2021 Yamaha YZF-R1M
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2021 Yamaha YZF-R1M
MotoGP®-Derived Crossplane Crankshaft Engine
The 998cc inline-four-cylinder engine features Yamaha’s exclusive crossplane crankshaft technology derived from the YZR-M1 MotoGP® machine. Every aspect of this unique engine is built to thrill.
Digital Superbike Technology
The R1M® features a cable-less ride-by-wire Yamaha Chip Controlled Throttle (YCC-T®) system that transforms the rider’s inputs into motion, with a full suite of IMU-powered electronic rider aids that bring new meaning to the term "rider confidence."
Factory Level GPS Data Logging
The YZF-R1M® comes standard with an integrated Communications Control Unit (CCU) data-logging and GPS system that puts factory superbike technology in the palm of your hand, complete with GPS-powered course mapping, automatic lap timing, and Yamaha Ride Control (YRC) mobile device adjustability.
Dynamic Öhlins® Electronic Racing Suspension
The YZF-R1M utilizes the advanced Öhlins® ERS system, featuring the NPX gas-charged front fork. A dedicated suspension control unit rapidly adjusts the front and rear damping in real time for optimum suspension performance whether braking, cornering or accelerating.
Superbike Brakes and Tires
The YZF-R1M® utilizes track-focused braking hardware, featuring potent 4-piston radial-mounted front calipers, stainless steel front lines, big 320mm rotors with high-friction pads and a compact ABS unit. The Bridgestone® RS11 tires ensure true racetrack-ready traction with balanced road feel and handling.
Sharp Styling with Unique R1M Features
The 2021 YZF-R1M features sleek bodywork which creates an aerodynamic profile, with an integrated and harmonious design, complete with a carbon fiber front fender, windscreen fairing, side fairings and tail section with a numbered badge on top of the airbox cover.
Next Level R-Series Evolution
Yamaha engineers combined feedback from tracks around the world to set the bar even higher. The electronic systems boost rider confidence and control while the engine, suspension, brakes and aerodynamics complete the package.
Cutting-Edge CP4® Engine
The R1’s 998cc inline-four-cylinder engine features Yamaha’s exclusive crossplane crankshaft technology derived from the YZR-M1 MotoGP® machine. By equalizing inertial forces at the crankshaft, the CP4 motor delivers a direct feeling of linear torque, giving the rider the ultimate connection between throttle grip and the rear wheel.
High-Output Engine Technology
Titanium connecting rods use Yamaha’s precision fracture-split method to ensure reliability with minimal weight. Combined with titanium intake valves and forged pistons, these lightweight parts help achieve the CP4’s high redline and over-rev capability. The cylinder block is also offset from the crankshaft, reducing friction loads on the pistons and bores.
High-Performance Intake System
The cylinder head, intake system, fuel injectors and airbox work together to enhance part-throttle performance. And by creating a smaller and shorter intake tract, new injectors are able to spray fuel directly against the intake valves for improved fuel atomization.
Refined Rocker-Arm Valvetrain
Compact rocker-arm valve actuation uses optimized geometry to allow for larger valve lift than conventional cam-driven systems while using lower cam lobes and reduced spring pressure to reduce friction losses.
Lightweight Engine Components
Titanium engine internals, magnesium outer covers and aluminum fasteners are used across the engine to reduce weight.
Titanium Exhaust System
The R1M is equipped with a muffler and heat shields manufactured primarily from lightweight titanium. The compact midship muffler also centralizes mass low in the frame and as close to the center of the machine as possible for optimal handling.
Compact Stacked Transmission
A 6-speed transmission features close-ratio gearing to best match the high-revving engine. The transmission also "stacks" the input/output shafts to centralize mass and to keep the overall engine size shorter front-to-back, which optimizes engine placement in the frame for outstanding weight balance.
Yamaha’s assist and slipper clutch is used to give the rider more confident downshifts when entering corners aggressively, while still smoothly handling the torque of the R1’s high-output motor.
Öhlins® Gas-Charged NPX Fork
The YZF-R1M features Öhlins® gas-charged NPX fork system. By utilizing a pressurized nitrogen chamber similar to a rear shock, oil cavitation is essentially eliminated to deliver consistent damping under the toughest conditions with unmatched ride quality and feel.
Dynamic Öhlins® Electronic Racing Suspension (ERS)
The YZF-R1M features the advanced Öhlins® ERS system. The motorcycle’s IMU sends vehicle data—such as vehicle speed, lean angle, acceleration and brake pressure—to a dedicated Suspension Control Unit (SCU) which rapidly adjusts the front and rear damping in real time for optimum suspension performance whether braking, cornering, or accelerating. The ERS provides streamlined dynamic tuning modes for both street and track, as well as manual modes for conventional suspension tuning with fixed damping.
Brake Control (BC) System with ABS
Developed on racetracks around the world, Yamaha’s Brake Control system works with an Antilock Braking System (ABS) to minimize brake slip under aggressive braking or on less than ideal surfaces. The adjustable BC system uses the IMU to provide progressive brake force intervention as lean angle increases which boosts rider confidence when braking mid-corner.
Supersport Braking Components
The YZF-R1M features 4-piston radial-mounted front calipers riding on big 320mm rotors for excellent stopping power, with a high-friction pad compound, all supported by a 220mm rear disc and compact floating caliper. The ABS hydraulic unit is light and compact, and the high-quality braided stainless steel front lines provide firm yet responsive control feel.
