2000-2004 Yamaha YQ100 / Aerox 100 Service Manual

Yamaha YQ100 / Aerox 100 (2000–2004) Service Documentation

• Covers 2000–2004 Yamaha YQ100 and Aerox 100 variants with the 101 cc air-cooled, 2-stroke gasoline engine and automatic V-belt transmission
• Official MBK Industrie 1st Edition service publication, February 2000
• Includes 232 pages of technical specifications, cable routing diagrams, tightening torque values, and maintenance schedule tables
• File delivered as a direct download the moment payment clears
• Stored against your account so you can retrieve it after a hard-drive loss
• Print resolution preserves exploded-view detail
• Indexed PDF search covers every chapter and appendix
• This 1st edition is the reference used for the original YQ100 and Aerox 100 model launch, providing the foundational engine and chassis data for the 5ME1-AE1 generation

Engine and Maintenance Scope

The 2000–2004 Yamaha YQ100 service manual details the technical specifications and maintenance parameters required for the 101 cc power plant. Documentation spans chapters on general information, periodic maintenance and adjustments, engine overhaul, carburetor, chassis, electrical systems, and troubleshooting. The text covers the complete engine disassembly, from cylinder head and piston inspection through the crankshaft and transmission repair. Maintenance sections detail specific service intervals for the V-belt, spark plug, and lubrication system, alongside air filter maintenance requirements.

Specification Highlights

The technical data preview includes detailed tightening torque values, such as the cylinder head nut specified at 14 Nm (1.4 m.kg) and spark plug torque at 20 Nm (2.0 m.kg). The transmission case requires SAE 85W/140 oil with a capacity of 0.11 liters. For electrical systems, the CDI pickup coil resistance is documented at 400–600 ohms at 20°C, and the voltage regulator regulates at 13–14 V. Cylinder bore wear limit is specified at 52.10 mm, and piston-to-cylinder clearance is listed at 0.044–0.045 mm. Additional data includes front fork travel, brake disc/drum dimensions, and tire pressure settings of 150 kPa for both front and rear. This factory workshop documentation is structured to support technicians and owners working on the Yamaha YQ100 and Aerox 100. Always consult a certified technician before performing service on this equipment.

An official 232-page Yamaha and MBK OEM workshop manual covering the 2000–2004 YQ100 and Aerox 100, documenting complete engine, chassis, electrical, and carburetor specifications for the 5ME1-AE1 engine series.