Triumph Bonneville T100 (2017-2020) Maintenance Schedule

This is the maintenance schedule with associated service intervals for the Triumph Bonneville T100 motorcycles made from 2017-2020 (announced in late 2016).

The Bonneville T100’s maintenance schedule is very similar to those for other motorcycles with similar engines in the Triumph Modern Classics with the same engine.

The Bonneville T100 is an evolution of the previous generation of Bonneville T100 which had an 865cc engine. The 2017-2020 Triumph Bonneville T100 is based on the same platform as the original 2017 Street Twin, with a 900cc parallel twin water-cooled and fuel-injected motor with a 270-degree crank.

The 2021+ Bonneville T100 was updated for EURO 5 regulations, with the engine re-tuned significantly, closely matching the new Street Twin.

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2017+ Triumph Bonneville T100 models

What you need to service the Triumph Bonneville T100 (2017-2020)

Servicing the Bonneville T100 is a lot like servicing the Street Twin. After all, they’re very similar motorcycles (same engine base) — just different in terms of chassis.

PartTriumph 900cc Bonneville T100 (2017-2020)
OilTriumph recommends 10W/40 or 10W/50 semi or fully synthetic motorcycle engine oil that meets specification API SH (or higher) and JASO MA, such as Castrol Power 1 Racing 4T 10W-40 (fully synthetic) engine oil, sold as Castrol Power RS Racing 4T 10W-40 (fully synthetic) in some countries. A high-quality alternative is Motul 7100.
Oil filterReplace the oil filter every time you change the oil. Use Triumph part number T1218001, which fits a lot of Triumph motorcycles. You can also use Hiflofiltro HF204RC which has a neat nut on the end.
Brake fluidTriumph motorcycles need DOT 4 brake fluid (the 900cc range has a clutch cable, so you don’t need fluid for the clutch).
CoolantTriumph uses Hybrid Organic Acid Technology coolant with a 50% ethylene glycol mix. Zerex Asian Vehicle Coolant is a HOAT coolant that meets this spec.
Front brake padsStandard brake pads code is T2027535. The equivalent part number for EBC brakes is FA181HH.
Rear brake padsUse original part number T2022955. The equivalent part number for EBC brakes is FA214/2HH.
Spark plugsNGK code LMAR8A-9. Note they’re sold individually. Make sure they’re gapped to 0.9mm (+0.0, -0.1mm) with an appropriate spark plug gap tool.
Air filterThe part number for the air filter is T2201057. You can also use K&N part TB-9016.
Consumables for Triumph 900cc Bonneville T100 (2017-2020)

Maintenance Schedule for Triumph Bonneville T100

The following is the list of maintenance operations and to be done on this motorcycle with a distance or time interval — whichever comes earlier.


