Yamaha YFM90RY Raptor 90 2009 Owner's Manual

Yamaha YFM90RY Raptor 90 2009 manual cover

Pages 127

Year 2009

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Yamaha YFM90RY Raptor 90 2009 Specification

The Yamaha YFM90RY Raptor 90, introduced in 2009, is a youth ATV designed to deliver performance, safety, and ease of use for younger riders. Powered by an 88cc, air-cooled, SOHC, 4-stroke engine, the Raptor 90 provides reliable and manageable power. The engine is paired with a fully automatic CVT (Continuously Variable Transmission) that simplifies operation, allowing riders to focus on mastering their handling skills without worrying about shifting gears. The ATV features an electric start system for convenience, coupled with a backup kickstart for reliability in any situation.

The chassis of the Raptor 90 is built with a compact steel frame, optimized for strength and durability while maintaining a lightweight structure. The suspension system includes a single A-arm front suspension with 5 inches of travel and a rear swingarm suspension with 5.7 inches of travel, providing a comfortable and stable ride over various terrains. The braking system comprises dual drum brakes at the front and a single drum brake at the rear, offering dependable stopping power.

Designed with safety in mind, the Raptor 90 includes adjustable speed limiters to control the ATV's top speed according to the rider's skill level. The ergonomics are tailored for smaller riders, featuring a low seat height of 25.7 inches, which ensures easy mounting and dismounting. The ATV rides on 18-inch front tires and 18-inch rear tires, providing adequate traction and stability.

Overall, the 2009 Yamaha YFM90RY Raptor 90 is engineered to offer young riders a balance of performance, safety, and ease of use, making it an excellent entry-level ATV for developing off-road skills.

Yamaha YFM90RY Raptor 90 2009 F.A.Q.

What type of fuel should I use for my Yamaha YFM90RY Raptor 90 2009?

The Yamaha YFM90RY Raptor 90 requires unleaded gasoline with a minimum octane rating of 87.

How often should I change the oil in my Yamaha Raptor 90?

It's recommended to change the oil after the first 20 hours of use, then every 6 months or 100 hours of operation, whichever comes first.

What is the correct tire pressure for the Yamaha YFM90RY Raptor 90?

The recommended tire pressure is 4.4 psi for both front and rear tires.

How do I adjust the chain tension on my Yamaha Raptor 90?

To adjust the chain tension, first loosen the axle nut, then turn the adjusting bolts equally on both sides until the chain slack is within 0.8-1.2 inches. Tighten the axle nut securely after adjustment.

What spark plug type is recommended for the Yamaha YFM90RY Raptor 90?

The recommended spark plug for the Yamaha YFM90RY Raptor 90 is NGK DR8EA.

How can I troubleshoot starting issues with my Yamaha Raptor 90?

Check the battery condition and connections, ensure the fuel valve is open, verify the fuel level, and check the spark plug for fouling or wear.

What maintenance steps should I perform after riding in muddy conditions?

After riding in muddy conditions, clean the ATV thoroughly, inspect and clean the air filter, check the brakes, lubricate moving parts, and inspect the chain for debris and proper tension.

How do I replace the air filter on my Yamaha Raptor 90?

To replace the air filter, remove the seat, open the airbox cover, take out the old filter, and insert a new, properly oiled filter. Ensure the airbox cover is sealed tightly when reassembling.

What is the recommended coolant for the Yamaha YFM90RY Raptor 90?

Yamaha recommends using a high-quality ethylene glycol antifreeze containing corrosion inhibitors for aluminum engines.

How can I improve the performance of my Yamaha Raptor 90?

Regular maintenance, such as timely oil changes, proper chain tension, and clean air filters, can improve performance. Consider upgrading the exhaust system or tuning the carburetor for enhanced performance.