2009-2012 Kymco Sento 50 / Kiwi 50 / Kiwi 100 Scooter Service Manual

Inside the Kymco Sento 50 and Kiwi 50/100 Technical Documentation

• Covers 2009–2012 Kymco Sento 50, Kiwi 50, and Kiwi 100 scooter variants, including specific engine and chassis configurations for both 50cc and 100cc trims
• Official KYMCO Quality Technology Division publication for the Sento and Kiwi line, providing factory-authorized service data
• Contains 100 pages of technical content, including detailed torque value charts, comprehensive wiring diagrams, exploded-view component illustrations, and systematic troubleshooting flow charts
• Accessible from your device as soon as the order is placed
• Suitable for printing individual sections for shop-floor use
• This reference documents the Sento 50 and Kiwi 50/100 engine assembly, lubrication, fuel system, and chassis maintenance requirements in a single consolidated volume

Manual Content Overview

This KYMCO Sento 50 and Kiwi 50/100 manual documents essential service information across 17 technical chapters. The opening sections provide comprehensive general information, frame cover removal, and inspection routines, followed by detailed coverage of the lubrication system, fuel system, and engine removal procedures. Subsequent chapters detail the cylinder head and valve train, cylinder and piston assembly, transmission drive/driven pulleys, and the kick starter mechanism. Final sections focus on chassis components, including the front and rear wheel, brake assemblies, ignition, and electrical lighting systems.

Specification and Reference Data

This publication provides technical values for all major components, including torque specifications for engine mounting, cylinder head bolts, and axle nuts. The cylinder head compression for the 100cc variant is 15 kg/cm², whereas the 50cc variant is documented at 14 kg/cm². Detailed maintenance intervals and fluid capacities are provided for engine and transmission oil, with transmission gear oil requirements listed at 110 cc for 50cc units and 120 cc for 100cc models. Ignition timing is set at 28° BTDC at 4000 rpm across the engine range. To learn more about what an OEM service publication covers, users can consult the provided reference documentation. All service data shown here is for reference only — qualified technicians and the original OEM documentation remain the authoritative source for any hands-on work. This factory manual covers the 2009–2012 Kymco Sento 50 and Kiwi 50/100, providing necessary mechanical and electrical specifications for proper maintenance of the 4-stroke engine and chassis systems.

Document Reference: KYMCO Quality Technology Division, Overseas Service Department