Owners Manual
Page 5
... illegal and unsafe to operate this ATV. P/N LIT-11626-19-57 This ATV complies with all applicable OFF-ROAD noise level and spark arrester laws and regulations in U.S.A. EBU01067 AFFIX DEALER LABEL HERE YFM45FAV OWNER'S MANUAL ©2005 by Yamaha Motor Corporation, U.S.A. 1st edition, June 2005 All rights reserved. Any reprinting or unauthorized use only. It is expressly prohibited.
... illegal and unsafe to operate this ATV. P/N LIT-11626-19-57 This ATV complies with all applicable OFF-ROAD noise level and spark arrester laws and regulations in U.S.A. EBU01067 AFFIX DEALER LABEL HERE YFM45FAV OWNER'S MANUAL ©2005 by Yamaha Motor Corporation, U.S.A. 1st edition, June 2005 All rights reserved. Any reprinting or unauthorized use only. It is expressly prohibited.
Owners Manual
Page 6
... LABELS...1-1 SAFETY INFORMATION...2-1 DESCRIPTION AND MACHINE IDENTIFICATION ...3-1 Identification number records...3-2 Key identification number...3-2 Vehicle identification number ...3-3 Model label ...3-3 CONTROL FUNCTIONS ...4-1 Main switch...4-1 2 3 Indicator and warning lights ...4-2 Fuel gauge ...4-4 Speedometer unit ...4-5 Handlebar switches ...4-7 Throttle lever ...4-13 Speed limiter ...4-14 Front brake lever...4-15 Brake pedal and rear brake lever ...4-15 Drive select lever ...4-16 Recoil starter...4-17 Fuel tank cap ...4-18 Fuel cock...4-18 Starter (choke) ...4-20 Seat...4-20...
... LABELS...1-1 SAFETY INFORMATION...2-1 DESCRIPTION AND MACHINE IDENTIFICATION ...3-1 Identification number records...3-2 Key identification number...3-2 Vehicle identification number ...3-3 Model label ...3-3 CONTROL FUNCTIONS ...4-1 Main switch...4-1 2 3 Indicator and warning lights ...4-2 Fuel gauge ...4-4 Speedometer unit ...4-5 Handlebar switches ...4-7 Throttle lever ...4-13 Speed limiter ...4-14 Front brake lever...4-15 Brake pedal and rear brake lever ...4-15 Drive select lever ...4-16 Recoil starter...4-17 Fuel tank cap ...4-18 Fuel cock...4-18 Starter (choke) ...4-20 Seat...4-20...
Owners Manual
Page 7
5 PRE-OPERATION CHECKS ...5-1 Front and rear brakes ...5-2 Fuel ...5-4 Engine oil ...5-6 Final gear oil...5-6 Differential gear oil ...5-6 Coolant...5-7 Throttle lever ...5-7 Fittings and fasteners...5-8 Lights...5-8 Switches...5-8 Tires ...5-8 How to measure tire pressure...5-10 Tire wear limit...5-11 OPERATION...6-1 Starting a cold engine ...6-1 Starting a warm engine...6-3 Warming up...6-3 Drive select lever operation and reverse driving...6-4 Engine break-in...6-7 Parking ...6-8 Parking on a slope...6-9 Accessories and loading ...6-10 7 RIDING YOUR ATV ...7-1 Getting to know your ATV ...
5 PRE-OPERATION CHECKS ...5-1 Front and rear brakes ...5-2 Fuel ...5-4 Engine oil ...5-6 Final gear oil...5-6 Differential gear oil ...5-6 Coolant...5-7 Throttle lever ...5-7 Fittings and fasteners...5-8 Lights...5-8 Switches...5-8 Tires ...5-8 How to measure tire pressure...5-10 Tire wear limit...5-11 OPERATION...6-1 Starting a cold engine ...6-1 Starting a warm engine...6-3 Warming up...6-3 Drive select lever operation and reverse driving...6-4 Engine break-in...6-7 Parking ...6-8 Parking on a slope...6-9 Accessories and loading ...6-10 7 RIDING YOUR ATV ...7-1 Getting to know your ATV ...
