Owners Manual
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... 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 4 Indicator and warning lights ...4-2 Fuel gauge ...4-4 Speedometer unit ...4-4 Handlebar switches ...4-6 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...4-16 Fuel tank cap ...4-17 Fuel cock...4-18 Starter (choke) ...4-19 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 4 Indicator and warning lights ...4-2 Fuel gauge ...4-4 Speedometer unit ...4-4 Handlebar switches ...4-6 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...4-16 Fuel tank cap ...4-17 Fuel cock...4-18 Starter (choke) ...4-19 Seat...4-20...
Owners Manual
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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
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... kit...8-1 Periodic maintenance/ lubrication ...8-3 Panel removal and installation ...8-5 Engine oil and oil filter cartridge ...8-12 Final gear oil ...8-17 Differential gear oil...8-19 Cooling system...8-21 Changing the coolant ...8-23 Axle boots...8-26 Spark plug inspection...8-27 Air filter element cleaning...8-29 V-belt cooling duct check hose ...8-32 V-belt case drain plug...8-33 Spark arrester cleaning ...8-33 Carburetor adjustment...8-35 Idle speed adjustment ...8-35 Valve clearance adjustment ...8-36 Throttle lever adjustment...8-37 Front brake pad check ...8-38 Rear brake pad check...
... kit...8-1 Periodic maintenance/ lubrication ...8-3 Panel removal and installation ...8-5 Engine oil and oil filter cartridge ...8-12 Final gear oil ...8-17 Differential gear oil...8-19 Cooling system...8-21 Changing the coolant ...8-23 Axle boots...8-26 Spark plug inspection...8-27 Air filter element cleaning...8-29 V-belt cooling duct check hose ...8-32 V-belt case drain plug...8-33 Spark arrester cleaning ...8-33 Carburetor adjustment...8-35 Idle speed adjustment ...8-35 Valve clearance adjustment ...8-36 Throttle lever adjustment...8-37 Front brake pad check ...8-38 Rear brake pad check...
Owners Manual
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... 2. Spark plug 5. Rear brake fluid reservoir 6. Brake pedal 10. Fuses Tail/brake light V-belt cooling duct check hose Coolant reservoir Oil filter cartridge Engine oil dipstick Rear brake lever Left handlebar switches Starter (choke) Drive select lever 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 V-belt case 9. DESCRIPTION AND MACHINE IDENTIFICATION 1. Storage compartment and tool kit 4. Fuel...
... 2. Spark plug 5. Rear brake fluid reservoir 6. Brake pedal 10. Fuses Tail/brake light V-belt cooling duct check hose Coolant reservoir Oil filter cartridge Engine oil dipstick Rear brake lever Left handlebar switches Starter (choke) Drive select lever 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 V-belt case 9. DESCRIPTION AND MACHINE IDENTIFICATION 1. Storage compartment and tool kit 4. Fuel...
Owners Manual
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... when the drive select lever is locked. _ _ 1. 2. 3. 4. 5. 6. 7. 8. EBU08020 EBU10601 Indicator and warning lights Differential gear lock indicator light "DIFF. Differential gear lock indicator light "DIFF. EBU01064 High-range indicator light "H" This indicator light comes on when the differential gear lock switch is set to the "4WDLOCK" position. 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...
... when the drive select lever is locked. _ _ 1. 2. 3. 4. 5. 6. 7. 8. EBU08020 EBU10601 Indicator and warning lights Differential gear lock indicator light "DIFF. Differential gear lock indicator light "DIFF. EBU01064 High-range indicator light "H" This indicator light comes on when the differential gear lock switch is set to the "4WDLOCK" position. 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...
Owners Manual
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.... The engine stop switch controls ignition and can be used at all times to starting the engine. EBU00607 CAUTION: _ Do not use the headlights with the engine turned off for details.) EBU12050 Engine stop switch " / " Make sure that the starter motor will not start or run when the engine stop switch is pushed. If this should happen, remove the battery and recharge it. _ Start switch " " The starter motor cranks the engine when this switch is...
