Welcome to KOSO Thailand Official, the official online store of Koso Technology (Thailand) Co., Ltd. We sell genuine KOSO parts for popular scooters in Thailand, including Honda, Yamaha and Vespa models: CVT transmission kits, clutch kits, clutch springs, roller weights, cooling fans, air filters and more.
About KOSO
KOSO is a motorcycle parts brand from Taiwan. The company started in 1981 as Tong Yah Industrial Co., Ltd., making motorcycle performance parts, and registered KOSO as its own R&D brand in 1989. The name combines two Japanese words meaning "creativity" and "speed", reflecting the goal of creating high-performance products through creative thinking.
KOSO's philosophy is built on integrity and trust in quality, technique and service. The company works through strict development, production and quality control processes and keeps improving its products through ongoing innovation.
Milestones
- 1981 – Founded as Tong Yah Industrial Co., Ltd., producing motorcycle performance parts
- 1989 – Renamed Tong Yah Electronic Technology, began producing meters and electronics, and registered the KOSO trademark
- 2000 – ISO 9002 quality system certified
- 2005 – KOSO North America branch office established
- 2006 – TS 16949 quality system certified
- 2008 – KOSO Europe branch office established
- 2018 – Upgraded to IATF 16949 certification and named a Top 1000 Elite SME
Contact us
Koso Technology (Thailand) Co., Ltd.
Email: kosothailand@e-lead.co.th
Tel: +66 82 223 4389
55/54 Moo 6, Sukhumvit Road, Bang Pu Mai Subdistrict, Mueang Samut Prakan District, Samut Prakan 10280, Thailand
Business hours: Monday–Friday, 09:00–17:00 (Thailand time)
Feel The Speed!