Owners Manual
Page 8
......8-6 Engine oil and oil filter cartridge ...8-12 Final gear oil ...8-17 Differential gear oil...8-20 Cooling system...8-22 Changing the coolant ...8-24 Axle boots...8-27 Spark plug inspection...8-28 Air filter element cleaning...8-31 V-belt cooling duct check hose ...8-34 V-belt case drain plug...8-34 Spark arrester cleaning ...8-35 Carburetor adjustment...8-36 Idle speed adjustment ...8-37 Valve clearance adjustment ...8-38 Throttle lever adjustment...8-38 Select lever safety system cable adjustment...8-39 Front brake pad check ...8-39 Rear brake pad check...8-40 Inspecting the brake fluid...
......8-6 Engine oil and oil filter cartridge ...8-12 Final gear oil ...8-17 Differential gear oil...8-20 Cooling system...8-22 Changing the coolant ...8-24 Axle boots...8-27 Spark plug inspection...8-28 Air filter element cleaning...8-31 V-belt cooling duct check hose ...8-34 V-belt case drain plug...8-34 Spark arrester cleaning ...8-35 Carburetor adjustment...8-36 Idle speed adjustment ...8-37 Valve clearance adjustment ...8-38 Throttle lever adjustment...8-38 Select lever safety system cable adjustment...8-39 Front brake pad check ...8-39 Rear brake pad check...8-40 Inspecting the brake fluid...
Owners Manual
Page 9
Headlight beam adjustment ...8-57 Tail/brake light bulb replacement ...8-58 Troubleshooting ...8-59 Troubleshooting charts ...8-61 9 CLEANING AND STORAGE...9-1 A. Storage ...9-3 SPECIFICATIONS...10-1 NOISE REGULATION...11-1 MAINTENANCE RECORD ...12-1 ATV LIMITED WARRANTY...13-1 YAMAHA EXTENDED SERVICE (Y.E.S.) ...14-1 10 11 12 13 14 Cleaning...9-1 B.
Headlight beam adjustment ...8-57 Tail/brake light bulb replacement ...8-58 Troubleshooting ...8-59 Troubleshooting charts ...8-61 9 CLEANING AND STORAGE...9-1 A. Storage ...9-3 SPECIFICATIONS...10-1 NOISE REGULATION...11-1 MAINTENANCE RECORD ...12-1 ATV LIMITED WARRANTY...13-1 YAMAHA EXTENDED SERVICE (Y.E.S.) ...14-1 10 11 12 13 14 Cleaning...9-1 B.
Owners Manual
Page 20
... Speedometer unit Main switch Fuel tank cap Auxiliary DC jack Right handlebar switch Throttle lever Front brake lever NOTE: The machine you have purchased may differ slightly from those shown in the figures of this manual. 3-1 DESCRIPTION AND MACHINE IDENTIFICATION 1. Storage compartment and tool kit 4. Air filter case 12. Rear shock absorber assembly spring preload adjusting ring 2. Spark arrester 3. Spark plug 5. Rear brake fluid reservoir 6. V-belt case 9. Brake pedal 8. EBU00032 1- Radiator cap 10. Fuses 13. Tail/brake light 14. 15...
... Speedometer unit Main switch Fuel tank cap Auxiliary DC jack Right handlebar switch Throttle lever Front brake lever NOTE: The machine you have purchased may differ slightly from those shown in the figures of this manual. 3-1 DESCRIPTION AND MACHINE IDENTIFICATION 1. Storage compartment and tool kit 4. Air filter case 12. Rear shock absorber assembly spring preload adjusting ring 2. Spark arrester 3. Spark plug 5. Rear brake fluid reservoir 6. V-belt case 9. Brake pedal 8. EBU00032 1- Radiator cap 10. Fuses 13. Tail/brake light 14. 15...
Owners Manual
Page 24
... position. Differential gear lock indicator light "DIFF. LOCK" Low-range indicator light "L" High-range indicator light "H" Neutral indicator light "N" Reverse indicator light "R" Park indicator light "P" Differential gear lock indicator " " Coolant temperature warning light " " DIFF. EBU08020 EBU10601 Indicator and warning lights Differential gear lock indicator light "DIFF. EBU01064 High-range indicator light "H" This indicator light comes on when the drive select lever is set to "LOCK", the differential gear lock indicator light will flash until the differential gear is in...
