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PGO · Overhead-cam four-stroke single, wet sump, separate gearbox oil, CVT belt drive

Ligero (125 cc)

Library entry covers 2008-2016

13 factory 48 guideline

Published source

PGO Ligero PA-50/PA-100/PA-125 Owner's Manual, Periodical maintenance table (ManualsLib 4178898, viewer p.31)

Factory source. Covers PGO Ligero / Ligero RS owner's manual naming PA50, PA100 and PA125 (no year printed).

61 items for a 2010 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: Separate gearbox oil
Clutch control: Automatic or semi-automatic
Final drive: Belt CVT, scooter automatic
Front suspension: Telescopic fork
Rear suspension: Swingarm, single shock / cantilever
Front brake: Disc, hydraulic
Rear brake: Drum (or band / belt rim)
Wheels: Cast / alloy, tubeless
Sidecar: No sidecar

Maintenance schedule

2010 PGO Ligero (125 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

Every 1,000 km

1 item

Engine oil, 4T (replace; 800 cc, total 900 cc)

Engine

Factory

Factory: Periodical maintenance table (PGO Ligero / Ligero RS owner's manual covering PA50 2T, PA100 and PA125 4T, ManualsLib viewer p.31): at 1 month / 300 km, then every 1,000 km as printed. Columns as printed: 1 month or 300 km; 3 or 2,500 km; 6 or 5,000 km; 9 or 7,500 km; 12 or 10,000 km; 15 or 12,500 km; 18 or 15,000 km (months or km). Items marked * are recommended to be done by a PGO dealer. Rows for the 4T and ALL models only (the PA125 is 4T). No year printed.

Every 1,600 km or 6 months

2 items

Adjust rear drum brake and rod / cable linkage

Brakes

Guideline
Inspect tire tread, sidewalls and date codes

Wheels and tires

Guideline

Every 2,500 km or 3 months

7 items

Air cleaner (clean or replace if necessary)

Fuel and air

Factory

Factory: Periodical maintenance table (PGO Ligero / Ligero RS owner's manual covering PA50 2T, PA100 and PA125 4T, ManualsLib viewer p.31): every 2,500 km or 3 months from 2,500 km. Columns as printed: 1 month or 300 km; 3 or 2,500 km; 6 or 5,000 km; 9 or 7,500 km; 12 or 10,000 km; 15 or 12,500 km; 18 or 15,000 km (months or km). Items marked * are recommended to be done by a PGO dealer. Rows for the 4T and ALL models only (the PA125 is 4T). No year printed.
Air filter (clean or replace if required)

Fuel and air

Factory

Factory: Periodical maintenance table (PGO Ligero / Ligero RS owner's manual covering PA50 2T, PA100 and PA125 4T, ManualsLib viewer p.31): every 2,500 km or 3 months from 2,500 km. Columns as printed: 1 month or 300 km; 3 or 2,500 km; 6 or 5,000 km; 9 or 7,500 km; 12 or 10,000 km; 15 or 12,500 km; 18 or 15,000 km (months or km). Items marked * are recommended to be done by a PGO dealer. Rows for the 4T and ALL models only (the PA125 is 4T). No year printed.
Clutch shoes (check or replace if necessary)

Primary and gearbox

Factory

Factory: Periodical maintenance table (PGO Ligero / Ligero RS owner's manual covering PA50 2T, PA100 and PA125 4T, ManualsLib viewer p.31): every 2,500 km or 3 months from 2,500 km. Columns as printed: 1 month or 300 km; 3 or 2,500 km; 6 or 5,000 km; 9 or 7,500 km; 12 or 10,000 km; 15 or 12,500 km; 18 or 15,000 km (months or km). Items marked * are recommended to be done by a PGO dealer. Rows for the 4T and ALL models only (the PA125 is 4T). No year printed.
Front fork (leaking and function check)

