increasing power
- Cylinder cooling fin thickness & depth is optimized.
- excellent heat dissipation (eliminates the need & complexity of liquid cooling)
- classic air-cooled V-twin engine appearance
- each cooling fin is specially machined to create a styling highlight
- Dry sump oil lubrication system.
- oil tank is integrated into left side of rear sub frame to reduce weight
- dry sump system reduces engine height (no deep oil pan), which lowers the centre of gravity for great handling & a light, agile feel
- easy access, spin-on type oil filter for faster oil changes
- Air-cooled, oil cooler.
- maintains stable oil temperatures for optimum lubrication & extended engine life
- "Closed loop," single body, Mikuni throttle body fuel injection.
- system uses a single throttle body with a throttle position sensor (TPS) to help optimize intake air flow
- 12-hole injector maximizes fuel atomization & features a dual spray pattern for more complete combustion chamber filling
- "closed loop system" uses dual oxygen sensors to "sniff" spent exhaust gases & automatically adjust the fuel / air ratio for reduced emissions
- oxygen sensors are located before the mufflers, so the use of aftermarket "slip-on" mufflers will not affect the system
- fuel injection benefits include choke-free starting, steady idling during warm up, excellent throttle response & fuel economy & reduced emissions
- Large capacity air box.
- air box intake duct is located inside the right side middle fairing for a good flow of fresh, cool air
- high capacity, viscous type paper air filter
- Cable-less Yamaha Chip Control Throttle (YCC-T) system (a.k.a. APSG or Accelerator Position Sensor with Grip).
- YCC-T electronically controls throttle valves for outstanding throttle response, controllability & a smoother torque curve
- YCC-T features D.C. motor driven throttle valve for precise control of intake air volume
- this generation YCC-T system is a cable-less design (no throttle cables, pulleys etc.)
- 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 (2 modes available).
- enables the rider to adjust the performance characteristics of the engine based on riding preferences or riding conditions
- S-Mode allows the rider to enjoy full engine performance & power
- T-Mode slows throttle response for situations that require softer power characteristics, such as slippery or wet conditions.
- "T-Mode" is also well suited for more relaxed touring & reduces fuel consumption
- Yamaha Traction control system.
- utilizes front & rear wheel sensors (same sensors as ABS system)
- system senses when the rear wheel begins to spin & modifies the YCC-T function, ignition timing & fuel injection to reduce power & eliminate wheel spin
- traction control helps maintain traction when accelerating on slippery surfaces
- system is automatically engaged when the ignition is on... can be turned off if desired
- Electronic cruise control system.
- "settable range" is from 50 to 160 km/hr. & transmission must be in 3rd gear or higher
- cruise control can be cancelled by activating front or rear brakes, pulling in the clutch, completely closing the throttle grip or using the system setting buttons (left hand handlebar switch gear)
- Smooth-shifting, 6-speed transmission.
- optimized ratios take advantage of the engine's massive torque for strong acceleration & less shifting
- low 1st gear makes pulling away from a stop easy, while 5th & 6th gears are overdrive gears for reduced engine rpms at highway speeds
- engine spins at approximately 2,750 rpm in 6th gear at 120 km/hr.
- Heavy duty, hydraulic "assist & slipper" clutch.
- assist function reduces clutch lever pull by 20%
- back torque limiter a.k.a "slipper clutch" reduces the effects of engine braking when downshifting or decelerating
- low maintenance, self-adjusting hydraulic master cylinder provides smooth clutch lever operation
- Low maintenance, belt drive final drive.
- cleaner & quieter than chain drive with no messy chain splatter
- more efficient than shaft drive due to minimal power losses
- significantly reduces maintenance vs chain or shaft... no regular adjustments or lubrication required
- belt is embedded with carbon fiber cords for incredible strength & durability
- State-of-the-art electronic control unit (ECU).
- ensures precisely metered fuel delivery
- optimal ignition spark control using 3D mapping for each cylinder
- 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, 2-into-2 exhaust system provides a crisp, powerful exhaust note.
- large diameter header pipes & dual mufflers provide optimum flow & help to boost torque & power
- oxygen sensors are located in the header pipes ahead of the mufflers
- dual 3-way honeycomb catalyzers reduce exhaust emissions
- distinct & different exhaust notes at low & high rpms (exhaust note changes as rpms increase)
- heat shields on header pipes protect rider & passenger from hot components
- Air injection system.
- injects fresh air into exhaust ports to fully burn any unburnt or partially burnt fuel
- reduces exhaust emissions
- Special "air cut valve" reduces backfiring when decelerating or coasting off throttle.
- "Sure-Park" parking support system for easier, precise maneuverability when parking.
- system utilizes a dedicated electric motor that allows the bike to move forward or backward at approx. 1 km/hr.
- unit must be idling (running) in neutral
- Sure-Park engagement lever (just below left side of seat) & forward — reverse buttons (left handlebar switch gear) control the Sure-Park system
- Dual alternating current magnetos (ACM).
- produce up to 750 watts of power
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EXPERIENCE
OPERATION