You just have to provide your own USB adapter and a cellphone holder, though. Riders who plan to buy a Gravis for TNVS (Transport Network Vehicle Services) purposes will be delighted to know that it already comes standard with a 12 volt power socket to keep their mobile phones’ battery topped up at all times. Perhaps in the future, Yamaha? Suspension setup are just basic telescopic in front and single shock absorber at the back. Interestingly, there’s an ABS ring and sensor in front but sadly no ABS option for the Gravis. Stopping duties are handled by a hydraulic single disc brake up front and a mechanical drum setup in the rear that feels adequate for everyday riding. These tires not only offer a better ride but also bigger contact patches for better road holding grip. These are offset, however, by taller profile and perhaps more importantly, by wider tubeless tires of 100/90-12 size in front and 110/90-12 at the back. Instead of the more popular 14-inchers found on most scooters in its segment, the Gravis uses smaller diameter 12-inch wheels. One, or rather two, of the more defining characteristics of the Gravis are its wheels. Curiously, the Stop and Start System is not offered on the Gravis. A new Smart Motor Generator, or SMG, silently starts the engine without using a starter motor and also reduces weight. Friction losses were further reduced by using roller-rocker-arm and forged piston for lower reciprocating mass and minimize vibration compared to cast pistons. This cooling effect is complemented by a piston cooler that sprays motor oil underneath the piston. Despite not having liquid-cooling, Yamaha uses DiASil cylinder head liners that dissipate heat three times faster than steel. This was achieved by optimizing the valve angle design that enhances the tumble flow effect for better combustion of the air-fuel mixture, and a hemispherical combustion chamber that results in a higher compression ratio. The Gravis is powered by an air-cooled, single cylinder, sohc, 2 valve motor that features Yamaha’s Blue Core principle of extracting more power by using less fuel.
YAMAHA MIO SPORTY WHEEL BEARING FRONT REAR SIZE FULL
The button below it unlocks the seat to access the underseat compartment with a 25 liter capacity, enough to fit a full face helmet. This can be accessed by pressing a button labelled ‘fuel’ next to the integrated key shutter. To make loading fuel much easier at the gas pumps, Yamaha placed the fuel filler lid behind the front apron, just below the left handlebar.
This design not only frees up significant space under the seat, where the fuel tank are located on most scooters, it also shifts the center-of-gravity lower for better stability and weight distribution, while still having a genuine step through design. According to Yamaha the name Gravis was actually derived from the word gravity, the invisible force by which the weight of an object draws towards the center, which was probably used to describe the unusual placement of the Gravis’ fuel tank, which is under the footboard. With thousands of quality suppliers & manufacturers, we are sure that they can provide all equipment for sale, services and solutions for your various industrial applications.But what exactly makes the Gravis any different from its existing lineup of excellent 125cc automatics? The answer is gravity. It's well known that product quality and safety is a stronger priority for this equipment industry and also for the buyers, here you are offered a greater chance to find trustworthy manufacturers & factories who are delivering high levels of performance, efficiency and reliability in their products all the time. Besides, their competitive & cheap price of Machine Bearing factory would get you an edge in your own market. If you are interested in China Machine Bearing, You will be amazed by the variety of the product choices such as ball bearing, bearing, auto parts.
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