... position. Differential gear lock indicator light "DIFF. LOCK" Low-range indicator light "L" High-range indicator light "H" Neutral indicator light "N" Reverse indicator light "R" Park indicator light "P" Differential gear lock indicator " " Coolant temperature warning light " " DIFF. EBU08020 EBU10601 Indicator and warning lights Differential gear lock indicator light "DIFF. EBU01064 High-range indicator light "H" This indicator light comes on when the drive select lever is set to "LOCK", the differential gear lock indicator light will flash until the differential gear is in...
Owners Manual
Page 29
... 1. 2. 3. 4. The engine stop switch controls ignition and can be used at all the lights. 4-7 Engine stop switch " / " Make sure that the starter motor will not start or run when the engine stop switch is set to " ". Set the switch to "OFF" to turn on the high beam and the taillight. EBU00053 Handlebar switches _ CAUTION: Do not use the headlights with the engine turned off all times to stop the engine, especially...
... 1. 2. 3. 4. The engine stop switch controls ignition and can be used at all the lights. 4-7 Engine stop switch " / " Make sure that the starter motor will not start or run when the engine stop switch is set to " ". Set the switch to "OFF" to turn on the high beam and the taillight. EBU00053 Handlebar switches _ CAUTION: Do not use the headlights with the engine turned off all times to stop the engine, especially...
Owners Manual
Page 36
... in the adjusting screw limits the maximum engine power available and decreases the maximum speed of the ATV. 1. Correct the problem before you can't find or solve the problem yourself. Locknut 2. Turning in ) 4-14 Speed limiter The speed limiter keeps the throttle from fully opening, even when the throttle lever is pushed to the idle position as soon as the lever...
... in the adjusting screw limits the maximum engine power available and decreases the maximum speed of the ATV. 1. Correct the problem before you can't find or solve the problem yourself. Locknut 2. Turning in ) 4-14 Speed limiter The speed limiter keeps the throttle from fully opening, even when the throttle lever is pushed to the idle position as soon as the lever...
Owners Manual
Page 51
... braking performance, inspect the brake pads for wear. (See pages 8-39-8-40.) WARNING POTENTIAL HAZARD Riding with the brakes. Brake operation Test the brakes at the start of the pipe joints or brake fluid reservoirs. Do not ride the ATV if you find any problem with improperly operating brakes. If there is any brake fluid is leaking out of every ride. If a problem cannot be corrected by a Yamaha dealer. Brake fluid...
... braking performance, inspect the brake pads for wear. (See pages 8-39-8-40.) WARNING POTENTIAL HAZARD Riding with the brakes. Brake operation Test the brakes at the start of the pipe joints or brake fluid reservoirs. Do not ride the ATV if you find any problem with improperly operating brakes. If there is any brake fluid is leaking out of every ride. If a problem cannot be corrected by a Yamaha dealer. Brake fluid...
Owners Manual
Page 56
... EBU00157 Fittings and fasteners Always check the tightness of all switches. Other tire combinations are in working condition. ACE-01E Lights Check the headlights and tail/brake light to the Service Manual for proper operation. Repair as necessary for this ATV with improper tires, or with improper or uneven tire pressure, may cause loss of control, increasing your risk of this ATV with improper or uneven...
... EBU00157 Fittings and fasteners Always check the tightness of all switches. Other tire combinations are in working condition. ACE-01E Lights Check the headlights and tail/brake light to the Service Manual for proper operation. Repair as necessary for this ATV with improper tires, or with improper or uneven tire pressure, may cause loss of control, increasing your risk of this ATV with improper or uneven...
Owners Manual
Page 60
... injury. Apply the rear brake lever. 2. Turn the fuel cock to " ". 4. Shift the drive select lever into the neutral or park position. HOW TO AVOID THE HAZARD Read the Owner's Manual carefully. WHAT CAN HAPPEN You could be unable to an accident or collision. If there is a control or function you begin riding. 1. WARNING POTENTIAL HAZARD Freezing control cables in cold weather.
