Technology

R1's electronic package: straight from racing

R1's electronic package: straight from racing

A short introduction to the electronic systems that allow the R1 rider to focus fully on riding, with extreme precision and without distractions. LCS, LIF, TCS, SCS, QSS, PWR, YRC… what do they mean and what are the benefits?

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Yamaha Technology 2009: Crossplane crankshaft

Yamaha Technology 2009: Crossplane crankshaft

Completely new crossplane crankshaft design to increase the throttle and drive ability by reducing the inertia force.

Yamaha Technology 2007: YCC-I: Yamaha Chip Controlled Intake

Yamaha Technology 2007: YCC-I: Yamaha Chip Controlled Intake

The system changes the length of the intake funnel in order to maximize cylinder filling efficiency.

Yamaha Technology 2006: Slipper clutch

Yamaha Technology 2006: Slipper clutch

A ramp type slipper clutch, which absorbs the back torque forces transmitted from the rear wheel due to the engine braking forces.

Yamaha Technology 2006: YCC-T: Yamaha Chip Controlled Throttle

Yamaha Technology 2006: YCC-T: Yamaha Chip Controlled Throttle

An electronic-control throttle that is in fact a world’s first in being adopted on a production motorcycle, on the 2006 R6.

Yamaha Technology 1998: One-piece Plated Cylinder and Crankcase

Yamaha Technology 1998: One-piece Plated Cylinder and Crankcase

A plated cylinder in a single-unit with crankcase made possible by rapid plating technology. Adopted on the first YZF-R1 and other models.

Yamaha Technology 1996: Forged Aluminum Pistons - Controlled Forging Technology

Yamaha Technology 1996: Forged Aluminum Pistons - Controlled Forging Technology

A technology for forged aluminum pistons and their mass production that enables lightweight design. First adopted on the ’96 model YZF1000 ThunderAce. Used since on large-displacement sports models from the YZF-R series to the Midnight Star.

Yamaha Technology 1987: Exhaust Ultimate Power Valve - EXUP

Yamaha Technology 1987: Exhaust Ultimate Power Valve - EXUP

A variable valve system that eliminates “valleys” in the torque development curve in 4-stroke engines. With continual improvement since the first adoption on the ’87 model FZR400R, the latest version is used on the YZF-R1.

Yamaha Technology 1985: Aluminum Deltabox Frame

Yamaha Technology 1985: Aluminum Deltabox Frame

A high-rigidity aluminum frame construction that helps achieve outstanding handling stability. Adopted first on the ’85 model “TZR250”. Since then it has been adopted on important supersport models. The further evolved Deltabox frame now appears on the “R” series models.

Yamaha Technology 1982: Rising-rate Monocross suspension

Yamaha Technology 1982: Rising-rate Monocross suspension

Newly designed link mechanism

Yamaha Technology 1980: YPVS (Yamaha Power Valve System)

Yamaha Technology 1980: YPVS (Yamaha Power Valve System)

Effective exhaust timing control

Yamaha Technology 1973: First Monocross suspension

Yamaha Technology 1973: First Monocross suspension

Improved off-road drivability

Motorcycle Workshop. Part 6: Brakes and Braking

Motorcycle Workshop. Part 5: Rear Suspension

Motorcycle Workshop. Part 4: Front Suspension

Motorcycle Workshop. Part 3: Suspension Principles

Motorcycle Workshop. Part 2: Aerodynamics

Motorcycle Workshop. Part 1: Chassis Geometry

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