MotoService Log
Hero Honda Hunk (149 cc)
Example photo: Sonachalam 2k Ramalingame, CC BY-SA 4.0, Wikimedia Commons

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Hero Honda · Overhead-cam four-stroke single, wet sump, gearbox shares engine oil, chain drive

Hunk (149 cc)

Library entry covers 1991-2011

38 factory 34 guideline

Published source

Hero HUNK Owner's Manual, Maintenance Schedule printed pp.29-31

Factory owner's handbook. Covers Hero MotoCorp HUNK owner's manual (ManualsLib 2077931, Hero MotoCorp era); catalog row is the Hero Honda Hunk 2007-2011, same model name, engine and chassis match not confirmed.

72 items for a 1999 model, grouped by interval the way a factory chart is laid out.

How this bike is built (what the schedule is based on)
Engine cycle
Four-stroke
Engine lubrication
Wet sump (oil in crankcase)
Oil filtration
Replaceable cartridge or spin-on filter
Valve gear
Overhead cam, screw/locknut adjusters
Ignition
Electronic (CDI / transistor / ECU)
Charging
Alternator / stator with rectifier
Battery
Wet cell (flooded lead-acid, needs topping up)
Fuel system
Single carburetor
Cooling
Air / oil cooled
Primary drive
Gear or chain inside engine, shares engine oil
Gearbox oil
Shares engine oil
Clutch control
Hand lever, cable
Final drive
Chain
Front suspension
Telescopic fork
Rear suspension
Swingarm, twin shocks
Front brake
Disc, hydraulic
Rear brake
Drum (or band / belt rim)
Wheels
Spoked, tubed
Sidecar
No sidecar
Maintenance schedule

1999 Hero Honda Hunk (149 cc)

On the road: every 300 km

1 item
  • Check engine oil level
    Pre-ride / on the road
    Guideline

    Each fuel stop on old machines. Dry sump: check the tank hot, engine idling or just stopped, per your manual.

On the road: every 500 km

2 items
  • Check lights, horn, brake light switches
    Pre-ride / on the road
    Guideline
  • Check tire pressures
    Pre-ride / on the road
    Guideline

On the road: every 1,000 km

1 item
  • Check chain slack and rear wheel alignment
    Pre-ride / on the road
    Guideline

On the road: every 2,000 km

1 item
  • Lubricate drive chain
    Pre-ride / on the road
    Factory

    Manual: Drive chain (inspect, clean, lubricate, adjust). Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): I,C,L,A at every 2000 km (dealer)

Every 1,600 km or 1 month

1 item
  • Check battery electrolyte, top up with distilled water
    Ignition and electrics
    Guideline

    Wet-cell batteries on old machines need regular topping up, more in hot weather.

Every 1,600 km or 6 months

1 item
  • Adjust rear drum brake and rod / cable linkage
    Brakes
    Guideline

Every 3,000 km or 3 months

25 items
  • Bystarter operation (inspect)
    Engine
    Factory

    Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at every service

  • Check and adjust valve clearances
    Engine
    Factory

    Manual: Valve clearance (inspect, adjust). Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at every service

  • Electric starter (inspect)
    Engine
    Factory

    Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at every service

  • Engine oil (inspect, top up)
    Engine
    Factory

    Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): I,T at the 2nd, 4th ... 10th services; top up every 3000 km; check level each day before riding

  • Headlamp focus (inspect, adjust)
    Engine
    Factory

    Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at every service

  • Inspect, clean and gap spark plugs
    Engine
    Factory

    Manual: Spark plug (inspect, clean, adjust). Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): I,C,A at the services between replacements

  • Nuts, bolts and fasteners (inspect)
    Engine
    Factory

    Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at every service; inspect and maintain specified torque

  • Oil circulation (inspect)
    Engine
    Factory

    Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at every service

  • Rear suspension (inspect)
    Engine
    Factory

    Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at every service; Note-5: inspect mounting bushes for play, replace if necessary