... injury. Apply the rear brake lever. 2. Turn the fuel cock to " ". 4. Shift the drive select lever into the neutral or park position. HOW TO AVOID THE HAZARD Read the Owner's Manual carefully. WHAT CAN HAPPEN You could be unable to an accident or collision. If there is a control or function you begin riding. 1. WARNING POTENTIAL HAZARD Freezing control cables in cold weather.
Owners Manual
Page 61
... up position. Fully open 1. Starter (choke) 2. NOTE: G When the drive select lever is recommended to shift into neutral or park before starting the engine. _ _ Position 3 : Cold engine startambient temperature above 25 °C (80 °F) and warm engine start switch. 6-2 However, it is in any gear if the rear brake lever is applied. a. G The engine can be started in the neutral or park position, if either indicator...
... up position. Fully open 1. Starter (choke) 2. NOTE: G When the drive select lever is recommended to shift into neutral or park before starting the engine. _ _ Position 3 : Cold engine startambient temperature above 25 °C (80 °F) and warm engine start switch. 6-2 However, it is in any gear if the rear brake lever is applied. a. G The engine can be started in the neutral or park position, if either indicator...
Owners Manual
Page 64
... or from reverse to Park NOTE: The drive select lever cannot be on until the ATV starts moving the drive select lever along the shift guide. 1. Check behind for people or obstacles, and then release the brake pedal. 6-5 Apply the brake pedal. 3. G Due to inspect the electrical circuit. If the light does not come on, ask a Yamaha dealer to the synchronizing...
... or from reverse to Park NOTE: The drive select lever cannot be on until the ATV starts moving the drive select lever along the shift guide. 1. Check behind for people or obstacles, and then release the brake pedal. 6-5 Apply the brake pedal. 3. G Due to inspect the electrical circuit. If the light does not come on, ask a Yamaha dealer to the synchronizing...
Owners Manual
Page 92
...stopping, release the throttle and apply the brakes smoothly and evenly. do not allow skin or clothing to start to the engine or drive train may lift off -road use of the brakes can cause the tires to begin riding your ATV. Avoid higher speeds until you will start the engine. Always... difficult to perform on pavement. The centrifugal clutch will be hot when riding and afterwards; If the throttle is designed for off the ground resulting in this area is free of the throttle, brakes, shifting procedures, and turning techniques in a loss of directional control. Damage to...
...stopping, release the throttle and apply the brakes smoothly and evenly. do not allow skin or clothing to start to the engine or drive train may lift off -road use of the brakes can cause the tires to begin riding your ATV. Avoid higher speeds until you will start the engine. Always... difficult to perform on pavement. The centrifugal clutch will be hot when riding and afterwards; If the throttle is designed for off the ground resulting in this area is free of the throttle, brakes, shifting procedures, and turning techniques in a loss of directional control. Damage to...
Owners Manual
Page 158
..., adjust the brake light switch as follows. 1. Remove panel B. (See page 8-9 for panel removal and installation procedures.) 2. Turn the adjusting nut while holding the rear brake light switch in direction b. 3. Rear brake light switch 2. Install the panel. 1. To make the brake light come on just before braking takes effect. EBU12590 Adjusting the rear brake light switch The rear brake light switch, which is activated by the brake pedal and rear brake lever, is properly adjusted when the brake light comes on...
..., adjust the brake light switch as follows. 1. Remove panel B. (See page 8-9 for panel removal and installation procedures.) 2. Turn the adjusting nut while holding the rear brake light switch in direction b. 3. Rear brake light switch 2. Install the panel. 1. To make the brake light come on just before braking takes effect. EBU12590 Adjusting the rear brake light switch The rear brake light switch, which is activated by the brake pedal and rear brake lever, is properly adjusted when the brake light comes on...
Owners Manual
Page 159
... covering of controls could be restricted, which could cause an accident or injury. If the cables do not operate smoothly, ask a Yamaha dealer to replace them. NOTE: To access the brake pedal pivot, remove panel B. (See page 8-9 for panel removal...Replace damaged cables. EBU00356 EBU12600 Cable inspection and lubrication WARNING POTENTIAL HAZARD Damaged control cables. HOW TO AVOID THE HAZARD Inspect cables frequently. Lubricate the inner cables and the cable ends. Recommended lubricant: Yamaha chain and cable lube or SAE 10W30 motor oil 8-47 Lubricating the brake levers and brake...
