Yamaha Libero G5 is a 106 cc, single-cylinder four-stroke

motorcycle A motorcycle (motorbike, bike, or trike (if three-wheeled)) is a two or three-wheeled motor vehicle steered by a handlebar. Motorcycle design varies greatly to suit a range of different purposes: long-distance travel, commuting, cruising ...

manufactured by

India Yamaha Motor is a Japanese multinational manufacturer of motorcycles, marine products such as boats and outboard motors, and other motorized products. The company was established in 1955 upon separation from Yamaha Corporation (however, Yamaha Corporation ...

. Its predecessor was known as just Yamaha Libero. Unlike Libero G5, Libero had

tachometer A tachometer (revolution-counter, tach, rev-counter, RPM gauge) is an instrument measuring the rotation speed of a shaft or disk, as in a motor or other machine. The device usually displays the revolutions per minute (RPM) on a calibrated anal ...

and round headlights but lacked fuel gauge. However, Libero G5 came with a sporty headlight and fuel gauge, but lacked the tachometer. A new set of air scoops with a honeycomb grille do dual duty; directing airflow over the engine block and also neatly covering the gap between the engine and the fuel tank. The Libero G5's frame continues to be the tubular dual-cradle type. Yamaha has introduced a compulsive pressure

wet sump Within piston engines, a wet sump is part of a lubrication system whereby the crankcase sump is used as an integral oil reservoir. An alternative system is the dry sump, whereby oil is pumped from a shallow sump into an external reservoir.Wet sum ...

lubrication system in the 106 cc engine of the Libero G5. This new system works on a constant pressure build-up that is generated by the engine itself thus enables the

engine oil Motor oil, engine oil, or engine lubricant is any one of various substances used for the lubrication of internal combustion engines. They typically consist of base oils enhanced with various additives, particularly antiwear additives, deter ...

or lubricant to flow evenly over all the engine components, unlike conventional

lubrication Lubrication is the process or technique of using a lubricant to reduce friction and wear and tear in a contact between two surfaces. The study of lubrication is a discipline in the field of tribology. Lubrication mechanisms such as fluid-lubric ...

that works more on gravitational forces thus may not perform as effectively. Yamaha Libero G5 was, particularly, made for Indian market. However, in Bangladesh, Yamaha Libero G5 was also popular. Ground clearance is comfortable 173 mm, enabling the bike to take on speed-breakers and potholes with greater confidence. Yamaha released an upgraded Libero G5 model with alloy wheels and electric starter in 2007. Like most Indian motorcycles, this bike came with a

saree A sari (sometimes also saree or shari)The name of the garment in various Languages of South Asia, regional languages include: * as, শাৰী, xārī, translit-std=ISO * bn, শাড়ি, śāṛi, translit-std=ISO * gu, સાડી ...

guard to increase the safety of female pillion riders. A less sporty-looking version (with same engine) of this bike is marketed as Yamaha Alba. A bigger cousin of this bike with 125 cc engine is

Yamaha Gladiator The Yamaha Gladiator alias Yamaha YBR 125, YBR 125 is a 125 cc motorcycle, developed by India Yamaha Motor. Production began in 2006. The bike can be started in any gear and offers excellent corner handling. Yamaha claimed that the Gladiator bi ...

. Some similar/competitor bikes are

Hero Honda Splendor The Hero Splendor+ is an entry level motorcycle manufactured in India by Hero motocorp. It has an electronic ignition and a tubular double cradle type frame with a engine. The engine is based on the Honda Cub C100EX with a similar bore and str ...

Bajaj Platina Bajaj Platina is a ''100cc'' motorcycle manufactured by Bajaj Auto. The Platina was launched in April 2006 at an ex-showroom price of Rs 35,000 and crossed sales of 500,000 units within eight months of its launch. A 125 DTS-Si variant with the s ...

Bajaj CT 100 The Bajaj CT 100 is a ''100 cc'' commuter motorcycle built by Bajaj Auto. It is the entry level commuter motorcycle offered by Bajaj Auto. Overview The CT 100 replaced the Bajaj Boxer. The new CT-100 have the same four-stroke, engine as ...

. India Yamaha Motor stopped manufacturing Yamaha Libero G5 in the year 2010.