  • Stop lamp switch (inspect, adjust)
    Engine
    Factory

    Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at every service

  • Air cleaner drain tube (inspect, clean)
    Fuel and air
    Factory

    Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at every service; Note-2: more often in rain or at full throttle

  • Check throttle cable(s) free play and return
    Fuel and air
    Factory

    Manual: Throttle operation (inspect, adjust). Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at every service

  • Engine idle speed/carburetor (adjust)
    Fuel and air
    Factory

    Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at every service; idle CO emission check with idle rpm

  • Replace fuel lines
    Fuel and air
    Factory

    Manual: Fuel line (inspect). Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at every service

  • Clean battery terminals, check charge and strap
    Ignition and electrics
    Factory

    Manual: Battery voltage (inspect). Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at every service

  • Adjust clutch free play, lubricate cable and lever pivot
    Primary and gearbox
    Factory

    Manual: Clutch (inspect, adjust). Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at every service

  • Drive chain slider (inspect)
    Final drive
    Factory

    Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked from the 2nd service on

  • Check steering head bearing adjustment
    Front end
    Factory

    Manual: Steering head bearing (inspect, adjust). Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): I or I,A at every service

  • Grease and check center / side stand and springs
    Rear suspension and frame
    Factory

    Manual: Side stand/main stand (lubricate). Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at every service

  • Inspect rear shocks for leaks and damping
    Rear suspension and frame
    Factory

    Manual: Front suspension/oil (inspect). Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at every service

  • Side stand switch (inspect, clean)
    Rear suspension and frame
    Factory

    Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at every service

  • Brake fluid (inspect)
    Brakes
    Factory

    Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at every service

  • Check brake pads and discs
    Brakes
    Factory

    Manual: Brake shoe/pad wear (inspect, adjust). Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at every service

  • Check wheel bearings for play
    Wheels and tires
    Factory

    Manual: Wheel bearings (inspect). Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at every service; Note-4: inspect free play, replace if necessary

  • Inspect tire tread, sidewalls and date codes
    Wheels and tires
    Factory

    Manual: Wheels/tires (inspect). Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at every service

Every 5,000 km or 12 months

7 items
  • Clean / inspect air filter
    Fuel and air
    Guideline

    Mesh or oiled foam: clean and re-oil. Paper: blow out or replace. Some very early machines have no filter at all.

  • Clean fuel tap filter / sediment bowl
    Fuel and air
    Guideline
  • Clean drive chain thoroughly (remove and soak, re-lube)
    Final drive
    Guideline

    Non O-ring chains on old machines: remove, clean, soak in hot chain grease or lube, refit with the master link clip closed end leading.

  • Inspect chain and sprockets for wear (measure stretch)
    Final drive
    Guideline
  • Inspect fork seals, stanchions and fork boots
    Front end
    Guideline
  • Check footrests, pegs, rear brake and gear lever pivots
    Rear suspension and frame
    Guideline
  • Check spoke tension and wheel true
    Wheels and tires
    Guideline

Every 6,000 km or 6 months

7 items
  • Change engine oil
    Engine
    Factory

    Manual: Engine oil (replace). Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at the 1st, 3rd, 5th ... 11th services (every 6000 km); replace every 6000 km; oil page: every 6000 km / 6 months whichever is earlier

  • Clean oil strainers / mesh screens
    Engine
    Factory

    Manual: Engine oil strainer screen (clean). Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at the 1st, 3rd, 5th ... 11th services (every 6000 km)

  • Muffler (catalytic converter) (inspect, emission check)
    Engine
    Factory

    Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): I,E at the 3rd, 5th ... 11th services

  • Replace oil filter
    Engine
    Factory

    Manual: Engine oil centrifugal filter (clean). Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at the 1st, 3rd, 5th ... 11th services (every 6000 km)

  • Secondary air injection (inspect)
    Engine
    Factory

    Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): marked at the 3rd, 5th ... 11th services

  • Engine idle speed/carburetor (clean)
    Fuel and air
    Factory

    Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): C at the 1st, 3rd, 5th ... 11th services

  • Brake system, brake cam and brake pedal (clean, lubricate)
    Brakes
    Factory

    Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): C,L at the 2nd, 4th ... 10th services

Every 6,500 km or 12 months

1 item
  • Lubricate brake cam spindles, check linings and drums
    Brakes
    Guideline

Every 9,500 km or 12 months

5 items
  • Clean carburetor float bowl(s), check float level and jets
    Fuel and air
    Guideline

    Ethanol fuel varnishes old carbs quickly in storage.

