The Honda Sonic is a ''125 cc'', later ''150 cc''

underbone An underbone is a type of motorcycle that uses structural tube framing with an overlay of plastic or non-structural body panels and contrasts with monocoque or unibody designs where pressed steel serves both as the vehicle's structure and body ...

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 ...

designed for the

Southeast Asia Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical south-eastern region of Asia, consisting of the regions that are situated south of mainlan ...

n market by

Honda is a Japanese public multinational conglomerate manufacturer of automobiles, motorcycles, and power equipment, headquartered in Minato, Tokyo, Japan. Honda has been the world's largest motorcycle manufacturer since 1959, reaching a producti ...

. It is the part of the Nova series of sports oriented underbone motorbikes produced since the mid-1990s.

Engine

The Sonic is fitted with the European CBR125R and Indonesian CS1 4-stroke engine. It was adapted to

liquid cooling Liquid cooling refers to cooling by means of the convection or circulation of a liquid. Examples of liquid cooling technologies include: * Cooling by convection or circulation of coolant, including water cooling * Liquid cooling and ventilati ...

due to hotter weather conditions. The

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 ( ...

engine redlines at 10,900 rpm. The engine utilizes an overbore design with two bigger valves. It also has a bigger Keihin carburetor with 28 mm venturi diameter.

Models

The Sonic comes in two models, RS and RS Super.

Sonic 150R

The Sonic 150R was launched in August 2015 in Indonesia. It is powered by a ''150 cc'' liquid-cooled,

DOHC An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion cha ...

, 4-valve,

single-cylinder engine 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 ...

mated to a 6-speed constant mesh transmission. The Sonic 150R is built at Honda's Karawang plant,

West Java West Java ( id, Jawa Barat, su, ᮏᮝ ᮊᮥᮜᮧᮔ᮪, romanized ''Jawa Kulon'') is a province of Indonesia on the western part of the island of Java, with its provincial capital in Bandung. West Java is bordered by the province of Banten ...

, Indonesia. In the Philippines, the bike is named RS150 (not to be confused with the RS150R sold in Malaysia, as it is a rebadged

Winner Winner(s) or The Winner(s) may refer to: * Champion, the victor in a game or contest *The successful social class in winner and loser culture Film * ''The Winner'' (1926 film), an American silent film starring Billy Sullivan * ''The Winner'' ...

that sold in Vietnam). {{Honda Sonic