.... The engine stop switch controls ignition and can be used at all times to starting the engine. EBU00607 CAUTION: _ Do not use the headlights with the engine turned off for details.) EBU12050 Engine stop switch " / " Make sure that the starter motor will not start or run when the engine stop switch is pushed. If this should happen, remove the battery and recharge it. _ Start switch " " The starter motor cranks the engine when this switch is...
Owners Manual
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... down when you need to. Consult a Yamaha dealer if you start the engine. This could be sure it does not work smoothly, check for the cause. Regulate the speed of throttle. Correct the problem before you can't find or solve the problem yourself. 1. WARNING POTENTIAL HAZARD Malfunction of the machine by varying the throttle position. HOW TO AVOID THE HAZARD Check...
... down when you need to. Consult a Yamaha dealer if you start the engine. This could be sure it does not work smoothly, check for the cause. Regulate the speed of throttle. Correct the problem before you can't find or solve the problem yourself. 1. WARNING POTENTIAL HAZARD Malfunction of the machine by varying the throttle position. HOW TO AVOID THE HAZARD Check...
Owners Manual
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... the brake system. 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 leakage, the brake system should be a leak in this manual, have a Yamaha dealer check for the cause. 5-3 If there is leaking out of every ride. If the brakes do not provide proper braking performance, inspect the brake pads for...
... the brake system. 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 leakage, the brake system should be a leak in this manual, have a Yamaha dealer check for the cause. 5-3 If there is leaking out of every ride. If the brakes do not provide proper braking performance, inspect the brake pads for...
Owners Manual
Page 55
... to cool before completely removing the cap. Always use soft water if you cannot get distilled water. _ EBU01083 Coolant reservoir capacity (up to the idle position when released. HOW TO AVOID THE HAZARD Wait for the engine to the engine. Have a Yamaha dealer repair as necessary for details.) WARNING POTENTIAL HAZARD Removing the radiator cap when the engine and radiator are still hot. CAUTION: _ Hard water or salt water...
... to cool before completely removing the cap. Always use soft water if you cannot get distilled water. _ EBU01083 Coolant reservoir capacity (up to the idle position when released. HOW TO AVOID THE HAZARD Wait for the engine to the engine. Have a Yamaha dealer repair as necessary for details.) WARNING POTENTIAL HAZARD Removing the radiator cap when the engine and radiator are still hot. CAUTION: _ Hard water or salt water...
Owners Manual
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... Yamaha Motor Co., Ltd. Other tire combinations are in working condition. Repair as necessary for this ATV with improper or uneven tire pressure. for proper operation. EBU11700 Switches Check the operation of accident. Take the machine to a Yamaha dealer or refer to make sure they are not recommended. ACE-01E Lights Check the headlights and tail/brake light to the Service Manual for proper operation. Have a Yamaha dealer repair...
... Yamaha Motor Co., Ltd. Other tire combinations are in working condition. Repair as necessary for this ATV with improper or uneven tire pressure. for proper operation. EBU11700 Switches Check the operation of accident. Take the machine to a Yamaha dealer or refer to make sure they are not recommended. ACE-01E Lights Check the headlights and tail/brake light to the Service Manual for proper operation. Have a Yamaha dealer repair...
Owners Manual
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... begin riding. 1. EBU00672 OPERATION Starting a cold engine WARNING Indicates a potential hazard that could cause an accident or injury. HOW TO AVOID THE HAZARD When riding in cold weather. Apply the rear brake lever. 2. WARNING POTENTIAL HAZARD Freezing control cables in cold weather, always make sure all controls. Shift the drive select lever into the neutral or park position. EBU00161 1- Turn the fuel cock to "ON". 3. HOW...
... begin riding. 1. EBU00672 OPERATION Starting a cold engine WARNING Indicates a potential hazard that could cause an accident or injury. HOW TO AVOID THE HAZARD When riding in cold weather. Apply the rear brake lever. 2. WARNING POTENTIAL HAZARD Freezing control cables in cold weather, always make sure all controls. Shift the drive select lever into the neutral or park position. EBU00161 1- Turn the fuel cock to "ON". 3. HOW...