  • Check charging voltage and regulator / cut-out
    Ignition and electrics
    Guideline
  • Check swingarm bushes for play
    Rear suspension and frame
    Guideline
  • Lubricate control cables and lever pivots
    Controls and cables
    Guideline
  • Lubricate speedometer / tachometer cables, check drive
    Controls and cables
    Guideline

    A dry speedo cable whips the needle and eventually kills the instrument.

Every 12,000 km

2 items
  • Replace spark plugs
    Engine
    Factory

    Manual: Spark plug (replace). Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): R at the 5th (12000 km) and 9th (24000 km) services

  • Steering head bearing (lubricate)
    Front end
    Factory

    Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): I,L,A at the 5th (12000 km) and 9th (24000 km) services

Every 15,000 km

1 item
  • Replace air filter element
    Fuel and air
    Factory

    Manual: Air cleaner element (replace). Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): R at 15000 and 30000 km; do not open unless there is a drivability problem; earlier in dusty areas

Every 16,000 km or 2 years

1 item
  • Compression test (or leak-down)
    Engine
    Guideline

Every 19,500 km or 2 years

1 item
  • Grease swingarm pivot
    Rear suspension and frame
    Guideline

Every 20,000 km or 2 years

1 item
  • Change fork oil
    Front end
    Factory

    Manual: Front fork oil (replace). Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): Note-3: replace front fork oil every 2 years or 20000 km, whichever is earlier

Every 24,000 km

1 item
  • Replace brake linings / skim drums (wear based)
    Brakes
    Guideline

Every 29,000 km

1 item
  • Replace chain and sprockets (wear based)
    Final drive
    Guideline

Every 30,000 km or 2 years

1 item
  • Replace brake fluid
    Brakes
    Factory

    Manual: Brake fluid (replace). Factory: Schedule pp.30-31 (1st service 500-750 km or 60 days, then each service every 3000 km or 90 days; Note-1: repeat the pattern at higher readings): note ****: replace every two years or 30000 km, whichever is earlier

Every 32,000 km or 4 years

2 items
  • Repack / replace steering head bearings
    Front end
    Guideline

    Many old machines use loose balls in cups and cones. Taper roller conversions are common.

  • Repack / replace wheel bearings
    Wheels and tires
    Guideline

    Cup-and-cone and taper roller hubs need periodic repacking and adjustment.

Every 40,000 km or 6 years

1 item
  • Replace swingarm bushes / bearings
    Rear suspension and frame
    Guideline

Every 48,500 km or 6 years

1 item
  • Rebuild forks: seals, bushes, springs
    Front end
    Guideline

Every 12 months

1 item
  • Check speedometer / odometer against a known distance
    Controls and cables
    Guideline

    Old speedos drift with tire size and drive wear. Use phone GPS over a measured 10 miles / km.

Every 2 years

2 items
  • Inspect wiring, bullet connectors and ground points
    Ignition and electrics
    Guideline
  • Inspect frame, welds and lugs for cracks
    Rear suspension and frame
    Guideline

Every 4 years

2 items
  • Inspect brake hoses; replace old rubber
    Brakes
    Guideline
  • Rebuild calipers and master cylinders (seals)
    Brakes
    Guideline

Every 6 years

2 items
  • Replace inner tubes and rim tape with tires
    Wheels and tires
    Guideline
  • Replace tires on age (regardless of tread)
    Wheels and tires
    Guideline

Guideline lines: Intervals here are general guidelines for the machine's era and layout, compiled for this app. They are not factory manual figures. Check your workshop manual, and edit any interval in the bike's Schedule tab.

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