Front end

Factory

Factory: Periodical maintenance table (PGO Ligero / Ligero RS owner's manual covering PA50 2T, PA100 and PA125 4T, ManualsLib viewer p.31): at 1 month / 300 km, then every 2,500 km or 3 months. Columns as printed: 1 month or 300 km; 3 or 2,500 km; 6 or 5,000 km; 9 or 7,500 km; 12 or 10,000 km; 15 or 12,500 km; 18 or 15,000 km (months or km). Items marked * are recommended to be done by a PGO dealer. Rows for the 4T and ALL models only (the PA125 is 4T). No year printed.
Disk and drum brake (leaking and function check)

Brakes

Factory

Factory: Periodical maintenance table (PGO Ligero / Ligero RS owner's manual covering PA50 2T, PA100 and PA125 4T, ManualsLib viewer p.31): every 2,500 km or 3 months from 2,500 km. Columns as printed: 1 month or 300 km; 3 or 2,500 km; 6 or 5,000 km; 9 or 7,500 km; 12 or 10,000 km; 15 or 12,500 km; 18 or 15,000 km (months or km). Items marked * are recommended to be done by a PGO dealer. Rows for the 4T and ALL models only (the PA125 is 4T). No year printed.
Tires (worn-out check or replace if necessary)

Wheels and tires

Factory

Factory: Periodical maintenance table (PGO Ligero / Ligero RS owner's manual covering PA50 2T, PA100 and PA125 4T, ManualsLib viewer p.31): every 2,500 km or 3 months from 2,500 km. Columns as printed: 1 month or 300 km; 3 or 2,500 km; 6 or 5,000 km; 9 or 7,500 km; 12 or 10,000 km; 15 or 12,500 km; 18 or 15,000 km (months or km). Items marked * are recommended to be done by a PGO dealer. Rows for the 4T and ALL models only (the PA125 is 4T). No year printed.
Wheel bearing (fasten tightly if loose)

Wheels and tires

Factory

Factory: Periodical maintenance table (PGO Ligero / Ligero RS owner's manual covering PA50 2T, PA100 and PA125 4T, ManualsLib viewer p.31): every 2,500 km or 3 months from 2,500 km. Columns as printed: 1 month or 300 km; 3 or 2,500 km; 6 or 5,000 km; 9 or 7,500 km; 12 or 10,000 km; 15 or 12,500 km; 18 or 15,000 km (months or km). Items marked * are recommended to be done by a PGO dealer. Rows for the 4T and ALL models only (the PA125 is 4T). No year printed.

Every 3,000 km

1 item

Coarse oil filter on oil draining bolt, 4T (clean or replace if necessary)

Engine

Factory

Factory: Periodical maintenance table (PGO Ligero / Ligero RS owner's manual covering PA50 2T, PA100 and PA125 4T, ManualsLib viewer p.31): at 1 month / 300 km; then clean every 3,000 km or replace if required. Columns as printed: 1 month or 300 km; 3 or 2,500 km; 6 or 5,000 km; 9 or 7,500 km; 12 or 10,000 km; 15 or 12,500 km; 18 or 15,000 km (months or km). Items marked * are recommended to be done by a PGO dealer. Rows for the 4T and ALL models only (the PA125 is 4T). No year printed.

Every 5,000 km or 6 months

3 items

Gear oil (replace; 90 cc, total 110 cc)

Engine

Factory

Factory: Periodical maintenance table (PGO Ligero / Ligero RS owner's manual covering PA50 2T, PA100 and PA125 4T, ManualsLib viewer p.31): at 1 month / 300 km, then at 2,500, 7,500 and 12,500 km: every 5,000 km or 6 months. Columns as printed: 1 month or 300 km; 3 or 2,500 km; 6 or 5,000 km; 9 or 7,500 km; 12 or 10,000 km; 15 or 12,500 km; 18 or 15,000 km (months or km). Items marked * are recommended to be done by a PGO dealer. Rows for the 4T and ALL models only (the PA125 is 4T). No year printed.
Steering head bearing (check looseness; adjust if required)

