The Honda NSR150 is a motorcycle produced in Thailand 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 product ...

as Honda NSR and in

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the nort ...

Kymco Kymco (an acronym for Kwang Yang Motor Co, Ltd ()) (stylized as ''KYMCO'') is a Taiwanese motorcycle manufacturer headquartered in Kaohsiung, Taiwan. With approximately 3000 employees, Kymco produces over 570,000 vehicles annually at its factor ...

under the name Kymco NSR. The early Taiwanese NSR150s were produced with engines imported from

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

. However, later models used engines cast in Taiwan by Kymco which resulted in engines of lower quality than the Japanese ones. Due to local regulations, Kymco NSR150 had lower power than the ones made in Thailand because 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 ...

was smaller and the ports in the

cylinder A cylinder (from ) has traditionally been a three-dimensional solid, one of the most basic of curvilinear geometric shapes. In elementary geometry, it is considered a prism with a circle as its base. A cylinder may also be defined as an infin ...

had slightly different sizes. It is common to switch to a Thai-made cylinder in NSR racing in Taiwan. Due to a significant amount of warranty claims the CDI was programmed to open and then close the RC valve because running cheap

2 stroke oil Two-stroke oil (also referred to as two-cycle oil, 2-cycle oil, 2T oil, or 2-stroke oil) is a special type of motor oil intended for use in crankcase compression two-stroke engines, typical of small gasoline-powered engines. Use Unlike a four-s ...

reduced the power of the engine further. The Taiwanese and Southeast Asian NSR150's are quite closely related sharing the same stroke and appearance. Kymco's spare parts supply for Taiwan NSR's is slowly declining with slowed production and competition from easily available

aftermarket parts The automotive aftermarket is the secondary market of the automotive industry, concerned with the manufacturing, remanufacturing, distribution, retailing, and installation of all vehicle parts, chemicals, equipment, and accessories, ''after'' the ...

. YSS aftermarket rear suspension has been available for Taiwanese NSRs since year 2000. An interesting fact is that Kymco's 2010 Quannon Naked's 37MM front fork assembly can be nearly directly transplanted on Taiwan made NSRs with the help of a small CNC machined washer, directly addressing the problem with "head float" under hard acceleration and stability at higher speeds.

References

NSR150 Two-stroke motorcycles {{Motorcycle-stub