2014 Yamaha Grizzly 350 Manual

The 2014 Yamaha Grizzly 350 is a versatile all-terrain vehicle (ATV) featuring a 348cc air-cooled, 4-stroke, SOHC engine, electric start, Ultramatic automatic transmission with engine braking, On-Command 2WD/4WD with differential lock, independent double-wishbone front suspension, swingarm rear suspension, front and rear hydraulic disc brakes, and a towing capacity of 850 lbs. Below are key sections for safety, features, operation, maintenance, and troubleshooting.

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

Features at a Glance

Key components: 348cc engine, Ultramatic transmission, On-Command 4WD system, front and rear racks, digital instrument panel.

Feature	Description
Engine	348cc air-cooled, 4-stroke, SOHC, 4-valve
Transmission	Ultramatic automatic V-belt with all-wheel engine braking
Drive System	On-Command 2WD/4WD with differential lock
Suspension	Independent double-wishbone front; Swingarm rear
Brakes	Front and rear hydraulic disc
Towing Capacity	850 lbs (386 kg)
Fuel Capacity	4.0 gal (15.1 L)
Instrumentation	Digital multifunction display
Starting System	Electric start with auxiliary recoil
Rack Capacity	Front: 88 lbs (40 kg), Rear: 176 lbs (80 kg)

Pre-Ride Inspection

Always perform a pre-ride inspection to ensure safe operation.

Check fuel level and ensure there are no leaks.
Inspect tires for proper pressure and damage.
Check all fluid levels (engine oil, coolant, brake fluid).
Test brakes and throttle for proper operation.
Ensure lights and indicators are functioning.
Check drive chain tension and lubrication.

WARNING! Never operate the ATV if any component is damaged or malfunctioning. Repair before use.

Controls and Indicators

Familiarize yourself with all controls before riding.

Left Handlebar: Headlight dimmer switch, turn signal switch, horn button, 2WD/4WD switch, differential lock switch.

Right Handlebar: Electric start button, engine stop switch, throttle lever, front brake lever.

Instrument Panel: Speedometer, odometer, tripmeter, fuel gauge, gear position indicator, 4WD indicator, differential lock indicator, warning lights (oil, temperature, battery).

Other Controls: Parking brake lever, shift lever (F-N-R), rear brake pedal, fuel valve.

Specifications

Model: Yamaha Grizzly 350 (YFM35FAP)
Engine Type: 4-stroke, SOHC, 4-valve
Displacement: 348cc
Bore x Stroke: 83.0 x 64.5 mm
Compression Ratio: 8.5:1
Fuel System: Mikuni BSR33 carburetor
Ignition System: DC-CDI
Transmission: Ultramatic automatic V-belt
Final Drive: Shaft
Suspension Travel (Front/Rear): 6.7 in / 7.9 in
Brakes: Hydraulic disc, dual piston front, single piston rear
Tires: AT25 x 8-12 front, AT25 x 10-12 rear
Dimensions (LxWxH): 81.5 x 46.1 x 47.6 in
Ground Clearance: 10.8 in
Dry Weight: 600.4 lbs

Operation

Starting, riding, and stopping procedures.

Starting: Turn fuel valve ON. Sit on vehicle, apply parking brake. Shift to Neutral (N). Pull choke if cold. Turn ignition key ON. Press brake lever and press start button.
Driving: Release parking brake. Select Forward (F) or Reverse (R). Apply throttle gradually to move.
4WD Operation: Use On-Command switch to select 2WD or 4WD. Use differential lock only when needed in 4WD mode at low speeds.
Stopping: Release throttle, apply brakes evenly. Shift to Neutral and apply parking brake when parked.

CAUTION! Always wear appropriate safety gear. Never operate on public roads unless designated. Avoid sudden maneuvers.

Maintenance Schedule

Follow this schedule to maintain optimal performance and longevity.

Item	Every 20 hrs / 300 mi	Every 100 hrs / 1500 mi	Every 200 hrs / 3000 mi
Engine oil & filter	Inspect	Replace	-
Air filter	Clean	-	Replace
Spark plug	Inspect	-	Replace
Drive chain	Clean & lubricate	Adjust	-
Brake pads/fluid	Inspect	-	Replace fluid
Wheel nuts/bolts	Tighten	-	-
Steering system	Lubricate	-	-

Basic Maintenance Procedures

Engine Oil Change:

Warm up engine, then turn off. Place on level surface.
Remove drain plug and oil filler cap. Drain oil into pan.
Replace drain plug washer and tighten plug.
Refill with recommended SAE 10W-30 oil (2.6 qt). Check level with dipstick.

Air Filter Cleaning:

Remove seat and air filter cover.
Remove foam filter element. Wash in warm, soapy water. Rinse and dry completely.
Apply foam filter oil evenly. Reinstall.

Tip: Always use genuine Yamaha parts and recommended fluids.

Storage

Proper storage prevents damage during periods of non-use.

Change engine oil and run engine briefly to circulate.
Add fuel stabilizer to full tank and run for 5 minutes.
Remove spark plug, add a teaspoon of oil, crank engine, reinstall plug.
Clean entire vehicle thoroughly. Lubricate all pivot points.
Inflate tires to recommended pressure. Store on blocks to lift tires off ground.
Store in a cool, dry place. Cover with breathable fabric.

CAUTION! Do not store near open flame or heat sources. Disconnect battery if storing for extended periods.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Fuel valve off, dead battery, clogged fuel line	Check fuel valve, charge/replace battery, inspect fuel line and filter.
Engine stalls or runs rough	Dirty air filter, old fuel, clogged carburetor	Clean/replace air filter, drain old fuel, clean carburetor.
Loss of power	Dirty spark plug, restricted exhaust	Clean or replace spark plug, check exhaust for obstructions.
Poor braking	Worn pads, air in lines, low fluid	Inspect and replace pads, bleed brakes, refill brake fluid.
4WD not engaging	Faulty switch, actuator issue	Check switch and wiring, inspect 4WD actuator.
Unusual noise from drive	Loose chain, worn U-joints	Adjust and lubricate drive chain, inspect U-joints.

Reset: For electronic issues, disconnect battery for 5 minutes to reset ECU.

Service: For complex repairs, consult an authorized Yamaha dealer.

Safety Information

Always follow these safety rules:

Always wear a helmet, eye protection, gloves, long sleeves, long pants, and over-the-ankle boots.
Never carry passengers unless the ATV is specifically designed for more than one person.
Never operate on paved surfaces or public roads (except to cross when legal and safe).
Never operate under the influence of alcohol or drugs.
Ride only on designated trails at safe speeds appropriate for conditions.
Complete a training course. Supervise riders under 16.
Inspect your ATV before each use.

WARNING! ATVs can be hazardous to operate. Failure to follow instructions could result in serious injury or death.