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3. INSPECTION/ADJUSTMENT

3-0

YUP 50

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INSPECTION/ADJUSTMENT

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INSPECTION AND MAINTENANCE SCHEDULE..................... 3- 1

BRAKE SYSTEM ..................................................................... 3- 4

MOVING DEVICE.................................................................... 3- 5

DAMPING DEVICE.................................................................. 3- 6

POWER DRIVE SYSTEM ......................................................... 3- 6

ELECTRICAL EQUIPMENT..................................................... 3- 7

ENGINE................................................................................... 3- 8

OTHERS .................................................................................. 3- 11

Summary of content (12 pages)

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3.
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3. INSPECTION/ADJUSTMENT YUP 50 INSPECTION AND MAINTENANCE SCHEDULE (Note) 1. ○ means time for inspection. 2. ☆ means regular replacement for the specified parts. This inspection and maintenance schedule is based upon average riding conditions. Machines subjected to serve use, or ridden in unusually dusty areas, require more frequent servicing.
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. INSPECTION/ADJUSTMENT Inspection & Maintenance Item Moving Device Motorcycle Damping Device Power Drive System Frequency 1st Every 6 Every 12 Preride month months months Tire crack and damage ○ ○ ○ Tire groove and abnormal wear ○ ○ ○ Imbedded objects, gravel, etc. ○ ○ ○ Axle nut looseness Check wheel rim, rim edge and spoke plate for damage Frame Spring YUP 50 ○ ○ Groove Depth: Front: 0.8mm Rear : 0.8mm ○ Torque Values: Front axle nut Axle nut 5.0_ 7.
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3. INSPECTION/ADJUSTMENT YUP 50 “△ ” Marks BRAKE DRUM/SHOE 《 Brake Shoe Wear》 Replace the brake shoes if the arrow on the brake arm aligns with reference mark“△ ” on the brake panel when the brake is fully applied. 《 Brake Drum Wear/Damage》 Check the brake drum appearance for damage. Check if the brake lining wear is within the specified service limit. Check the brake operation for abnormal noise and brake drum inside for wear or damage.
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3. LUBRICATION SYSTEM YUP 50 MOVING DEVICE TIRES 《 Tire Pressure》 Check the tire pressure. ＊ Tire pressure should be checked when tires are cold. Tire Pressure (one rider) Front: 1.50 kg/cm_ Rear: 1.75 kg/cm_ Tire Size: Front: 120/70-12 Rear: 130/70-12 《 Axle Nut/Axle Shaft Looseness》 Check the front and rear axle nuts for looseness. If the axle nuts are loose, tighten them to the specified torques. Torques: Front: 5.0_ 7.0kg-m Rear: 11.0_ 13.
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3. INSPECTION/ADJUSTMENT YUP 50 DAMPING DEVICE SHOCK ABSORBERS 《 Oil Leak/Damage》 Fully apply the front brake and check the action of the front shock absorber by compressing it several times. Check the entire shock absorber assembly for looseness or damage. Check the action of the rear shock absorber by compressing it several times. Check the entire shock absorber assembly for looseness or damage. POWER DRIVE SYSTEM TRANSMISSION CASE Check the rear wheel transmission case surrounding area for oil leaks.
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3. LUBRICATION SYSTEM YUP 50 ELECTRICAL EQUIPMENT IGNITION APPARATUS 《 Spark Plug》 Remove the frame center cover. Remove the spark plug cap and spark plug. Check the spark plug for wear, fouling and carbon deposits. Remove the fouling and carbon deposits with a spark plug cleaner or wire brush. Specified Spark Plug Gap, Wear and Fouling Deposits 0.6-0.7mm Washer Damage Cracks BR8HSA Spark Plug Gap: 0.6_ 0.7mm Bolt 《 Ignition Apparatus》＊ The CDI ignition timing is not adjust- able.
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3. INSPECTION/ADJUSTMENT ENGINE YUP 50 Throttle Stop Screw BODY 《 At High and Low Speeds》＊ The engine must be warm for accurate idle speed adjustment. Adjust the idle speed to the specified range by turning the throttle stop screw and air screw. Idle Speed: 2000±100rpm Air Screw 《 Air Cleaner》 Remove the air cleaner cover by removing the six air cleaner cover screws. Remove the air cleaner element.
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3. LUBRICATION SYSTEM YUP 50 Wash the air cleaner element in detergent oil, squeeze out and allow to dry. ＊ Never use gasoline or organic vaporable oil with acid or alkali for washing. After washing, soak the element in clean engine oil SAE 15W-40# and squeeze out excess oil. Reinstall the element. Cylinder Compression》《 Wash Squeeze out Soak in oil Squeeze out and dry excess oil dry ＊ Warm up the engine before compression test. Remove the spark plug and insert a compression gauge.
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3. INSPECTION/ADJUSTMENT Clean the oil filter screen with compressed air. Install the oil filter in the reverse order of removal and fill the oil tank with specified oil up to the proper level. Bleed air from the oil pump and oil lines. YUP 50 Filter Screen ＊ • Connect the oil tubes securely. • Install the tube clip at the oil tank side and also install the clip to the lower oil tube that goes to the oil pump. • Check for oil leaks.
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3. LUBRICATION SYSTEM YUP 50 FUEL SYSTEM 《 Throttle Grip Free Play》 Measure the throttle grip free play. Free Play: 2_ 6mm Lock Nut If the throttle grip free play does not fall within the specified range, adjust by loosening the lock nut and turning the adjusting nut. Adjusting Nut OTHERS LIGHTS 《 Headlight》 Adjust the headlight beam by loosening the headlight adjusting bolt and moving the adjusting bolt forward and backward to a proper position. Tighten the adjusting bolt.