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

Marauder 125

Library entry covers 1998-2012

22 factory 33 guideline

Published source

Suzuki GZ125 Service Manual 99500-31090-01E (1998), Periodic Maintenance Chart p. 2-1

Factory workshop manual. Covers 1998- (GZ125 Marauder service manual 99500-31090-01E).

Open the source

55 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: 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

2010 Suzuki Marauder 125

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

Lubricate drive chain

Pre-ride / on the road

Factory

Manual: Drive chain - clean and lubricate. Factory: Clean and lubricate every 1 000 km (600 miles)

On the road: every 2,500 mi or 20 months

1 item

Check chain slack and rear wheel alignment

Pre-ride / on the road

Factory

Manual: Drive chain - I. Factory: Initial 1 000 km; then every column

Every 1,000 mi or 6 months

1 item

Adjust rear drum brake and rod / cable linkage

Brakes

Guideline

Every 2,500 mi or 20 months

14 items

Change engine oil

Engine

Factory

Manual: Engine oil and engine oil filter - R. Factory: Initial 1 000 km/600 mi/5 months; columns 1 000/4 000/8 000 km
Chassis bolts and nuts - T

Engine

Factory

Factory: Tighten initially, then every column
Check and adjust valve clearances

Engine

Factory

Manual: Valve clearance - I. Factory: Initial 1 000 km; then every column
Engine idle speed - I

Engine

Factory

Factory: Initial 1 000 km; then every column
Exhaust pipe bolts and muffler mounting bolts - T

Engine

Factory

Factory: Tighten initially, then every column
Replace oil filter

Engine

Factory

Manual: Engine oil and engine oil filter - R. Factory: Replaced with engine oil every column
Clean / inspect air filter

Fuel and air

Factory

Manual: Air cleaner element - I. Factory: Inspected at 4 000 and 8 000 km columns
Adjust clutch free play, lubricate cable and lever pivot

Primary and gearbox

Factory

Manual: Clutch - I. Factory: Initial 1 000 km; then every column
Cam chain tension adjuster - I

Final drive

Factory

Factory: Initial 1 000 km; then every column
Check steering head bearing adjustment

Front end

Factory

Manual: Steering - I. Factory: Initial 1 000 km; then every column
Inspect fork seals, stanchions and fork boots

Front end

Factory

Manual: Front forks - I. Factory: Every column from 4 000 km
Inspect rear shocks for leaks and damping

Rear suspension and frame

Factory

Manual: Rear suspension - I. Factory: Every column from 4 000 km
Check brake pads and discs

Brakes

Factory

Manual: Brakes - I. Factory: Initial 1 000 km; then every column
Inspect tire tread, sidewalls and date codes

Wheels and tires

Factory

Manual: Tires - I. Factory: Initial 1 000 km; then every column

Every 2,500 mi or 2 years

1 item

Replace brake fluid

Brakes

Factory

Manual: Brake fluid - I; replace every 2 years. Factory: Inspect every column; replace every 2 years

Every 2,500 mi or 4 years

2 items

Replace fuel lines

Fuel and air

Factory

Manual: Fuel hose - I; replace every 4 years. Factory: Inspect every column; replace every 4 years
Inspect brake hoses; replace old rubber

Brakes

Factory

Manual: Brake hose - I; replace every 4 years. Factory: Inspect every column; replace every 4 years

Every 3,000 mi or 12 months

8 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
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 5,000 mi or 40 months

2 items

Inspect, clean and gap spark plugs

Engine

Factory

Manual: Spark plug - C. Factory: Clean at 4 000 km column
Replace spark plugs

Engine

Factory

Manual: Spark plug - R. Factory: Replace at 8 000 km (5 000 mi) column

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 7,500 mi

1 item

Replace air filter element

Fuel and air

Factory

Manual: Air cleaner element - replace. Factory: Replace every 12 000 km (7 500 miles)

Every 10,000 mi or 2 years

1 item

Compression test (or leak-down)

Engine

Guideline

Every 12,000 mi or 2 years

1 item

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 6 months

1 item

Clean battery terminals, check charge and strap

Ignition and electrics

Guideline

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

1 item

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.