The "Periodic Maintenance / Lubrication Intervals" schedule is taken directly from a 1983 edition Honda NB50M Aero 50 Factory Service Manual, which covers the '83 - '84 models (other models should be similar). Before starting any work, always consult the manual for your scooter's model & year and be sure you know what you're doing.

NB50 Periodic Maintenance / Lubrication Intervals

I: Inspect    R: Replace    C: Clean    L: Lubricate   A: Adjust

Item

Remarks

Type

Pre-Ride Inspection

 1 month or 200 mi (300 km) Thereafter every
12 months or 1000 mi
(1500 km)

 Thereafter every
24 months or 5,000 mi (8,000 km)
Oil Pump and Oil Line Service Manual page 3-8    

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 I

I
Throttle Operation* Service Manual page 3-7  

I

 I I I
Air Cleaner Element Service Manual page 3-3     Change every 6 months
Spark Plug*

Service Manual page 3-6
0.6 - 0.7mm gap (0.024 - 0.028 in)

 NGK BPR6HS(BPR4HS, BPR8HS)     R R
Carburetor

Service Manual page 3-7

     I I I
Oil Pump Service Manual page 2-7     I I I
Fuel Filter Screen Service Manual page 3-4     C C C
Fuel Line Service Manual page 3-4     I I I
Oil & Fuel Level*    

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Decarbonize cylinder head, Cylinder, piston and muffler Service Manual pages 6-4, 6-5         C
Transmission Oil Service Manual page 3-6 SAE 10W30 motor oil   R   R
Check transmission case for leaks* Service Manual page 3-6  

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Brake Linings Service Manual page 3-9       I I
Brake Operation and Free Play* Service Manual page 3-9  

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I

 I I
All Lights and Horn    

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Battery Fluid Specific Gravity Service Manual page 14-3 Type: YB4L-B, CB4L-B     I I
Battery Fluid Level* Service Manual page 3-3 Distilled water

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Clutch Shoe Wear Service Manual page 8-16      

 

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Suspension Operation Service Manual page 3-10      

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I
Nuts, Bolts, Fasteners Service Manual page 3-11    

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I
Tires and Tire Pressure* Service Manual page 3-11

21 psi Front, 24 psi Rear
Tires: 2.75 or 80/90 x 10

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Wheel Trueness Service Manual page 3-11     I I I
Steering Head Bearings* Service Manual page 3-10

Lithium based grease

  

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* These items are simple to perform, and may be done by the owner. Other maintenance items should be serviced by an authorized Honda dealer, unless the owner has the proper tools, service data and mechanical knowledge to do the work.