Owners Manual
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... start position. 1 2 3 4 5 6 7 8 9 10 a. NOTE: G When the drive select lever is in the neutral or park position, if either indicator light does not come on, ask a Yamaha dealer to shift into neutral or park before starting the engine. 5. However, it is recommended to inspect its electric circuit. Fully open 1. Position 3 : Cold engine startambient temperature above 25 °C (80 °F) and warm engine start switch. 6-2 Half open 3. Starter...
... start position. 1 2 3 4 5 6 7 8 9 10 a. NOTE: G When the drive select lever is in the neutral or park position, if either indicator light does not come on, ask a Yamaha dealer to shift into neutral or park before starting the engine. 5. However, it is recommended to inspect its electric circuit. Fully open 1. Position 3 : Cold engine startambient temperature above 25 °C (80 °F) and warm engine start switch. 6-2 Half open 3. Starter...
Owners Manual
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... , ask a Yamaha dealer to inspect the reverse indicator light electrical circuit. Shift from neutral to reverse or from reverse or park without applying the rear brake. _ _ 1. G Due to park and vice versa by moving . _ _ 4. If the light does not come on until the ATV starts moving the drive select lever along the shift guide. 1. Check behind for people or obstacles, then release the rear brake pedal. 6-5
... , ask a Yamaha dealer to inspect the reverse indicator light electrical circuit. Shift from neutral to reverse or from reverse or park without applying the rear brake. _ _ 1. G Due to park and vice versa by moving . _ _ 4. If the light does not come on until the ATV starts moving the drive select lever along the shift guide. 1. Check behind for people or obstacles, then release the rear brake pedal. 6-5
Owners Manual
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... hose for cracks or damage. EBU00261 PERIODIC MAINTENANCE/LUBRICATION ITEM ROUTINE Whichever comes first mile (km) hours 200 (320) 20 INITIAL 750 (1,200) 75 1,500 (2,400) 150 EVERY 1,500 3,000 (2,400) (4,800) 150 300 Valves* Cooling system Spark plug Air filter element Carburetor* Crankcase breather system* Exhaust system* Spark arrester Fuel line* Engine oil Engine oil filter cartridge Engine oil strainer* Final gear oil Differential gear oil Front brake* Rear brake* Check valve clearance. Replace if necessary. Replace if necessary. Replace gasket...
... hose for cracks or damage. EBU00261 PERIODIC MAINTENANCE/LUBRICATION ITEM ROUTINE Whichever comes first mile (km) hours 200 (320) 20 INITIAL 750 (1,200) 75 1,500 (2,400) 150 EVERY 1,500 3,000 (2,400) (4,800) 150 300 Valves* Cooling system Spark plug Air filter element Carburetor* Crankcase breather system* Exhaust system* Spark arrester Fuel line* Engine oil Engine oil filter cartridge Engine oil strainer* Final gear oil Differential gear oil Front brake* Rear brake* Check valve clearance. Replace if necessary. Replace if necessary. Replace gasket...
Owners Manual
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... cylinders and calipers, replace the oil seals every two years. • Replace the brake hoses every four years, or if cracked or damaged. Wheel bearing* • Replace if damaged. Engine mount* • Check for cracks or damage. • Check balance/damage/runout. Lights and switches* • Adjust headlight beams. * Since these items require special tools, data and technical skills, have a Yamaha dealer perform the service. V-belt* NOTE: G Recommended brake fluid...
... cylinders and calipers, replace the oil seals every two years. • Replace the brake hoses every four years, or if cracked or damaged. Wheel bearing* • Replace if damaged. Engine mount* • Check for cracks or damage. • Check balance/damage/runout. Lights and switches* • Adjust headlight beams. * Since these items require special tools, data and technical skills, have a Yamaha dealer perform the service. V-belt* NOTE: G Recommended brake fluid...
