2000-2002 Yamaha TT-R90(M) Owner's Service Manual

Yamaha TT-R90(M) Technical Documentation

• Covers 2000–2002 Yamaha TT-R90(M) minibike variants including 5HN1, 5HN2, 5HN3, and 5HN4 models
• Official Yamaha publication P/N 5HN-28199-80, first edition July 1999
• Contains 4 detailed exploded-view diagrams for clutch and engine assembly, plus torque specification tables for chassis and engine fasteners
• Downloads to your account within seconds of checkout
• Permanent availability in your purchase account — no re-buy required
• Laid out for standard letter and A4 printing
• Indexed PDF search covers every chapter and appendix
• This 1999 first edition serves as the foundational service reference for the launch-series 2000–2002 Yamaha TT-R90(M) minibike

Manual Coverage and Structure

This 2000–2002 Yamaha TT-R90(M) service publication provides detailed information for the upkeep and assembly of the 89 cm3 air-cooled 4-stroke engine and chassis. The document is divided into six chapters starting with general information, specifications, and maintenance, followed by specific mechanical sections for the engine, chassis, and electrical systems. It details identifying features including the VIN location on the steering head pipe and the engine serial number placement on the left-side crankcase.

Engine and Chassis Specifications

The engine section documents the 89 cm3 displacement and the constant-mesh 3-speed transmission assembly. Spark plug gap is specified at 0.6–0.7 mm in the engine data table. Valve clearance for the intake is listed at 0.05–0.09 mm in the maintenance specification section. Total engine oil capacity is documented at 1.0 liter. Ignition timing for the CDI magneto system is set at 15°/1,700 r/min. Steering bearing type is specified as a taper roller bearing in the chassis section. The what an OEM service publication covers page outlines the diagnostic depth provided by this 100-page reference set. An official Yamaha OEM manual covering the 2000–2002 Yamaha TT-R90(M), documenting engine, chassis, electrical, and maintenance specifications for the 5HN-series machine.

Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions.