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Triumph Bonneville T100 (2021+) Maintenance Schedule

2021 2022 Triumph Bonneville T100 black

This is the maintenance schedule with associated service intervals for the Triumph Bonneville T100 motorcycles made from 2021+ to conform to EURO 5 specification.

The Bonneville T100 (2021+)’s maintenance schedule is an evolution of the pre-2021 Bonneville T100. It shares the same basic block, but a number of parts were upgraded, not the least of which was the engine, which is now 10 PS (9 hp) more powerful.

The engine is still a 900cc liquid-cooled parallel-twin engine with a 270-degree crankshaft. After the power upgrade, performance is similar to its stablemate, the 2019-2020 Street Twin.

The new 2021+ Bonneville T100 also got Brembo front brakes, plus a higher-spec cartridge front fork.

2021 2022 Triumph Bonneville T100

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What you need to service the Triumph Bonneville T100 2021+

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

PartTriumph 900cc Bonneville T100 (2021+)
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 T2026565 (for the Brembo caliper). The part number for EBC brakes is  FA322/4HH.
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 (2021+)

Maintenance Schedule for Triumph Bonneville T100 (2021+)

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

Notes

  • * Carry out the initial 500 mi/800km at that period or after six months, 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.
km x 10001*16324864
mi x 1000Every0.6*10203040
Lubrication
Engine – check for leaks Day
Engine oil – replace (Castrol Power 1 Racing 4T 10W-40)Year
Engine oil filter – replace (HF204RC)Year
Fuel System and Engine Management
Fuel system – check for leaks, chafing etc. 
Air filter – renew (replace more often if consistently riding in wet or dusty conditions)
Fuel filter – renew
Spark plugs – renew (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 – renew (Zerex Asian Vehicle Coolant)3 years
Engine
Clutch – check operationDay
Clutch lever pivot – lubricateYear
Valve clearances – check
Camshaft timing
Wheels and Tires
Wheels – inspect for damageDay
Wheel bearings – check for wear/smooth operation
Wheels – check wheels for broken or damaged spokes and check spoke tightness (models with spoked wheels only)Day
Tire wear/tire damage – checkDay
Tire pressures – check/adjust Day
Steering and Suspension
Steering – check for free operationDay
Front and rear suspension – check for damage/ leaks/ smooth operationDay
Fork oil – renew
Headstock bearings – check/adjust
Brakes
Brake system – check operationDay
Brake pads – check wear levelsDay
Brake fluid levels – checkDay
Brake fluid – renew (Castrol DOT 4)2 years
Drive Chain
Drive chain slack – check/adjust Day
Drive chain – wear check500 miles (800 km)
Drive chain – lubricate (Motul chain paste)200 miles (300 km)
Drive chain rubbing strips – check for wear, cracks, or damageYear
Electrical
Lights, instruments and electrical systems – check/adjustDay
General
[T] Autoscan – Carry out a full Autoscan using the Triumph Diagnostic ToolYear
[T] Instruments, chassis ECM (if equipped) and engine ECM – check for latest calibration download using the Triumph diagnostic toolYear
Bank angle indicators – inspect visually for wearDay
Side stand/Center stand – check for wear/smooth operationDay
Carry out road testYear
[T] Carry out all outstanding Service Bulletin and warranty workYear
[T] Complete the service record book and reset the service indicatorYear
Triumph Bonneville T100 maintenance schedule

About the Triumph Bonneville T100

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.

In 2017, Triumph updated their Bonneville T100 line, updating the 865cc air/oil-cooled engine to the new water-cooled “high torque” 900cc engine. In 2021, Triumph updated the Bonneville again, this time making it Euro 5 complaint.

But at the same time, Triumph updated the Bonneville T100’s engine, giving it a power bump. Power is now up to 64 hp from the previous 55, matching the power bump that the Triumph Street Twin and Street Scrambler received in 2019.

The engine is a gem. It’s a liquid-cooled 900cc parallel twin with a 270-degree firing order. It has lots of torque down low and revs quite well past 6,000 rpm, making it fun to ride at all kinds of speeds (as long as they’re well below racing track speeds).

Since 2021, the Bonneville T100 has become much closer in spec to the Street Twin. The engine performs very similarly, and the chassis is lighter. However, the chassis is still a lot heavier (15 kg or 33 lb) than the one in the Street Twin — the price you pay for style (and comfort).

Other aspects of the Bonnie T100 have stayed the same. It still has a single front disc, a comfortable riding position, and twin gauges.

Manual for the Triumph Bonneville T100 (2021+)

2021 2022 Triumph Bonneville T100 maintenance schedule screenshot

The above maintenance schedule comes directly from the user’s manual for the Triumph Bonneville T100 (2021+), which is available on the Triumph website.

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