Front end

Factory

Factory: Periodical maintenance table (PGO Ligero / Ligero RS owner's manual covering PA50 2T, PA100 and PA125 4T, ManualsLib viewer p.31): at 5,000, 10,000 and 15,000 km: every 5,000 km or 6 months. Columns as printed: 1 month or 300 km; 3 or 2,500 km; 6 or 5,000 km; 9 or 7,500 km; 12 or 10,000 km; 15 or 12,500 km; 18 or 15,000 km (months or km). Items marked * are recommended to be done by a PGO dealer. Rows for the 4T and ALL models only (the PA125 is 4T). No year printed.
Rear brake arm (function check and adjustment)

Brakes

Factory

Factory: Periodical maintenance table (PGO Ligero / Ligero RS owner's manual covering PA50 2T, PA100 and PA125 4T, ManualsLib viewer p.31): at 5,000, 10,000 and 15,000 km: every 5,000 km or 6 months. Columns as printed: 1 month or 300 km; 3 or 2,500 km; 6 or 5,000 km; 9 or 7,500 km; 12 or 10,000 km; 15 or 12,500 km; 18 or 15,000 km (months or km). Items marked * are recommended to be done by a PGO dealer. Rows for the 4T and ALL models only (the PA125 is 4T). No year printed.

Every 5,000 km 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
Adjust automatic / semi-automatic clutch

Primary and gearbox

Guideline
Check steering head bearing adjustment

Front end

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 brake pads and discs

Brakes

Guideline
Check wheel bearings for play

Wheels and tires

Guideline

Every 5,000 km

1 item

Oil filter (replace at first service; clean)

Engine

Factory

Factory: Periodical maintenance table (PGO Ligero / Ligero RS owner's manual covering PA50 2T, PA100 and PA125 4T, ManualsLib viewer p.31): replace at 1 month / 300 km; then clean every 5,000 km or replace if required. Columns as printed: 1 month or 300 km; 3 or 2,500 km; 6 or 5,000 km; 9 or 7,500 km; 12 or 10,000 km; 15 or 12,500 km; 18 or 15,000 km (months or km). Items marked * are recommended to be done by a PGO dealer. Rows for the 4T and ALL models only (the PA125 is 4T). No year printed.

Every 6,500 km or 12 months

3 items

Inspect, clean and gap spark plugs

Engine

Guideline
Inspect CVT drive belt, rollers / sliders and clutch shoes

Final drive

Guideline

Typical scooter interval. Your owner's manual figure governs; check belt width against the service limit.
Lubricate brake cam spindles, check linings and drums

Brakes

Guideline

Every 8,000 km or 12 months

2 items

Change engine oil

Engine

Guideline

Pre-1970 machines: many owners run non-detergent or classic-spec oil with no filter, so short intervals matter. Dry sump: drain the tank and the crankcase/sump, flush the tank and clean the feed and return screens.
Replace oil filter

Engine

Guideline

Every 9,500 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 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
Inspect rear shocks for leaks and damping

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 13,000 km or 2 years

1 item

Check and adjust valve clearances

Engine

Guideline

Every 16,000 km or 2 years

2 items

Compression test (or leak-down)

Engine

Guideline
Change gearbox oil

Primary and gearbox

Guideline

Every 19,500 km or 2 years

3 items

Replace air filter element

Fuel and air

Guideline
Clean and grease rear suspension linkage

Rear suspension and frame

Guideline
Grease swingarm pivot

Rear suspension and frame

Guideline

Every 19,500 km or 3 years

1 item

Replace CVT drive belt

Final drive

Guideline

Typical scooter interval, or sooner if the belt is cracked, glazed or below its width limit.

Every 24,000 km 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 24,000 km

1 item

Replace brake linings / skim drums (wear based)

Brakes

Guideline

Every 25,500 km or 4 years

1 item

Replace spark plugs

Engine

Guideline

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 6 months

1 item

Clean battery terminals, check charge and strap

Ignition and electrics

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

Replace fuel lines

Fuel and air

Guideline

Old rubber and modern ethanol fuel do not mix well.
Inspect brake hoses; replace old rubber

Brakes

Guideline
Rebuild calipers and master cylinders (seals)

Brakes

Guideline

Every 6 years

1 item

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.