Genuine Detailed Manual for your 2009 Yamaha YFM90RY, Raptor 90, 2009 edition

2009 Yamaha Raptor 90 / YFM90RY Technical Documentation

• Covers the 2009 Yamaha Raptor 90 and YFM90RY ATV, documenting technical specifications for the air-cooled 4-stroke engine and CVT automatic drivetrain
• Official Yamaha publication P/N LIT-11616-22-13, 2009 edition
• Contains 47 exploded-view diagrams, 38 torque-specification tables, and 12 cable-routing schematics
• File delivered as a direct download the moment payment clears
• Indexed PDF search covers every chapter and appendix
• Stored against your account so you can retrieve it after a hard-drive loss
• No DRM restrictions on the print function
• This specific edition provides the precise factory settings for the 43D1 model-code build, serving as the primary reference for 2009 chassis and electrical maintenance tasks

Contents Summary

This factory service publication provides technical data for the maintenance of the 2009 Yamaha Raptor 90. Documentation includes procedures for the 88cc SOHC engine, the automatic centrifugal clutch, and the V-belt transmission system, alongside detailed steps for overhauling the front double-wishbone suspension and rear swingarm components.

The document further contains guidance on electrical system diagnostics, including C.D.I. ignition, charging system checks, and fuse block maintenance. Every section is supplemented with illustrated exploded views showing component order and lubrication requirements, along with charts detailing cable routing for the throttle, choke, and brake systems.

Specifications and Reference Values

Standard engine compression is documented at 1,250 kPa (177.8 psi) at 1,000 r/min. Intake valve clearance is specified at 0.07–0.10 mm in the cylinder head specification table. The drive chain slack for the Raptor 90 is listed at 10–25 mm in the chassis specification chapter. Final transmission oil capacity is documented at 0.30 liters. Torque values for major fasteners, such as the cylinder head and crankshaft, are listed in specialized tables organized by section to aid in precision assembly. Reference only — always consult a certified technician before performing service on this equipment. An official 228-page Yamaha OEM workshop manual covering the 2009 Yamaha Raptor 90 (YFM90RY), documenting engine, chassis, electrical, and fuel-delivery specifications for the 43D1-series build.