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Triumph Bonneville T120 (2016+) Maintenance Schedule

2016-2020 Triumph Bonneville T120- Stock Image

This is the maintenance schedule with associated service intervals for the Triumph Bonneville T120 motorcycles made from 2016 onward using Triumph’s new 1200cc “High Torque” motor.

The T120 name has a long history — the original production run of T120 motorcycles was from 1959. But the 1200cc T120 is a far cry from that motorcycle of the past other than its retro aesthetic.

The new Triumph Bonneville T120 was also released in a few variants, the T120 Black (blacked out, cool design), T120 Ace (the limited edition Café version) and the T120 Diamond. Maintenance is the same for them, as the differences are largely cosmetic.

The maintenance schedule is also very similar to those for other motorcycles with similar engines in the Triumph Modern Classics, like the Speed Twin.

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Tools you may need to maintain your motorcycle

To maintain your motorcycle you need to make sure you have the best oil and other consumables, motorcycle-specific tools, and other tools for your workshop.

Below we’ve listed:

What you need to service a Triumph Bonneville T120

Triumph recommends many specific kinds of consumables for their motorcycles with the 1200cc engine.

Here’s a list of the things you need to service your Triumph Bonneville T120.

TriumphPart spec (Triumph Thruxton/R, Speed Twin, Scrambler 1200)
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.
Oil filterReplace the oil filter every time you change the oil. Use Triumph part number T1218001. You can also use Hiflofiltro’s HF204RC (better than K&N these days).
Brake fluidTriumph Thruxton/R motorcycles need DOT 4 brake fluid (they have 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 G05 is a HOAT coolant that meets this spec.
Front brake padsA popular upgrade is EBC brake pads for better bite, less fade, and longer life. The part codes are:

Triumph Thruxton R, TFC, Scrambler 1200: FA447HH
Triumph Bonneville T120, Thruxton base model: FA142HH
Triumph Speed Twin: FA604/4HH

See this image from the EBC brakes catalogue if you’re not sure.
EBC brakes Triumph 1200 motorcycles
Rear brake padsUse FA214/2HH (same for many Triumph motorcycles)
Spark plugsNGK code LMAR8A-9. Note they’re sold individually. Make sure they’re gapped to 0.9mm with an appropriate spark plug gap tool.
Air filterThe part number for the air filter is T2201122. You can also use K&N part TB-1216.
Cable maintenanceProtect All Cable Life is a good-quality cable maintenance product. You can also use engine oil (but it’s a bit messy)
Chain maintenanceA good kit to have on hand is the Motul chain care kit — including lubricant, cleaners, a brush, and so on.
Consumables for Triumph 1200 cc-engine motorcycles (Thruxton R, Speed Twin etc.)

Maintenance Schedule for the Triumph Bonneville T120

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

There are two kinds of service interval: every a) distance or b) time period. In each case, it’s the earlier of the two that’s most important.

Part of the below table includes checks you should do every day.

Operation DescriptionEvery500
(800)
1 month
Year10,000 and 30,000
(16,000 and 48,000)
20,000 (32,000)40,000
(64,000)
Lubrication
Engine – check for leaks Day
Engine oil – replace (Castrol Power 1 Racing 4T 10W-40)
Engine oil filter – replace (HF204RC)
Fuel System and Engine Management
Fuel system – check for leaks, chafing etc.
Throttle body plate (butterfly) – check/clean
(Triumph techs) Autoscan – Carry out a full Autoscan using the Triumph Diagnostic Tool
Air cleaner – replace (TB-1216)
Fuel filter – replace
Throttle bodies – balance – 1200 cc engines only
Fuel hoses – replace Every 4 years regardless of mileage
Evaporative loss hoses* – replaceEvery 4 years regardless of mileage
Ignition system
Spark plugs – check
Spark plugs – replace (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 – replaceEvery 3 years, regardless of mileage
Engine
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 tightness (models with spoked wheels only)Day
Wheel bearings – check for wear/smooth operation
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
Steering head bearings – lubricate
Brakes
Brake pads – check wear levelsDay
Brake master cylinders – check for fluid leaks
Brake calipers – check for fluid leaks and seized pistons
Brake fluid levels – checkDay
Brake fluid – replace (use DOT 4 only)Every 2 years regardless of mileage
Drive Chain
Drive chain slack – check/adjust Day
Drive chain – wear checkEvery 500 miles (800 km)
Drive chain – lubricate (Motul chain paste)Every 200 miles (300 km)
Drive chain rubbing strips – check
Electrical
All lights, instruments and electrical systems – check/adjustDay
General
(Triumph techs) Instruments, chassis ECM (if equipped) and engine ECM – check for latest calibration download using the Triumph diagnostic tool
Fasteners – inspect visually for securityDay
Bank angle indicators – check for wearDay
Side stand/Center stand – lubricate/check operationDay
Side stand pivot pin – clean/grease
(Triumph techs) Carry out all outstanding Service Bulletin and warranty work
Carry out road test
(Triumph techs) Complete the service record book and reset the service indicator (if equipped)

* Evaporative system fitted to models for certain markets only.

General information about the Triumph Bonneville T120

Inspired by the legendary 1959 Bonneville and styled to incorporate the original’s iconic features, the Bonneville T120 reaches a whole new level of detailing, quality and finish – including deep chrome multi-piece Triumph tank badges, grab rail, innovative twin-skinned chrome exhaust headers, and peashooter style silencers. Price from $11,850.00.

Fed by authentically styled twin-throttle bodies, the 1200cc high-torque Bonneville engine delivers a massive 77 ft lb of peak torque at a low 3,100rpm. With thrilling performance, supreme comfort, real-world practicality and dynamic yet easy-going handling – you’ll love to ride it all day, every day, alone or with a pillion.

Manual for the Triumph Bonneville T120

Triumph Bonneville T120 Maintenance Schedule Screenshot From Manual

The above maintenance schedule comes directly from the user’s manual for the Triumph Bonneville T120 , which is available on the Triumph website.

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