... covering of controls could be restricted, which could cause an accident or injury. If the cables do not operate smoothly, ask a Yamaha dealer to replace them. NOTE: To access the brake pedal pivot, remove panel B. (See page 8-9 for panel removal...Replace damaged cables. EBU00356 EBU12600 Cable inspection and lubrication WARNING POTENTIAL HAZARD Damaged control cables. HOW TO AVOID THE HAZARD Inspect cables frequently. Lubricate the inner cables and the cable ends. Recommended lubricant: Yamaha chain and cable lube or SAE 10W30 motor oil 8-47 Lubricating the brake levers and brake...
Owners Manual
Page 165
Main fuse 2. Spare main fuse Specified fuses: Main fuse: Headlight fuse: Ignition fuse: Auxiliary DC jack fuse: Four-wheel drive fuse: Signaling system fuse: Backup fuse: 8-53 30.0 A 15.0 A 10.0 A 10.0 A 3.0 A 10.0 A 10.0 A Fuse box 1. 3. 5. 6. 7. Headlight fuse 2. Four-wheel drive fuse Signaling system fuse Backup fuse (for odometer and clock) Spare fuse (× 3) 1. Main fuse 2. Ignition fuse Auxiliary DC jack fuse 4. 1.
Main fuse 2. Spare main fuse Specified fuses: Main fuse: Headlight fuse: Ignition fuse: Auxiliary DC jack fuse: Four-wheel drive fuse: Signaling system fuse: Backup fuse: 8-53 30.0 A 15.0 A 10.0 A 10.0 A 3.0 A 10.0 A 10.0 A Fuse box 1. 3. 5. 6. 7. Headlight fuse 2. Four-wheel drive fuse Signaling system fuse Backup fuse (for odometer and clock) Spare fuse (× 3) 1. Main fuse 2. Ignition fuse Auxiliary DC jack fuse 4. 1.
Owners Manual
Page 175
... the spark plug and all surfaces with warm water and mild, detergent-type soap. EBU00419 1- An old toothbrush or bottle brush is excessively greasy, apply degreaser with a garden hose. Block off with a paint brush. A. Once the majority of wheel bearings, brakes, transmission seals and electrical devices. If the engine case is handy for hard-to prevent water entry. Use only enough pressure to the wheel axles...
... the spark plug and all surfaces with warm water and mild, detergent-type soap. EBU00419 1- An old toothbrush or bottle brush is excessively greasy, apply degreaser with a garden hose. Block off with a paint brush. A. Once the majority of wheel bearings, brakes, transmission seals and electrical devices. If the engine case is handy for hard-to prevent water entry. Use only enough pressure to the wheel axles...
Owners Manual
Page 184
Model Bulb voltage, wattage × quantity: Headlight Tail/brake light Indicator light: Neutral indicator light Reverse indicator light Coolant temperature warning light Park indicator light High-range indicator light Low-range indicator light Differential gear lock indicator light Fuses: Main fuse Headlight fuse Ignition fuse Auxiliary DC jack fuse Four-wheel drive fuse Signaling system fuse Backup fuse YFM45FAV 12 V 30W/30.0 W × 2 12 V 5W/21.0 W × 1 LED LED LED LED LED LED LED 30.0 A 15.0 A 10.0 A 10.0 A 3.0 A 10.0 A 10.0 A 10-6
Model Bulb voltage, wattage × quantity: Headlight Tail/brake light Indicator light: Neutral indicator light Reverse indicator light Coolant temperature warning light Park indicator light High-range indicator light Low-range indicator light Differential gear lock indicator light Fuses: Main fuse Headlight fuse Ignition fuse Auxiliary DC jack fuse Four-wheel drive fuse Signaling system fuse Backup fuse YFM45FAV 12 V 30W/30.0 W × 2 12 V 5W/21.0 W × 1 LED LED LED LED LED LED LED 30.0 A 15.0 A 10.0 A 10.0 A 3.0 A 10.0 A 10.0 A 10-6