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Yamaha eBike Systems


Yamaha one of the most trusted motor cycle brands is also one of the most trusted and used E-bike motors on the market offering unrivalled reliability and quality see their range of motors and their stats.



PW Series


The overall concept for the PWseries is "smooth and powerful". While providing the smooth electric-assist expected by many general e-Bike users, our systems are equipped with powerful support and a natural, "organic" assist feel in the high speed range as well. The "triple sensor system" is what enables this "organic assist feel" that has been part of Yamaha's development philosophy from the start.

The three sensors refer to: 1. a torque sensor that detects pedaling power, 2. a speed sensor that detects the bicycle's speed, and 3. a crank sensor that detects the number of rotations through pedaling. The sensors instantly detect the running conditions and the movement of the rider with precision, allowing for a smooth and powerful assist.

One aim of the PWseries is to win over the hearts of athletic, sporty cyclists, in addition to the every-day users




Motor

Yamaha have succeeded in developing one of the world's smallest and lightest drive units. This involves the direct transmission of the motor power to the crankshaft, providing for a minimal exterior design. The high-power motor has ample amounts of low-down torque, making electrical assist on hills and gravel roads - under the hardest of conditions - extremely powerful.

  • 1

    Support up to 25km/h

  • 2

    Rated power: 250W

  • 3

    Peak torque: 80 Nm

  • 3

    Continuous maximum torque: 70 Nm

Power Packs

Yamaha power packs are amongst the lightest and most compact batteries available on the market.

Available in 400 Watt and 500 Watt variations and frame and rack mounted styles

  • 1

    400Wh - Lithium-ion battery: 36V
    500Wh - Lithium-ion battery: 36V

  • 2

    400Wh - Charging time: approx. 3.5hrs
    500Wh - Charging time: approx. 4.0hrs

  • 3

    400Wh - Weight: 2.9kg
    500Wh - Weight: 3.0kg

Head Unit

The LCD multi function Drive Controller is designed for and has the specs to satisfy all forms of riding.The newly adopted vertical display makes information such as remaining assist distance highly visible.

Drive control: 4 selectable assist modes:The main LCD also offers the follwoing info: Battery capacity indicator, Assist power meter, Cycle computer, Range meter, Cadence meter, Clock, Removable display

Power modes::

  • 1

    High: Provides a constant and powerful assistance. Perfect for riding uphill.

  • 2

    STD: Satisfies both power and cruising range. Recommended for daily use.

  • 3

    Eco: Saves energy for an extended cruising range. Best used when cruising on a flat road.

  • 3

    Eco +: Range of +Eco mode will be approximately 30% longer than Eco mode.



PW-Xseries


Yamaha sought to make their system lighter, to improve quick response, and to achieve higher power. From low speed range to high speed range, a drive unit more loyal to the rider's will thanever before creates a totally new riding experience.




Motor

"BEING ONE WITH THE MACHINE" Rider and machine truly unite as one. That is the "philosophy of development", consistently held by Yamaha. Not a single note of discord between man and machine can be allowed, in order to achieve this. What Yamaha did was pursue in the development of a new assist system?

Realisation of a "PURE RIDE" in which riders can completely immerse themselves in the ride. Yamaha filtered out the "existence" that appears between man and machine to the greatest extent, by revising every single component.

From this process emerged a drive unit that is more powerful than ever, with natural assists characteristics which at times make you forget it is even there. Yamaha DNA, which has long made dreams of mobility come true, creates a new riding experience like never before.

Power Packs

Yamaha power packs are amongst the lightest and most compact batteries available on the market.

Available in 400 Watt and 500 Watt variations and frame and rack mounted styles

  • 1

    400Wh - Lithium-ion battery: 36V
    500Wh - Lithium-ion battery: 36V

  • 2

    400Wh - Charging time: approx. 3.5hrs
    500Wh - Charging time: approx. 4.0hrs

  • 3

    400Wh - Weight: 2.9kg
    500Wh - Weight: 3.0kg

Head Unit

Yamaha updated the interface so that the rider can concentrate on just the ride. The concept of the display is “Simple and Tough”. Toughness that can withstand hard riding also shows in the design.

In the operation system, we designed a new, ergonomic switch that maintains high operability during any type of riding. Coupled with the LED Assist Mode Indicator that enables the rider to check the selected mode instantly even during hard riding, it casually but firmly supports the rider. In terms of communications, it opens riding to unlimited forms of enjoyment by supporting BLE and connecting to a variety of apps.

The main LCD also offers the follwoing info:

Speed, Battery capacity, Average bicycle speed,Maximum bicycle speed, Trip meter, Odometer, Range, Battery capacity (%), Cadence, Clock, Stopwatch.




Weight Reduction

380g Weight Reduction

To make the drive unit more compact, means not simply reducing the overall weight of the machine, but not inhibiting the ideal frame design.

Yamaha thoroughly lightened the weight down to 380g by making the axle shaft hollow, thinning the driven gear, and thinning the case, while simultaneously reducing volume by nearly 13%. We also adopted a 128mm ISIS interface BB Axle commonly used in MTB, responding to expectations for a more authentic ride.

Increased Output

"Truly powerful" as Yamaha sees it is the ability to deliver the power the rider wants quickly and dependably. PW-X inherited its well established power and control technology, while also adopting a fifth mode; Extra Power Mode.

With EXPW mode, it succeeds in further releasing power originally held by the motor, via the drastically improved cooling effect. It not only improves assist torque in all ranges; compared with conventional models, it better maintains assistance up to high rpm. It also offers strong support to riders recovering from tight turns or climbing challenging steep slopes.

Increased Response Rate

To offer a ride directly linked to the rider's intent, Yamaha revised both the mechanical components and control program, in the pursuit of quicker, more direct response to pedaling.

In order to reduce mechanical time lag, we reduced backlash of the ratchet mechanism by 1/3. Lightening large moving parts, such as the axle shaft and reduction gear, also contributes to a quick response. In EXPW mode, we more finely tuned the output characteristics of the motor. This keeps massive power while balancing quick response and manoeuvrability at a high level.