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Suzuki · Shim-adjusted overhead-cam four-stroke, wet sump, gearbox shares engine oil, chain drive

Katana 1000

Library entry covers 2019-2025

31 factory 50 guideline

Published source

Suzuki GSX-S1000S Katana Instrukcja obslugi (Polish), Plan przegladow p.6-4 (dostoros.suzuki.pl)

Factory source. Covers Suzuki GSX-S1000S Katana owner's manual, Polish edition (Suzuki Motor Poland, filed under 2025); European schedule.

81 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, 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: Fuel injection
Cooling: Liquid 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, single shock / cantilever
Front brake: Disc, hydraulic
Rear brake: Disc, hydraulic
Wheels: Cast / alloy, tubeless
Sidecar: No sidecar

Maintenance schedule

2019 Suzuki Katana 1000

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

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 800 km

1 item

Check coolant level

Pre-ride / on the road

Guideline

On the road: every 1,000 km

1 item

Check chain slack and rear wheel alignment

Pre-ride / on the road

Guideline

Every 1,000 km

2 items

General lubrication (lubrication points)

Ignition and electrics

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): every 1,000 km. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
Drive chain (clean and lubricate)

Final drive

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): every 1,000 km. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.

Every 1,600 km or 6 months

1 item

Inspect tire tread, sidewalls and date codes

Wheels and tires

Guideline

Every 5,000 km or 12 months

9 items

Check throttle cable(s) free play and return

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 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 12 months

1 item

Brake fluid (inspect)

Brakes

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): every year or every 6,000 km. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.

Every 6,500 km or 12 months

2 items

Inspect, clean and gap spark plugs

Engine

Guideline
Adjust clutch free play, lubricate cable and lever pivot

Primary and gearbox

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

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.
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

17 items

Chassis bolts and nuts (tighten)

Engine

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): at 1,000 km / 2 months, then every 12,000 km or 12 months. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
Cooling system hoses (inspect)

Engine

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): every 12,000 km or 12 months from 12,000 km. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
Engine oil (replace)

Engine

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): at 1,000 km / 2 months, then every 12,000 km or 12 months. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
Exhaust pipe bolts and muffler bolts (tighten)

Engine

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): at 1,000 km / 2 months, then every 12,000 km or 12 months. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
Front suspension (inspect)

Engine

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): every 12,000 km or 12 months from 12,000 km. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
Rear suspension (inspect)

Engine

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): every 12,000 km or 12 months from 12,000 km. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
Spark plugs (replace)

Engine

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): every 12,000 km or 12 months from 12,000 km. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
Throttle body bore (clean)

Engine

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): every 12,000 km or 12 months from 12,000 km. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
Throttle body synchronization (inspect)

Engine

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): every 12,000 km or 12 months from 12,000 km. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
Air filter element (inspect)

Fuel and air

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): at 12,000, 24,000 and 48,000 km. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
Fuel hose (inspect)

Fuel and air

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): every 12,000 km or 12 months from 12,000 km. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
Clutch cable play (inspect)

Primary and gearbox

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): every 12,000 km or 12 months from 12,000 km. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
Drive chain (inspect)

Final drive

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): at 1,000 km / 2 months, then every 12,000 km or 12 months. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
Steering (inspect)

Front end

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): at 1,000 km / 2 months, then every 12,000 km or 12 months. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
Brake hose (inspect)

Brakes

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): every 12,000 km or 12 months from 12,000 km. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
Brakes (inspect)

Brakes

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): at 1,000 km / 2 months, then every 12,000 km or 12 months. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
Tires (inspect)

Wheels and tires

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): every 12,000 km or 12 months from 12,000 km. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.

Every 16,000 km or 2 years

1 item

Compression test (or leak-down)

Engine

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 24,000 km or 2 years

5 items

Coolant, Suzuki Long Life (green) or other (replace)

Engine

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): every 24,000 km or 24 months. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
Engine oil filter (replace)

Engine

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): at 1,000 km, then every 24,000 km or 24 months. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
PAIR system (inspect; if equipped)

Engine

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): every 24,000 km or 24 months. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
Evaporative emission control system (inspect; if equipped)

Controls and cables

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): every 24,000 km or 24 months. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
Exhaust control valve (inspect)

Controls and cables

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): at 1,000, 24,000 and 48,000 km. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.

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 or 4 years

1 item

Check valve clearances (shim adjusted)

Engine

Guideline

Every 24,000 km

1 item

Valve clearance (inspect)

Engine

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): every 24,000 km. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.

Every 25,500 km or 4 years

1 item

Replace spark plugs

Engine

Guideline

Every 29,000 km

1 item

Replace chain and sprockets (wear based)

Final drive

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 36,000 km or 3 years

1 item

Air filter element (replace)

Fuel and air

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): at 36,000 km. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.

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 48,000 km or 4 years

1 item

Coolant, Suzuki Super Long Life (blue) (replace)

Engine

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): at 48,000 km or 48 months. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.

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

5 items

Replace coolant

Engine

Guideline
Inspect wiring, bullet connectors and ground points

Ignition and electrics

Guideline
Inspect frame, welds and lugs for cracks

Rear suspension and frame

Guideline
Brake fluid (replace)

Brakes

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): every 2 years. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
Replace brake fluid

Brakes

Guideline

Every 4 years

5 items

Fuel hose (replace)

Fuel and air

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): every 4 years. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
Replace fuel lines

Fuel and air

Guideline

Old rubber and modern ethanol fuel do not mix well.
Brake hose (replace)

Brakes

Factory

Factory: Plan przegladow, dla Europy (Suzuki GSX-S1000S Katana owner's manual, Polish edition from Suzuki Motor Poland, file dated 2025, printed p.6-4; translated): every 4 years. Columns as printed, whichever comes first: 1,000 km / 2 months; 12,000 km / 12 months; 24,000 km / 24 months; 36,000 km / 36 months; 48,000 km / 48 months. Key: I inspect and clean, adjust, replace or lubricate as needed; R replace; T tighten. Items marked * should be done by a Suzuki dealer. Service more often in severe use.
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.