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The front suspension locks or unlocks using a switch, which is located just below the throttle on the right handlebar. The suspension lock can only be activated manually, at low speeds or at a stop; the lock is automatically disengaged when the engine speed exceeds 2,500 rpm. [ 1 ]
The front suspension is usually built into the front fork and may consist of telescoping tubes called fork tubes which contain the suspension inside or some multibar linkage that incorporate the suspension externally. There is another type of front suspension system which is Earles type which highly used in off-road motorcycles.
Piaggio also produced some stablemates to the Ciao: The Piaggio Si, with a telescopic front fork suspension, the Piaggio Grillo, with 14-inch wheel, Piaggio Boxer, the Si's ancestor, the Piaggio Boss, with kick starter, mass button and speedometer and the Piaggio Bravo with a telescopic front fork and a shock absorber rear suspension.
The scooter had rigid rear suspension and small 8-inch (200 mm) wheels that allowed a compact design and plenty of room for the rider's legs. The Vespa's enclosed, horizontally mounted 98 cc two-stroke engine acted directly on the rear drive wheel through a three-speed transmission. The twistgrip-controlled gear change involved a system of rods.
Front suspension Conventional telescopic forks Rear suspension Swingarm and adjustable twin shock Front brakes Ø 220 mm (8.7 in) disc brake with hydraulic linkage Rear brakes Ø 220 mm (8.7 in) disc brake with hydraulic linkage Front Tire 120/70-12" Rear Tire 130/70-12" Ignition Electronic CDI module Dimensions Wheelbase 1,350 mm (53 in)
A single-sided front swingarm suspension was used on the Yamaha GTS1000, introduced in 1993. The GTS used the RADD, Inc. front suspension designed by James Parker. A single sided girder fork was use on the German Imme R100 motorcycle between 1949 and 1951, [9] and the Vespa scooter has a single-sided trailing-link fork.
The Vespa was built with two drum brakes, a single-cylinder air cooled engine (aluminum head) and a steel chassis, but has been improved with a new front suspension and a revised rear axle for more stability. It was distributed as Vespa P 125 X and as Vespa P 200 E with an electronic ignition (E for Elettronica) and since 1978 as Vespa P 150 X.
In November 2017 the “2018 Model Year” introduces the new Piaggio 50 I-Get air-cooled, three-valve, four-stroke, engine Euro 4 approved. The new range is composed by the "basic" Zip and sporty Zip S versions which differ in the bodywork colours [ 7 ] In 2021 the I-Get engine has been re-homologated to Euro 5.