Owners Manual
Page 157
... panel removal and installation procedures.) 2. Rear brake light switch 2. 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 earlier, turn the adjusting nut in place. Adjusting nut 8-44 To make the brake light come on just before braking takes effect. If necessary, adjust the brake light switch as follows. 1. To make the brake light...
... panel removal and installation procedures.) 2. Rear brake light switch 2. 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 earlier, turn the adjusting nut in place. Adjusting nut 8-44 To make the brake light come on just before braking takes effect. If necessary, adjust the brake light switch as follows. 1. To make the brake light...
Owners Manual
Page 158
... grease) EBU00356 EBU00717 Cable inspection and lubrication WARNING POTENTIAL HAZARD Damaged control cables. Operation of control cables becomes damaged. Recommended lubricant: Yamaha chain and cable lube or SAE 10W30 motor oil 8-45 Brake lever and brake pedal lubrication Lubricate the pivoting parts. If the cables do not operate smoothly, ask a Yamaha dealer to replace them. WHAT CAN HAPPEN Corrosion can also...
... grease) EBU00356 EBU00717 Cable inspection and lubrication WARNING POTENTIAL HAZARD Damaged control cables. Operation of control cables becomes damaged. Recommended lubricant: Yamaha chain and cable lube or SAE 10W30 motor oil 8-45 Brake lever and brake pedal lubrication Lubricate the pivoting parts. If the cables do not operate smoothly, ask a Yamaha dealer to replace them. WHAT CAN HAPPEN Corrosion can also...
Owners Manual
Page 163
Main fuse 2. Four-wheel drive fuse 6. Odometer fuse (backup) 1. Spare main fuse 1. 3. 5. 7. Ignition fuse 4. 1. Headlight fuse Auxiliary DC jack fuse Signaling system fuse Spare fuse (× 3) 2. Main fuse 2. Fuse box Specified fuses: Main fuse: Headlight fuse: Ignition fuse: Auxiliary DC jack fuse: Four-wheel drive fuse: Signaling system fuse: Odometer fuse (backup): 8-50 30 A 15 A 10 A 10 A 3A 10 A 10 A
Main fuse 2. Four-wheel drive fuse 6. Odometer fuse (backup) 1. Spare main fuse 1. 3. 5. 7. Ignition fuse 4. 1. Headlight fuse Auxiliary DC jack fuse Signaling system fuse Spare fuse (× 3) 2. Main fuse 2. Fuse box Specified fuses: Main fuse: Headlight fuse: Ignition fuse: Auxiliary DC jack fuse: Four-wheel drive fuse: Signaling system fuse: Odometer fuse (backup): 8-50 30 A 15 A 10 A 10 A 3A 10 A 10 A
Owners Manual
Page 171
... handy for hard-to the wheel axles. 3. Rinse the dirt and degreaser off the end of wheel bearings, brakes, transmission seals and electrical devices. CLEANING AND STORAGE CAUTION: Excessive water pressure may be used. Rinse the machine off , wash all filler caps are properly installed. 2. Do not apply degreaser to -get-at places. 5. Many expensive repair bills have resulted from improper...
... handy for hard-to the wheel axles. 3. Rinse the dirt and degreaser off the end of wheel bearings, brakes, transmission seals and electrical devices. CLEANING AND STORAGE CAUTION: Excessive water pressure may be used. Rinse the machine off , wash all filler caps are properly installed. 2. Do not apply degreaser to -get-at places. 5. Many expensive repair bills have resulted from improper...
Owners Manual
Page 180
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 Odometer fuse (backup) 12 V, 30/30 W × 2 12 V, 5/21 W × 1 LED LED LED LED LED LED LED 30 A 15 A 10 A 10 A 3A 10 A 10 A YFM450FA 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 Odometer fuse (backup) 12 V, 30/30 W × 2 12 V, 5/21 W × 1 LED LED LED LED LED LED LED 30 A 15 A 10 A 10 A 3A 10 A 10 A YFM450FA 10-6