To make it easier for you to choose the right manual, we have compiled various information for you below, such as model designations, types, and production years.
The manual is valid for the following models: Grizzly 660, YFM 660F / Yamaha Motor Co., Ltd
2002 Yamaha Grizzly 660 YFM660FHP Hunter
2003 Yamaha Grizzly 660 YFM660FR
2004 Yamaha Grizzly 660 YFM660FS
2005 Yamaha Grizzly 660 YFM66FAHT (4WD, Camouflage)
2005 Yamaha Grizzly 660 YFM66FASET Special Edition (4WD)
2005 Yamaha Grizzly 660 YFM660FAT (4WD)
2006 Yamaha Grizzly 660 YFM66FABGHV Outdoorsman Edition (4WD, Camouflage)
2006 Yamaha Grizzly 660 YFM66FAHDV Ducks Unlimited Edition
2006 Yamaha Grizzly 660 YFM66FAHV (4WD, Camouflage)
2006 Yamaha Grizzly 660 YFM66FASEV Special Edition (4WD)
2006 Yamaha Grizzly 660 YFM66FAV (4WD)
2007 Yamaha Grizzly 660 YFM66FGHW (Camouflage)
2007 Yamaha Grizzly 660 YFM66FGW
Engine: 660cc, four-stroke, liquid-cooled, single-cylinder SOHC, 84 mm (3.94 — 3.31 inches).
Production/model years: 2002, 2003, 2004, 2005, 2006, 2007, 2008
Manual Language: English
Printable: Yes, all printers
Delivery: Download link will appear on the checkout page after your payment is complete.
"Download the Comprehensive Manual: Unleash the Power of the 2002-2008 Yamaha Grizzly 660, YFM 660F ATV"
Take control of your 2002-2008 Yamaha Grizzly 660, YFM 660F ATV with the complete manual. This comprehensive guide provides all the necessary information to maintain, repair, and optimize your Yamaha ATV. From engine specifications to tuning tips and maintenance advice, this manual will empower you to enhance performance, ensure reliability, and conquer any terrain with confidence. Get ready to unleash the full potential of your Yamaha Grizzly 660 ATV with this essential resource.
Engine Specs/Technical Specifications:
• The 2002-2008 Yamaha Grizzly 660 is powered by a 660cc liquid-cooled, 4-stroke, single-cylinder engine.
• The engine features a SOHC (Single Overhead Camshaft) configuration for precise valve timing and efficient combustion.
• It is equipped with electronic fuel injection (EFI) for improved throttle response and fuel efficiency.
• The engine is mated to an automatic transmission with Yamaha's Ultramatic V-belt drive system for smooth and reliable power delivery.
• The Grizzly 660 ATV is equipped with a selectable 2WD/4WD system, allowing the rider to switch between two-wheel drive and four-wheel drive mode as needed.
• The front suspension consists of independent double wishbones with adjustable preload, providing excellent ride comfort and handling.
• At the rear, the Grizzly 660 features a swingarm with adjustable preload and a gas/oil-damped shock absorber for optimal suspension performance.
• The ATV is equipped with hydraulic disc brakes on the front and rear wheels for reliable stopping power.
• It has a fuel capacity of approximately 18 liters, allowing for extended rides without frequent refueling.
• The Grizzly 660 ATV features a comfortable and ergonomic seating position, with ample storage space for carrying essentials.
Interesting Facts and Details:
- The Yamaha Grizzly 660 ATV was widely recognized for its powerful engine and impressive torque, making it suitable for both work and recreational riding.
- It was one of the first Yamaha ATVs to feature electronic fuel injection, providing precise fuel delivery and improved performance.
- The Grizzly 660 boasted excellent off-road capabilities, thanks to its selectable 2WD/4WD system and differential lock for increased traction on challenging terrain.
- It offered a smooth and comfortable ride, thanks to its independent front and rear suspension systems.
- The ATV featured a rugged and durable design, built to withstand the demands of off-road adventures.
- Yamaha incorporated advanced safety features into the Grizzly 660, including a digital instrument panel with warning lights and a multifunction display for monitoring vital information.
- The Grizzly 660 was praised for its versatility, whether used for work on the farm or exploring off-road trails.
Maintenance Intervals, General Maintenance Tips, and Common Issues:
- Follow the manufacturer's recommended maintenance intervals for oil changes, filter replacements, and inspections.
- Regularly check and maintain proper tire pressure for optimal traction and handling.
- Keep the air filter clean and replace it when necessary to prevent engine damage from dust and debris.
- Ensure proper lubrication of the chassis and suspension components to maintain smooth operation.
- Common issues may include fuel system problems, electrical issues, and worn-out brake components. Consult the manual or a qualified technician for troubleshooting and solutions.
Tuning Tips and Modifications:
- Upgrading the exhaust system can improve engine performance and enhance the ATV's exhaust note.
- Installing a performance air filter can increase airflow to the engine, resulting in potential power gains.
- Adding a fuel controller or remapping the ECU can optimize fuel delivery and fine-tune the engine's performance.
Available Accessories and Aftermarket Options:
Yamaha offers a range of genuine accessories for the Grizzly 660, including winches, cargo racks, and protective skid plates.
Aftermarket options include upgraded suspension components, LED lighting kits, and aftermarket exhaust systems.
Owner Reviews and Opinions:
- Owners appreciate the powerful engine and torquey performance of the Yamaha Grizzly 660, making it suitable for various applications.
- The ATV's reliability and durability are often praised, with many owners reporting years of trouble-free use.
- The selectable 2WD/4WD system and differential lock provide excellent traction and handling on a variety of terrains.
- Some owners have mentioned issues with the electrical system, including faulty wiring connections and electrical component failures.
- Fuel consumption can be a concern for some owners, especially during aggressive riding or heavy workload.
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