  • Carry out the initial 500 mi/800km at that period or after one month, whichever comes earlier.
  • Part of the below table includes checks you should do every day. Do these on your annual service too.
  • [T] Some maintenance items are only able to be done by a Triumph mechanic with all Triumph official tools.
  • The evaporative system fitted to models for certain markets only.
km x 10000.810203040
mi x 1000Every0.516324864
Engine – check for leaks Day
Engine oil – replace (Motul 7100 10W-40)Year
Engine oil filter – replace (HF204RC)Year
Fuel System and Engine Management
Fuel system – check for leaks, chafing etc.
Throttle body plate (butterfly) – check/clean
[T] Autoscan – Carry out a full Autoscan using the Triumph Diagnostic ToolYear
Air cleaner – replace
Fuel filter – replace
Fuel hoses – replace 4 years
Evaporative loss hoses* – replace4 years
Ignition system
Spark plugs – check
Spark plugs – replace (NGK LMAR8A-9)
Cooling system
Cooling system – check for leaks Day
Cooling system – check coolant hoses for chafing/ cracks/ damage. Replace if necessary.
Coolant level – check/adjustDay
Coolant – replace3 years
Clutch cable – check function and adjust as necessaryDay
Valve clearances – check
Camshaft timing
Wheels and Tires
Tire wear/tire damage – checkDay
Tire pressures – check/adjust Day
Wheels – inspect for damageDay
Wheels – check wheels for broken or damaged spokes and check spoke tightnessDay
Wheel bearings – check for wear/smooth operationYear
Steering and Suspension
Steering – check for free operationDay
Front and rear suspension – check for damage/ leaks /smooth operationDay
Fork oil – replace
Steering head bearings – check/adjust Year
Steering head bearings – lubricate
Brake pads – check wear levelsDay
Brake master cylinders – check for fluid leaksYear
Brake calipers – check for fluid leaks and seized pistonsYear
Brake fluid levels – checkDay
Brake fluid – replace2 years
Drive Chain
Drive chain slack – check/adjust Day
Drive chain – wear check500 mi (800 km)
Drive chain – lubricate200 mi (300 km)
Drive chain rubbing strips – checkYear
All lights, instruments and electrical systems – check/adjustDay
[T] Instruments, chassis ECM (if equipped) and engine ECM – check for latest calibration (if you have the tools)Year
Fasteners – inspect visually for securityDay
Bank angle indicators – check for wearDay
Side stand/center stand (if fitted) – lubricate/check operationDay
Side stand pivot pin – clean/grease
[T] Carry out all outstanding Service Bulletin and warranty work (Triumph mechanics only)Year
Carry out road testYear
[T] Complete the service record book and reset the service indicatorYear
Triumph Bonneville T100 (2016-2020) Maintenance Schedule

General information about the Triumph Bonneville T100

In 2017, Triumph updated their Bonneville T100 line, updating the 865cc air/oil-cooled engine to the new water-cooled “high torque” 900cc engine.

The Triumph Bonneville line is a long-standing brand within Triumph’s range. It’s the “relaxed standard” motorcycle made by Triumph. Calling it a “naked bike” would be a disservice, because the Bonneville wouldn’t dream of having fairings, so comparing it to street-tuned sportbikes — even vintage-styled ones like the Yamaha XSR900 — would not work. They’re for different markets.

The Bonnie T100 is quite different to the Street Twin with which it shares an engine block. Here are the key differences:

SpecTriumph Street Twin (2019-2018)Triumph Bonneville T100 (2017-2020)
Compression ratio11.0:110.55:1
Peak power48 kW (65) hp @ 7,500 rpm (2019-2020)40.5kW (55bhp) @ 5900rpm
Peak torque80 Nm @ 3,800 rpm80 Nm @ 3,200 rpm
Riding positionComfortable/sportyComfortable
Dry Weight198kg213kg
BrakingSingle 310mm disc, Nissin 2-piston floating caliperSingle 310mm disc, Nissin 2-piston floating caliper
Ride gearSingle dial (no tacho)Twin dial (inc. tachometer)
Comparing specs of the Street Twin and Bonneville T100

The Bonneville T100 is closer to the T120 (with the larger engine) than the street twin. It’s a relaxed motorcycle, but lighter than its bigger sibling. Having a smaller engine doesn’t make it a weaker feeling motorcycle — it’s a revvier engine and riding it can be a more engaging experience, depending on how and where you ride.

In 2019, Triumph upgraded the Street Twin’s engine, separating it from the Triumph Bonneville T100’s in terms of performance, and changing a couple of chassis parts.

In 2021, Triumph upgraded the Bonneville T100’s engine too, with some changes to the maintenance schedule. You can see the Bonneville T100 2021+ maintenance schedule here.

Manual for the Triumph Bonneville T100

Triumph Bonneville T100 Maintenance Schedule Screenshot From Manual

The above maintenance schedule comes directly from the user’s manual for the Triumph Bonneville T100 (2017-2020), which is available on the Triumph website.

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