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

QM125

Library entry covers 2008-2023

22 factory 38 guideline

Published source

Qingqi QM125-2X GS Manual, List of Regular Maintenance printed p.24 (viewer p.26)

Factory owner's handbook. Covers Qingqi QM125-2X GS manual (ManualsLib 1216669), no year printed; catalog QM125 row may cover other QM125 variants, the -2X match is not confirmed.

60 items for a 2019 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

2019 Qingqi QM125

On the road: every 200 mi

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 300 mi

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 600 mi

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

On the road: every 621 mi

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

    Manual: Driving chain (clean and lubricate). Factory: List of regular maintenance p.24 (interval based on odometer reading or number of months; columns 1000 km or 5 months, 4000 km or 20 months, 8000 km or 40 months; I = inspection, T = tightening, C = cleaning, R = replace; * items): clean and lubricate every 1000 km

Every 1,000 mi or 6 months

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

Every 2,485 mi or 20 months

18 items
  • Change engine oil
    Engine
    Factory

    Manual: Engine oil and oil filter (replace). Factory: List of regular maintenance p.24 (interval based on odometer reading or number of months; columns 1000 km or 5 months, 4000 km or 20 months, 8000 km or 40 months; I = inspection, T = tightening, C = cleaning, R = replace; * items): R marked at 1000 km, 4000 km and 8000 km

  • Chassis bolt and nut (tighten)
    Engine
    Factory

    Factory: List of regular maintenance p.24 (interval based on odometer reading or number of months; columns 1000 km or 5 months, 4000 km or 20 months, 8000 km or 40 months; I = inspection, T = tightening, C = cleaning, R = replace; * items): T marked at 1000 km, 4000 km and 8000 km

  • Check and adjust valve clearances
    Engine
    Factory

    Manual: Valve clearance (I). Factory: List of regular maintenance p.24 (interval based on odometer reading or number of months; columns 1000 km or 5 months, 4000 km or 20 months, 8000 km or 40 months; I = inspection, T = tightening, C = cleaning, R = replace; * items): I marked at 1000 km, 4000 km and 8000 km

  • Clean oil strainers / mesh screens
    Engine
    Factory

    Manual: Oil filter screen (clean). Factory: List of regular maintenance p.24 (interval based on odometer reading or number of months; columns 1000 km or 5 months, 4000 km or 20 months, 8000 km or 40 months; I = inspection, T = tightening, C = cleaning, R = replace; * items): C marked at 1000 km, 4000 km and 8000 km

  • Cylinder head nut and exhaust pipe bolt (tighten)
    Engine
    Factory

    Factory: List of regular maintenance p.24 (interval based on odometer reading or number of months; columns 1000 km or 5 months, 4000 km or 20 months, 8000 km or 40 months; I = inspection, T = tightening, C = cleaning, R = replace; * items): T marked at 1000 km, 4000 km and 8000 km

  • Inspect, clean and gap spark plugs
    Engine
    Factory

    Manual: Spark plug (inspect, clean). Factory: List of regular maintenance p.24 (interval based on odometer reading or number of months; columns 1000 km or 5 months, 4000 km or 20 months, 8000 km or 40 months; I = inspection, T = tightening, C = cleaning, R = replace; * items): I at 1000 km, C at 4000 km

  • Carburetor (I)
    Fuel and air
    Factory

    Factory: List of regular maintenance p.24 (interval based on odometer reading or number of months; columns 1000 km or 5 months, 4000 km or 20 months, 8000 km or 40 months; I = inspection, T = tightening, C = cleaning, R = replace; * items): I marked at 1000 km, 4000 km and 8000 km

  • Clean / inspect air filter
    Fuel and air
    Factory

    Manual: Air filter (clean). Factory: List of regular maintenance p.24 (interval based on odometer reading or number of months; columns 1000 km or 5 months, 4000 km or 20 months, 8000 km or 40 months; I = inspection, T = tightening, C = cleaning, R = replace; * items): C at 4000 km and 8000 km

  • Replace fuel lines
    Fuel and air
    Factory

    Manual: Fuel hose (I). Factory: List of regular maintenance p.24 (interval based on odometer reading or number of months; columns 1000 km or 5 months, 4000 km or 20 months, 8000 km or 40 months; I = inspection, T = tightening, C = cleaning, R = replace; * items): I marked at 1000 km, 4000 km and 8000 km

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

    Manual: Battery (specific gravity of electrolyte) (I). Factory: List of regular maintenance p.24 (interval based on odometer reading or number of months; columns 1000 km or 5 months, 4000 km or 20 months, 8000 km or 40 months; I = inspection, T = tightening, C = cleaning, R = replace; * items): I marked at 1000 km, 4000 km and 8000 km

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

    Manual: Clutch (I). Factory: List of regular maintenance p.24 (interval based on odometer reading or number of months; columns 1000 km or 5 months, 4000 km or 20 months, 8000 km or 40 months; I = inspection, T = tightening, C = cleaning, R = replace; * items): I marked at 1000 km, 4000 km and 8000 km

