2025 Yamaha Grizzly 110 Owner's Manual

The 2025 Yamaha Grizzly 110 is a youth-oriented, all-terrain vehicle (ATV) designed for safety, durability, and ease of use. It features a 110cc 4-stroke engine, automatic transmission with reverse, electric start, speed limiter, adjustable throttle limiter, independent rear suspension, and a durable steel frame. This manual provides essential information for safe operation, maintenance, specifications, and troubleshooting of your new ATV. Below are key sections covering safety, features, operation, maintenance, and support.

1. Features at a Glance 2. Pre-Ride Inspection & Setup 3. Controls and Operation 4. Specifications 5. Maintenance Schedule 6. Basic Maintenance Procedures 7. Storage Guidelines 8. Safety Information 9. Troubleshooting 10. Warranty & Support

Features at a Glance

Key components: 110cc 4-stroke engine, Automatic CVT transmission, Electric start, Steel frame, Independent rear suspension, Speed Limiter, Adjustable throttle limiter, Towing hitch receiver, Front and rear racks.

Feature	Description
Engine	110cc, air-cooled, 4-stroke, SOHC
Transmission	Automatic CVT with Reverse
Starting System	Electric start with auxiliary pull start
Suspension Front	Independent double wishbone
Suspension Rear	Independent double wishbone
Brakes	Front and rear drum brakes
Speed Limiter	Adjustable via throttle screw (parental control)
Tires	ATV-specific knobby tires
Fuel Tank	1.5-gallon capacity
Load Capacity	Front/Rear racks: 22 lbs / 44 lbs

Pre-Ride Inspection & Setup

Before each ride, perform a thorough inspection to ensure safe operation.

Check fuel level: Use unleaded gasoline (87 octane minimum).
Inspect tires: Verify pressure (Front: 3.9 psi, Rear: 3.9 psi) and look for damage.
Check controls: Ensure throttle moves freely and returns, brakes function properly.
Check lights: Test headlight and taillight if equipped.
Check for leaks: Inspect under the ATV for fuel, oil, or coolant leaks.
Adjust speed limiter: Use provided tool to set maximum speed appropriate for rider skill.

WARNING! Never allow operation by anyone under 6 years of age. Always wear a helmet, eye protection, and protective clothing. This ATV is for off-road use only.

Controls and Operation

Familiarize yourself with all controls before starting the engine.

Main Controls: Ignition Switch (OFF/ON/START), Engine Stop Switch, Throttle Lever, Brake Lever, Gear Selector (F-N-R), Speed Limiter Screw, Headlight Switch.

Starting Procedure:

Place ATV on level ground.
Set the Engine Stop Switch to "RUN".
Shift the transmission to "N" (Neutral).
Turn the Ignition Switch to "ON".
Pull the brake lever.
Press the START button. If electric start fails, use the auxiliary pull starter.
Allow engine to warm up for 1-2 minutes.

Riding: Select "F" (Forward) or "R" (Reverse). Apply throttle gently. Always use both hands on handlebars. Practice in a safe, open area first.

Specifications

Model: Yamaha Grizzly 110 (YFM110).
Engine Type: 110cc, 4-stroke, SOHC, air-cooled.
Bore x Stroke: 51.5mm x 52.2mm.
Compression Ratio: 9.5:1.
Fuel System: Carburetor.
Transmission: Automatic CVT, Forward, Neutral, Reverse.
Final Drive: Shaft.
Suspension Front/Rear: Independent double wishbone.
Brakes Front/Rear: Drum.
Tires Front/Rear: AT20 x 7-8 / AT20 x 10-8.
L x W x H: 64.6 in x 36.6 in x 38.6 in.
Seat Height: 24.8 in.
Ground Clearance: 4.3 in.
Fuel Capacity: 1.5 gal.
Curb Weight: 324 lbs.

Maintenance Schedule

Regular maintenance is crucial for safety and longevity. Refer to the manual for complete details.

