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electric motor

Yamaha is expanding its electric mobility presence by introducing a new electric motor called the PWseries S2.

  • the PWseries S2 is an electric motor strictly for Yamaha e-bikes.
  • the electric motor is lighter and more powerful than its predecessor. 

The new generation electric motor has a maximum torque output of 75Nm and weighs just 2.85kg. 

That said, the new motor is not for electric motorcycle, instead it is for the firm’s e-bikes. 

Also the e-bike engine is not applicable to motorcycles, considering that e-bikes operate with the power of the cyclist leg. 

Nevertheless, the technology can still be a reference for future Yamaha electric motorcycles and scooters.

Yamaha already launched two electric scooters this year with the NEO’s and E01. We aslo got the chance to see the E01 up close during Hong Leong Yamaha’s recently concluded GenBlu Karnival.

However, we are still waiting for Yamaha’s first electric motorcycle and with Kawasaki set to introduce its first electric two-wheeler in November, we expect Yamaha to follow soon. 

A Belgian designer is working on an electric motor aimed at converting combustion engine to electric for mopeds.

  • E-Core is a swappable electric motor for mopeds.
  • features a small 3-5 horsepower equivalent to a 50cc four-strokes mopeds.

As the world is shifting towards electric, most small capacity electric two-wheelers offers the same power equivalent to a 125cc motorcycles.

That said, it is likely that the demand for small capacity electric motorcycle – with 15 to 20 horsepower – will increase significantly in years to come. Moreover, with oil prices showing an upward trend, switching to electric is an option.

However, Belgian designer, Benjamin Surain, foresee a feature of not just low-powered electric motorcycles, but also converting the existing combustion engine mopeds into electric. 

According to reports, the electric motor, dubbed E-Core, is an exchangeable electric motor that could be swap with an old combustion engine. 

The E-Core exchangeable motor is aimed at mopeds, which are popular globally.

Interestingly, the electric motor allow existing combustion engine to be ‘reincarnated’ as electric instead of discarding the entirety of the old engine which could damaged the environment hence defeating the purpose of sustainability. 

Also, this means that people would not be forced into getting a new electric two-wheeler when they can just upgrade their existing petrol-powered mopeds which is potentially more cost-effective.

Yamaha has filed two different patents describing a new TMax maxi-scooter that features a new hybrid drive system.

The patent revealed two TMax, one using a hybrid drive direct to the crank while the other into the bike’s transmission.

While no further details are disclosed, the bike features in the drawing are similar to the current generation of the TMax.

Nevertheless, the latest patents provide a clear indication that the hybrid technology is still at an early stage of development.

The first patents directly link the internal combustion engine (ICE) and the electric motor.

The direct link between the electric motor and the ICE allows the bike’s conventional transmission system to be utilised and ensure the bike development is as cost-effective as possible.

Meanwhile, the second patent depicts the hybrid drive system is mounted into the bike’s swing-arm and transmission system.

The second solution allows Yamaha to play match-making by using the same electric motor with several different engines.

However, the system is a bit more delicate as it forces Yamaha to adapt the electric motor to various engine setups accurately.

More importantly, should we expect a hybrid version of the TMax 560 in the future? Yes and no. Presumably, the TMax is likely being used only to develop the new hybrid drive system.

Moreover, the TMax is the most likely to allow the hybrid system to be easily squeezed beneath the seat together with the batteries.

Kawasaki has been teasing us with plenty of patent applications regarding a hybrid motorcycle since last year.

However, the waiting period is now over as Team Green has officially unveiled the prototype during a presentation in Tokyo.

Despite several brands introducing some hybrid motorcycles in recent years (e.g. Honda PCX Hybrid), the technology wasn’t adopted widely by manufacturers.

Moreover, adding another powertrain on top of an existing petrol-powered motor doesn’t make any sense, especially if it could add more weight to the bike.

Nonetheless, this is not the case with Kawasaki as the Japanese firm managed to construct a compact petrol-powered motor and combine it with a small electric drive, thus creating a very comprehensive system altogether.

This ensures the bike maintains the same performance and range as a conventional motorcycle but with improved emission, especially during low speeds.

According to Kawasaki, the hybrid platform packs a small 48V motor and a parallel-twin engine. It also comes with a new tubular steel frame with the electric motor mounted above the transmission.

In an effort to achieve a seamless riding experience, it is said that the bike will feature an automated gearshift which Kawasaki had filed the patent applications earlier this year.

(Source: CycleWorld)

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