The Honda NS125 was first presented at the

Bologna Motor Show The Bologna Motor Show (known as the "''Salone internazionale dell'auto e della moto di Bologna''" in Italian) was an auto show which was scheduled to be held annually in December, in Bologna, Italy. The editions of 2009 and 2012 were the shor ...

in December 1984 and went on sale in April 1985. The engine is a

liquid cooled 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 ventilatio ...

, ,

two-stroke A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a Thermodynamic power cycle, power cycle with two strokes (up and down movements) of the piston during one power cycle, this power cycle being comple ...

which used

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 product ...

's ATAC system (Automatically Controlled Torque Amplification Chamber). However the ATAC equipped models were not available in the UK. The NS was Honda's first attempt at the high end ''125cc''

sports bike Sport pertains to any form of competitive physical activity or game that aims to use, maintain, or improve physical ability and skills while providing enjoyment to participants and, in some cases, entertainment to spectators. Sports can, th ...

market in Italy; therefore it was built in Atessa, Italy and many of the parts used were made by well known Italian brands such as Dell'Orto for the

carburetor 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 meteri ...

, Marzocchi forks and single rear shock and Grimeca wheels and front disk brake. Honda, Japan supplied the spec sheets and a few parts like the electrics, piston and barrel. The Honda NS125 which was available as an "F" naked, or an "R" fully faired is commonly mistaken as an older NSR, although it shares no real parts or design to it. This model is most easily identifiable by its singular square headlight, rather than the later NSR's 'foxeye' design

References

;Sources * All specifications in infobox obtained from {{DEFAULTSORT:Honda Ns125 NS125 Motorcycles introduced in 1985 Two-stroke motorcycles Sport bikes