Ducati · Ducati belt-drive desmo (Pantah, SS, Monster, 900-1200 1979-)

Monster S4R / S4Rs (liquid-cooled)

Library entry covers 2003-2008

15 factory 40 guideline

Published source

Ducati Monster S4Rs owner's manual, Scheduled maintenance program (dealer)

Factory owner's handbook. Covers Monster S4Rs (c.2006-2008, multilingual owner's manual).

Open the source

55 items for a 2003 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, shim adjusted (incl. desmo)
Ignition: Electronic (CDI / transistor / ECU)
Charging: Alternator / stator with rectifier
Battery: Wet cell (flooded lead-acid, needs topping up)
Fuel system: Single carburetor
Cooling: Liquid cooled
Primary drive: Gear or chain inside engine, shares engine oil
Gearbox oil: Shares engine oil
Clutch control: Hand lever, hydraulic
Final drive: Chain
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

2003 Ducati Monster S4R / S4Rs (liquid-cooled)

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

3 items

Check lights, horn, brake light switches

Pre-ride / on the road

Guideline
Check tire pressures

Pre-ride / on the road

Guideline
Lubricate drive chain

Pre-ride / on the road

Guideline

Lube warm, ideally at the end of the riding day so it soaks in overnight. Sooner after rain.

On the road: every 500 mi

1 item

Check coolant level

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

Every 1,000 mi or 6 months

1 item

Inspect tire tread, sidewalls and date codes

Wheels and tires

Guideline

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
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

Every 4,000 mi or 12 months

1 item

Inspect, clean and gap spark plugs

Engine

Guideline

Every 6,000 mi or 12 months

8 items

Inspect coolant hoses and clamps

Engine

Guideline
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 7,456 mi or 12 months

2 items

Change engine oil

Engine

Factory

Manual: Renew engine oil. Factory: Columns km x1000 1/12/24/36/48/60, months 6/12/24/36/48/60; first 1,000 km
Replace oil filter

Engine

Factory

Manual: Renew engine oil filter. Factory: First 1,000 km

Every 7,456 mi

2 items

Check valve clearances (shim adjusted)

Engine

Factory

Manual: Check and/or adjust valve clearance. Factory: Desmodromic; mileage limit only
Synchronize throttle bodies

Fuel and air

Factory

Manual: Check timing and idling of throttle body.

Every 10,000 mi or 2 years

1 item

Compression test (or leak-down)

Engine

Guideline

Every 12,000 mi or 2 years

3 items

Replace cam timing belts

Engine

Guideline

Belt life is age and mileage limited. Newer models allow longer intervals: check yours.
Clean and grease rear suspension linkage

Rear suspension and frame

Guideline
Grease swingarm pivot

Rear suspension and frame

Guideline

Every 14,913 mi or 2 years

5 items

Replace spark plugs

Engine

Factory

Manual: Check and clean spark plugs. Renew if necessary.
Replace air filter element

Fuel and air

Factory

Manual: Renew airfilter. Factory: Clean at 12, 36, 60 x1000 km
Renew timing belts

Ignition and electrics

Factory

Factory: Marked 24 and 48 x1000 km
Check steering head bearing adjustment

Front end

Factory

Manual: Check steering bearings.
Check wheel bearings for play

Wheels and tires

Factory

Manual: Check wheel hub bearings.

Every 14,913 mi

1 item

Check timing belt tension

Ignition and electrics

Factory

Factory: Marked 12, 36, 60 x1000 km

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 22,369 mi or 3 years

5 items

Clean oil strainers / mesh screens

Engine

Factory

Manual: Clean engine oil pick-up filter. Factory: Marked at 36,000 km only
Replace coolant

Engine

Factory

Manual: Renew coolant. Factory: Marked at 36,000 km / 36 months
Replace hydraulic clutch fluid

Primary and gearbox

Factory

Manual: Renew brake and clutch fluid. Factory: Same row as brake fluid
Change fork oil

Front end

Factory

Manual: Renew front fork oil. Factory: Marked at 36,000 km / 36 months
Replace brake fluid

Brakes

Factory

Manual: Renew brake and clutch fluid. Factory: Marked at 36,000 km / 36 months

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

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.