  • Transmission oil (replace)
    Primary and gearbox
    Factory

    Factory: List of regular maintenance p.24 (interval based on odometer reading or number of months; columns 1000 km or 5 months, 4000 km or 20 months, 8000 km or 40 months; I = inspection, T = tightening, C = cleaning, R = replace; * items): R marked at 1000 km, 4000 km and 8000 km

  • Driving chain (I)
    Final drive
    Factory

    Factory: List of regular maintenance p.24 (interval based on odometer reading or number of months; columns 1000 km or 5 months, 4000 km or 20 months, 8000 km or 40 months; I = inspection, T = tightening, C = cleaning, R = replace; * items): I marked at 1000 km, 4000 km and 8000 km

  • Check steering head bearing adjustment
    Front end
    Factory

    Manual: Steering gear (I). Factory: List of regular maintenance p.24 (interval based on odometer reading or number of months; columns 1000 km or 5 months, 4000 km or 20 months, 8000 km or 40 months; I = inspection, T = tightening, C = cleaning, R = replace; * items): I marked at 1000 km, 4000 km and 8000 km

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

    Manual: Front fork (I). Factory: List of regular maintenance p.24 (interval based on odometer reading or number of months; columns 1000 km or 5 months, 4000 km or 20 months, 8000 km or 40 months; I = inspection, T = tightening, C = cleaning, R = replace; * items): I at 4000 km and 8000 km

  • Rear shock absorber (I)
    Rear suspension and frame
    Factory

    Factory: List of regular maintenance p.24 (interval based on odometer reading or number of months; columns 1000 km or 5 months, 4000 km or 20 months, 8000 km or 40 months; I = inspection, T = tightening, C = cleaning, R = replace; * items): I at 4000 km and 8000 km

  • Check brake pads and discs
    Brakes
    Factory

    Manual: Brake (I). Factory: List of regular maintenance p.24 (interval based on odometer reading or number of months; columns 1000 km or 5 months, 4000 km or 20 months, 8000 km or 40 months; I = inspection, T = tightening, C = cleaning, R = replace; * items): I marked at 1000 km, 4000 km and 8000 km

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

    Manual: Tires (I). Factory: List of regular maintenance p.24 (interval based on odometer reading or number of months; columns 1000 km or 5 months, 4000 km or 20 months, 8000 km or 40 months; I = inspection, T = tightening, C = cleaning, R = replace; * items): I marked at 1000 km, 4000 km and 8000 km

Every 3,000 mi or 12 months

9 items
  • Check throttle cable(s) free play and return
    Fuel and air
    Guideline
  • 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
  • Grease and check center / side stand and springs
    Rear suspension and frame
    Guideline
  • Check spoke tension and wheel true
    Wheels and tires
    Guideline
  • Check wheel bearings for play
    Wheels and tires
    Guideline

Every 4,000 mi or 12 months

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

Every 4,971 mi or 40 months

2 items
  • Replace spark plugs
    Engine
    Factory

    Manual: Spark plug (replace). Factory: List of regular maintenance p.24 (interval based on odometer reading or number of months; columns 1000 km or 5 months, 4000 km or 20 months, 8000 km or 40 months; I = inspection, T = tightening, C = cleaning, R = replace; * items): R at 8000 km

  • Replace fuel filter
    Fuel and air
    Factory

    Manual: Gasoline filter (clean). Factory: List of regular maintenance p.24 (interval based on odometer reading or number of months; columns 1000 km or 5 months, 4000 km or 20 months, 8000 km or 40 months; I = inspection, T = tightening, C = cleaning, R = replace; * items): C at 1000 km and 8000 km; not marked at 4000 km

Every 5,000 mi or 12 months

1 item
  • Replace oil filter
    Engine
    Guideline

Every 6,000 mi 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 10,000 mi or 2 years

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

Every 12,000 mi or 2 years

2 items
  • Replace air filter element
    Fuel and air
    Guideline
  • Grease swingarm pivot
    Rear suspension and frame
    Guideline

Every 15,000 mi or 3 years

1 item
  • Change fork oil
    Front end
    Guideline

    Some early telescopic forks are grease filled or use very small oil quantities. Check your manual.

Every 15,000 mi

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

Every 18,000 mi

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

Every 20,000 mi 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 25,000 mi or 6 years

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

Every 30,000 mi or 6 years

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

Every 2 years

3 items
  • Inspect wiring, bullet connectors and ground points
    Ignition and electrics
    Guideline
  • Inspect frame, welds and lugs for cracks
    Rear suspension and frame
    Guideline
  • Replace brake fluid
    Brakes
    Guideline

Every 4 years

3 items
  • Fuel hose (replace)
    Fuel and air
    Factory

    Factory: List of regular maintenance p.24 (interval based on odometer reading or number of months; columns 1000 km or 5 months, 4000 km or 20 months, 8000 km or 40 months; I = inspection, T = tightening, C = cleaning, R = replace; * items): replace every 4 years

  • 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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Other 2019 Qingqi models

All 2019 Qingqi
2008-2023
QM50
Guideline