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

G-Max (150 cc)

Library entry covers 2006-2016

31 factory 45 guideline

Published source

PGO G-MAX Owner's Manual, Periodical Maintenance Table (ManualsLib viewer pp.40-41)

Factory source. Covers PGO G-MAX owner's manual (English; no year printed in the pages read); other editions not compared.

76 items for a 2016 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: Fuel injection
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: Disc, hydraulic
Wheels: Cast / alloy, tubeless
Sidecar: No sidecar

Maintenance schedule

2016 PGO G-Max (150 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 1,600 km or 6 months

1 item

Inspect tire tread, sidewalls and date codes

Wheels and tires

Guideline

Every 3,000 km or 3 months

16 items

Coarse oil filter on drain bolt (clean; replace if necessary)

Engine

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): at 300 km, then every 3,000 km. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
Cooling water, radiator and hoses (check for leaks; clean radiator)

Engine

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): at 300 km or 1 month, then every 3,000 km or 3 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
EMS function (inspect; clear defect memory if necessary)

Engine

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): every 3,000 km or 3 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
Engine idle speed (adjust to 1650 +/- 100 rpm)

Engine

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): at 300 km or 1 month, then every 3,000 km or 3 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
Engine oil (replace; 800 cc change, 1,000 cc total; 10W-40 or 15W-40)

Engine

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): at 300 km, then every 3,000 km. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
ISC valve (check; ISC 1-10 with engine hot)

Engine

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): at 300 km or 1 month, then every 3,000 km or 3 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
Nuts, bolts and fasteners (check and tighten)

Engine

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): every 3,000 km or 3 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
Spark plug (inspect and clean)

Engine

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): every 3,000 km or 3 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
Air cleaner housing: cracks and blockage (check)

Fuel and air

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): every 3,000 km or 3 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
Air filter (inspect and clean)

Fuel and air

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): every 3,000 km or 3 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
Carburetor idle air/fuel adjustment (check CO/HC)

Fuel and air

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): at 300 km or 1 month, then every 3,000 km or 3 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
Battery (inspect and recharge if required)

Ignition and electrics

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): every 3,000 km or 3 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
Main and side stand (check function)

Rear suspension and frame

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): every 3,000 km or 3 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
Disc and drum brakes: leaks and function (check)

Brakes

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): every 3,000 km or 3 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
Tires (check wear; replace if necessary)

Wheels and tires

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): every 3,000 km or 3 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
Wheel bearings (check; tighten if loose)

Wheels and tires

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): every 3,000 km or 3 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.

Every 5,000 km or 12 months

8 items

Check throttle cable(s) free play and return

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 6,000 km or 6 months

12 items

Gear oil (replace; 90 cc change, 110 cc total; SAE 140)

Engine

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): at 300 km and 3,000 km, then every 6,000 km (9,000, 15,000 km). Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
Oil filter (replace)

Engine

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): at 300 km, then every 6,000 km. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
Spark plug (replace)

Engine

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): every 6,000 km or 6 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
V-belt (check wear and adjust; replace if necessary)

Engine

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): every 6,000 km or 6 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
Air filter (replace)

Fuel and air

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): every 6,000 km or 6 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
Battery poles (clean)

Ignition and electrics

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): every 6,000 km or 6 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
Clutch shoes (inspect)

Primary and gearbox

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): every 6,000 km or 6 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
Front fork: leaks and function (check)

Front end

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): at 300 km, then every 6,000 km or 6 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
Steering head bearing (check looseness and adjust)

Front end

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): every 6,000 km or 6 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
Main and side stand (lubricate)

Rear suspension and frame

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): every 6,000 km or 6 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
Rear shock absorber: leaks and function (check)

Rear suspension and frame

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): every 6,000 km or 6 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.
Rear brake arm (check function and adjust)

Brakes

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): every 6,000 km or 6 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.

Every 6,500 km or 12 months

2 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.

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 9,000 km or 9 months

1 item

Fuel filter (replace)

Fuel and air

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): at 300 km, then every 9,000 km. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.

Every 9,500 km or 12 months

6 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.
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 12,000 km or 12 months

1 item

Clutch shoes (replace)

Primary and gearbox

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): every 12,000 km or 12 months. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.

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

4 items

Replace air filter element

Fuel and air

Guideline
Synchronize throttle bodies

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 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 38,500 km or 4 years

1 item

Replace fuel filter

Fuel and air

Guideline

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

No interval set

1 item

Valve clearance (IN and EX 0.08 mm, engine cold; adjust when necessary)

Engine

Factory

Factory: Periodical maintenance table (ManualsLib viewer pp.40-41): adjust when necessary. Columns as printed: 1 month or 300 km, then 3/6/9/12/15/18 months or 3,000/6,000/9,000/12,000/15,000/18,000 km. Codes: I inspect; R replace; C clean; A adjust; L lubricate. Items marked * are dealer items.

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.