2009-2010 Yamaha Grizzly 450 4x4 Service Manual
This comprehensive manual covers all service and repair procedures for the 2009-2010 Yamaha Grizzly 450 4x4. Includes detailed diagrams and troubleshooting tips
Yamaha Models Covered & Key Technical Specifications
Models: Yamaha Grizzly 450 (YFM45FGZ, YFM45FGHZ)
Model Years: 2009–2010
Technical Data:
- Engine oil capacity: 2.30 L (2.43 US qt, 2.02 Imp.qt)
- Tire pressure (Recommended): 25.0 kPa (3.6 psi) front and rear
- Tire pressure (Minimum): 22.0 kPa (3.2 psi) front and rear
- Spark plug gap: 0.6–0.7 mm (0.024–0.028 in)
- Front brake lever free play: 8.0–10.5 mm (0.31–0.41 in)
- Throttle lever free play: 3.0–5.0 mm (0.12–0.20 in)
- Spark plug torque: 17.5 Nm (12.7 ft-lbf)
- Carrier bolt (top) torque: 34 Nm (24 ft-lbf)
- Total vehicle weight: 286.0 kg (631 lb)
Yamaha Manual Features & Content Preview
2009–2010 Yamaha Grizzly 450 Owner's Manual Features
- Covers 2009–2010 Yamaha Grizzly 450 models (YFM45FGZ and YFM45FGHZ).
- Official Yamaha publication (P/N LIT-11626-23-27 / LIT-11616-KD-48, first edition April 2009).
- 56 pages detailing factory specifications, maintenance charts, and safety labels.
- Instant download — secure your PDF immediately and keep it accessible in your account for life.
- Fully indexed and searchable so you can locate exact torque specs or capacities instantly.
- Includes original OEM diagrams for controls, instruments, and component locations.
Operational Overview & Routine Maintenance
When servicing a 2009 or 2010 Grizzly 450, having the original factory reference is essential for establishing correct baseline settings. While this is an owner's guide rather than a complete engine overhaul manual, it delivers the exact operational parameters and pre-ride checklists necessary to keep the ATV reliable. It clearly breaks down the mechanics of the On-Command four-wheel-drive and differential gear lock systems, ensuring proper field operation.
Before putting the machine to work or navigating steep slopes and water crossings, always verify the chassis load limits and tire pressure guidelines outlined in the manual to maintain vehicle stability and prevent personal injury.
Essential Technical Specifications
Stop guessing on routine service numbers. This document provides the precise factory data required for regular workshop upkeep:
- Engine oil capacity: 2.30 liters
- Spark plug gap: 0.6–0.7 mm
- Spark plug tightening torque: 17.5 Nm
- Front brake lever free play: 8.0–10.5 mm
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