No photo of this model in the library yet.

Have this bike? Send a photo or the manual's service chart

Triumph · Shim-adjusted overhead-cam four-stroke twin, wet sump, gearbox shares engine oil, belt drive

Thunderbird Commander (1699 cc)

Library entry covers 2014-2019

39 factory 46 guideline

Published source

Triumph Thunderbird Commander and LT owner's handbook (10.2013), scheduled maintenance pp.68-70

Factory owner's handbook. Covers Triumph Thunderbird Commander and Thunderbird LT owner's handbook (foreword names both), part no. 3852561, 10.2013; filed for the Thunderbird Commander.

85 items for a 2018 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: Toothed belt
Front suspension: Telescopic fork
Rear suspension: Swingarm, twin shocks
Front brake: Disc, hydraulic
Rear brake: Disc, hydraulic
Wheels: Cast / alloy, tubeless
Sidecar: No sidecar

Maintenance schedule

2018 Triumph Thunderbird Commander (1699 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

On the road: every 800 km

1 item

Check coolant level

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 4,000 km

1 item

Drive belt tension (check and adjust)

Engine

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: every day; first service; every 2,500 miles (4,000 km).

Every 5,000 km or 12 months

7 items

Check throttle cable(s) free play and return

Fuel and air

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 6,500 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

3 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
Inspect drive belt, pulleys and tension

Final drive

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 10,000 km or 12 months

28 items

ABS and immobiliser ECMs, stored DTCs (check)

Engine

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Autoscan with the Triumph diagnostic tool

Engine

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Coolant level (check and adjust)

Engine

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: every day; first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km).
Cooling system leaks (check)

Engine

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Drive belt wear or damage (inspect)

Engine

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: every day; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Engine leaks (check)

Engine

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: every day; first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Engine oil (renew)

Engine

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Engine oil filter (renew)

Engine

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Fasteners, security (visual inspection)

Engine

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: every day; first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Headstock bearings (check and adjust)

Engine

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Lights, instruments and electrical systems (check)

Engine

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: every day; first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Throttle bodies (balance)

Engine

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Fuel system leaks and chafing (check)

Fuel and air

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: every day; first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Clutch cable (check and adjust)

Primary and gearbox

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: every day; first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Forks, leaks and smooth operation (check)

Front end

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: every day; first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Steering free operation (check)

Front end

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: every day; first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Side stand operation (check)

Rear suspension and frame

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: every day; first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Brake calipers, fluid leaks and seized pistons (check)

Brakes

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Brake fluid levels (check)

Brakes

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: every day; first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Brake master cylinders, fluid leaks (check)

Brakes

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Brake pad wear (check)

Brakes

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: every day; first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Spoked wheels, broken or damaged spokes and spoke tightness (check)

Wheels and tires

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Tire pressures (check and adjust)

Wheels and tires

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: every day; first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Tire wear and damage (check)

Wheels and tires

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: every day; first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Wheel and belt pulley bearings, wear and smooth operation (check)

Wheels and tires

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Wheels, damage (inspect)

Wheels and tires

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: every day; first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Exhaust butterfly valve cables (check and adjust)

Controls and cables

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Throttle cables (check and adjust)

Controls and cables

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: every day; first service at 500 mi (800 km) or 1 month; annual service; 6,000 and 18,000 mi (10,000 and 30,000 km); 12,000 mi (20,000 km); 24,000 mi (40,000 km).

Every 10,000 km

1 item

Spark plugs (check)

Engine

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: 6,000 and 18,000 mi (10,000 and 30,000 km). Marked in the 6,000 and 18,000 mi column only.

Every 16,000 km or 2 years

1 item

Compression test (or leak-down)

Engine

Guideline

Every 19,500 km or 2 years

3 items

Replace air filter element

Fuel and air

Guideline
Synchronize throttle bodies

Fuel and air

Guideline
Grease swingarm pivot

Rear suspension and frame

Guideline

Every 20,000 km

6 items

Coolant (renew)

Engine

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Headstock bearings (lubricate)

Engine

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Spark plugs (renew)

Engine

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Valve clearances (check)

Engine

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Air cleaner (renew)

Fuel and air

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: 12,000 mi (20,000 km); 24,000 mi (40,000 km).
Fuel filter (renew)

Fuel and air

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: 12,000 mi (20,000 km); 24,000 mi (40,000 km).

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 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 40,000 km

1 item

Fork oil (renew)

Front end

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: 24,000 mi (40,000 km).

Every 48,500 km or 6 years

1 item

Rebuild forks: seals, bushes, springs

Front end

Guideline

Every 80,500 km

1 item

Replace drive belt (wear or damage based)

Final drive

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 (renew)

Brakes

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: every 2 years, regardless of mileage.
Replace brake fluid

Brakes

Guideline

Every 4 years

4 items

Fuel and evaporative loss hoses (renew)

Fuel and air

Factory

Factory: Scheduled maintenance (printed pp.68-70), odometer reading in miles (km) or time period, whichever comes first. Marked: every 4 years, regardless of mileage (evaporative system on California models only).
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.