Bridgestone® RS11 Tires
The R1M mounts the latest Bridgestone® RS11 tires which are designed to offer true racetrack-ready traction with balanced road feel and handling.
Race-Ready Magnesium Wheels
10-spoke cast magnesium wheels significantly lower rotational mass compared to conventional aluminum cast alloy rims, reducing unsprung weight for quick direction changes and responsive handling.
Compact Deltabox® Frame
The slim aluminum Deltabox® frame, magnesium subframe and polished aluminum swingarm contribute to a compact chassis design with outstanding track-focused handling. The motor mounts use the engine as a stressed member of the frame for optimal rigidity balance and fantastic cornering performance on the racetrack.
Sleek Styling With Unique R1M Features
The 2021 YZF-R1M features bodywork which creates an aerodynamic profile, with stylish lines that give a sleek and integrated design. R1M riders are treated to even higher levels of fit and finish thanks to carbon-fiber bodywork, including a carbon tail section, matched to a polished aluminum swingarm and topped with a serial-numbered badge.
LED headlights are both lightweight and compact, allowing for a more streamlined design of the front cowling with excellent visibility. The lights deliver a broader spread of illumination. LED front turn signals are integrated into the mirrors for improved aerodynamics while the LED tail light is stylish and highly visible.
The R1M features a brilliant full-color, thin-film transistor (TFT) meter, including front brake pressure and fore/aft G-force readouts which gives the rider feedback from the machine. It features both street mode and a track mode that focuses on performance information, such as YRC settings (including EBM and BC systems), a zoomed-in view of the tachometer in the upper rpm range, a lap timer, gear position indicator and speed.
Ride-by-Wire Throttle System
The R1M features a ride-by-wire Yamaha Chip Controlled Throttle (YCC-T®) system built around the Accelerator Position Sensor with Grip (APSG), which eliminates the throttle cables. As before, YCC-T precisely senses throttle input by the rider and actuates the throttle valves to actively control intake volume, allowing for cutting-edge computerized engine management, all in a lighter package.
Variable Intake System
The YZF-R1M features Yamaha’s Chip Controlled Intake (YCC-I®), a variable intake system that broadens the spread of power across the entire rpm range. By actively adjusting the length of the intact system based on engine speed, the CP4 engine is able to provide a broad spread of power across the rpm range.
Yamaha’s Inertial Measurement Unit (IMU) combines a gyro sensor and G-sensor accelerometer that measures all six axes of movement in 3-D space at a rate of 125 calculations per second. This information is fed into the Engine Control Unit (ECU) to create a detailed picture of the motorcycle’s position, which then powers the R1’s rider-assisting technology package, Yamaha Ride Control (YRC).
Factory Level GPS Data Logging
Yamaha’s unique Communication Control Unit is an integrated data-logging and GPS system that puts factory superbike technology in the palm of your hand. Vehicle data can be recorded with course mapping and automatic lap timing managed by GPS, then wirelessly downloaded to the Android® or Apple® iOS® app where it can be analyzed. The rider is then able to adjust system settings and upload these changes back to the R1M for the next track session.
Engine Brake Management (EBM)
The YZF-R1M features an EBM system that allows the rider to adjust engine braking to suit personal preferences and track conditions. The EBM system offers three levels of engine brake force to allow smoother corner entry.
Power Delivery Mode (PWR)
PWR mode lets the rider adjust engine response to best match their preferences and riding conditions, adjusting throttle feel, responsiveness and overall power. The PWR system offers four settings of progressive power delivery.
Lean Angle-Sensitive Traction Control System (TCS)
The R1M’s TCS calculates the differences in front and rear wheel speeds to monitor and reduce unwanted wheel spin during hard acceleration. Unlike many simplified TC systems, the R1M also uses the IMU to calculate lean angle, then adjusts the amount of TCS intervention to best suit the rider’s demands. The TCS offers ten separate settings enabling the rider to dial in the exact level of control needed.
MotoGP®-Developed Slide Control System (SCS)
Yamaha’s SCS comes directly from the YZR-M1 MotoGP® bike. By using the IMU to detect lateral slides under hard cornering acceleration, the ECU intervenes to regulate power delivery and seamlessly control the motorcycle’s cornering attitude. The SCS features four settings to suit rider preferences and track conditions.
Lift Control System (LIF)
The Lift Control System utilizes the IMU to detect when the motorcycle’s nose pitches upwards higher or faster than desired, then progressively regulates engine power to maintain chassis attitude with minimal loss of forward drive. LIF offers four settings of adjustment for fine tuning
Launch Control System (LCS)
Built to deliver an optimum racetrack start every time, the R1M’s LCS limits maximum engine rpm and throttle plate opening with input from the TCS and LIF systems to maximize acceleration from a standing start. The LCS offers three setting levels to adjust engine control and output.
Up and Down Quick Shift System (QSS)
The QSS uses a sensor on the shift linkage to modulate power during shifting, allowing for split-second clutchless shifts up and down through the gearbox. Full-throttle upshifts maximize forward drive under power, while the ECU precisely matches engine speed while downshifting for nearly instantaneous gear changes with minimal chassis disruption. The QSS can be adjusted between three settings with independent downshift function control.