Item	First Month or 20 Hrs	Every 3 Months or 100 Hrs	Every 6 Months or 300 Hrs
Engine Oil	Change	Change	Change
Oil Filter	Inspect	Replace	Replace
Air Filter	Clean	Clean/Replace	Replace
Spark Plug	Inspect	Inspect/Clean	Replace
Brake Pads/Shoes	Inspect	Inspect	Inspect/Replace
Tire Pressure/Wear	Check	Check	Check/Replace
Drive Shaft Boots	Inspect	Inspect	Inspect
Nuts & Bolts	Check Tightness	Check Tightness	Check Tightness

Basic Maintenance Procedures

Engine Oil Change:

Run engine for a few minutes to warm oil. Turn off engine.
Place drain pan under drain plug (bottom of engine).
Remove drain plug and oil filler cap. Allow oil to drain completely.
Reinstall drain plug with new washer. Tighten securely.
Refill with recommended SAE 10W-30 4-stroke motorcycle oil (approx. 1.1 qt).
Check level with dipstick (do not overfill).

Air Filter Service: Remove side panel. Open airbox. Remove foam filter, clean in warm soapy water, dry, and re-oil with filter oil. Reinstall.

CAUTION! Always perform maintenance in a well-ventilated area with engine off and cool. Use Yamaha Genuine Parts or equivalents.

Storage Guidelines

For long-term storage (over 30 days):

Change engine oil and filter.
Add fuel stabilizer to a full tank of gas. Run engine for 10 minutes.
Disconnect battery negative (-) terminal (if equipped).
Clean entire ATV thoroughly.
Inflate tires to recommended pressure.
Store in a cool, dry place, preferably on a stand to keep tires off the ground.

CAUTION! Do not store near open flame or heat source. Gasoline is extremely flammable.

Safety Information

READ THIS MANUAL COMPLETELY BEFORE OPERATION. This ATV is not a toy. It can be hazardous to operate.

Always: Wear an approved helmet, eye protection, gloves, long sleeves, long pants, and over-the-ankle boots.
Never: Carry a passenger. Ride on paved surfaces or public roads. Ride under the influence of drugs or alcohol.
Supervise: Riders under 16 years of age at all times. Use the speed limiter.
Ride: Only on designated trails at safe speeds appropriate for conditions and rider skill.
Complete a training course. Contact the ATV Safety Institute (ASI) at 1-800-887-2887 or your Yamaha dealer.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Fuel valve off, out of gas, engine stop switch, dead battery, fouled spark plug.	Check fuel valve & level. Ensure stop switch is RUN. Check battery charge. Inspect spark plug.
Engine starts then dies	Choke position, clogged fuel filter, dirty carburetor.	Adjust choke after warm-up. Check fuel filter. May require carburetor cleaning.
Loss of power	Dirty air filter, old fuel, clogged exhaust spark arrestor.	Clean/replace air filter. Use fresh fuel. Clean spark arrestor screen.
Poor braking	Worn brake pads, air in lines (if hydraulic), adjustment needed.	Inspect and replace pads if worn. Bleed brakes or adjust cable tension.
ATV pulls to one side	Uneven tire pressure, worn tires, suspension misalignment.	Check and equalize tire pressure. Inspect tires and suspension components.

For complex issues, contact an authorized Yamaha dealer.

Warranty & Support

Your Yamaha Grizzly 110 is covered by a limited warranty. Refer to your Yamaha Warranty Card for specific terms, conditions, and duration.

Yamaha Customer Support: For questions, locating a dealer, or ordering parts, contact Yamaha Motor Corporation, USA.

Website: yamahamotorsports.com
Phone: 1-800-962-7926
Parts & Accessories: Visit your local authorized Yamaha ATV dealer.

Always provide your model name (Grizzly 110) and Vehicle Identification Number (VIN) when seeking support.