Technical specification

Technical specifications below as reported by the manufacturer. Engine type:

Air-cooled Air-cooled engines rely on the circulation of air directly over heat dissipation fins or hot areas of the engine to cool them in order to keep the engine within operating temperatures. In all combustion engines, a great percentage of the heat ge ...

, 4-stroke, SOHC, 2-valve Cylinder arrangement:

Single-cylinder A single-cylinder engine, sometimes called a thumper, is a piston engine with one cylinder. This engine is often used for motorcycles, motor scooters, go-karts, all-terrain vehicles, radio-controlled vehicles, portable tools and garden machinery ( ...

Bore x stroke: 49.0 x 56.0 mm

Compression ratio The compression ratio is the ratio between the volume of the cylinder and combustion chamber in an internal combustion engine at their maximum and minimum values. A fundamental specification for such engines, it is measured two ways: the stati ...

: 9.0:1 Starting system:

Kick start Kick start is a method of starting an internal combustion engine (usually that of a motorcycle) by pushing a ratcheting lever with one's foot. Kick start mechanisms were almost universally a part of motorcycle engines before the mid-1970s, and w ...

/Self starter (from 2008 models) Lubrication: Compulsive pressure

Carburettor A carburetor (also spelled carburettor) is a device used by an internal combustion engine to control and mix air and fuel entering the engine. The primary method of adding fuel to the intake air is through the venturi tube in the main meterin ...

: Variable venturi type

Ignition system An ignition system generates a spark or heats an electrode to a high temperature to ignite a fuel-air mixture in spark ignition internal combustion engines, oil-fired and gas-fired boilers, rocket engines, etc. The widest application for spark ig ...

Capacitor discharge ignition Capacitor discharge ignition (CDI) or thyristor ignition is a type of automotive electronic ignition system which is widely used in outboard motors, motorcycles, lawn mowers, chainsaws, small engines, turbine-powered aircraft, and some cars. It w ...

(advanced micro processor),

Magneto A magneto is an electrical generator that uses permanent magnets to produce periodic pulses of alternating current. Unlike a dynamo, a magneto does not contain a commutator to produce direct current. It is categorized as a form of alternator, ...

dependent

Battery Battery most often refers to: * Electric battery, a device that provides electrical power * Battery (crime), a crime involving unlawful physical contact Battery may also refer to: Energy source *Automotive battery, a device to provide power t ...

type: 12 V, 2.5 A·h

Clutch A clutch is a mechanical device that engages and disengages power transmission, especially from a drive shaft to a driven shaft. In the simplest application, clutches connect and disconnect two rotating shafts (drive shafts or line shafts). ...

type: Wet multiple-disc Transmission type: Four steps of regular engagement formula advance. 1 down, 3 up; toe-heel shifter

Gear ratio A gear train is a mechanical system formed by mounting gears on a frame so the teeth of the gears engage. Gear teeth are designed to ensure the pitch circles of engaging gears roll on each other without slipping, providing a smooth transmission ...

s: 1st=3.000, 2nd＝1.688, 3rd:=1.200, 4th=0.875 Primary / Secondary reduction ratio 3.722 / 3.214 Frame type: Double cradle type

Caster angle 250px, θ is the caster angle, the red line is the pivot line, and the grey area is the tire. 250px, Front suspension of a race car, the caster angle is formed by the line between upper and lower ball joint. The caster angle or castor angle is t ...

(degree): 26.4° Suspension type: (front/rear) Telescopic/swing arm

Headlight A headlamp is a lamp (electrical component), lamp attached to the front of a vehicle to illuminate the road ahead. Headlamps are also often called headlights, but in the most precise usage (language), usage, ''headlamp'' is the term for the ...

: 12 V 35/35 W halogen bulb (HS1) Top speed: +/-87 km/h (54 mi/h) (with 80 kg payload)

Fuel efficiency Fuel efficiency is a form of thermal efficiency, meaning the ratio of effort to result of a process that converts chemical potential energy contained in a carrier (fuel) into kinetic energy or work. Overall fuel efficiency may vary per device, wh ...

: +/- 100 km/2 liters of gasoline

References

Libero {{Motorcycle-stub