Comprehensive Maintenance Schedule for the Triumph Street Twin Motorcycle
Introduced in 2016, the Triumph Street Twin is part of Triumph’s revamped Bonneville lineup. Featuring a 900cc parallel-twin engine, it combines modern technology with classic styling, capturing the spirit of the original 1959 Bonneville while offering enhanced performance and reliability. In some markets, it’s known as the Speed Twin 900.
10W-40 or 10W-50 semi or fully synthetic motorcycle oil
3.8 L (dry fill), 3.4 L (oil change with filter)
Coolant
Triumph HD4X Hybrid OAT coolant
1.518 L
Brake Fluid
DOT 4
As needed
Fork Oil
Triumph Fork Oil 10W
340 ml per fork
Parts Requiring Regular Maintenance
Air filter: Every 10,000 miles / 16,000 km
Spark plugs: Every 20,000 miles / 32,000 km
Valve clearances: Check every 20,000 miles / 32,000 km
Drive chain: Check/adjust every 500 miles / 800 km
Brake pads: Inspect every 5,000 miles / 8,000 km
Tires: Inspect regularly, replace as needed
Battery: Check monthly
Maintenance Schedule
Interval
Tasks
Daily
Check tire pressure, lights, horn, brakes
600 miles / 1,000 km
Initial service – oil change, general inspection
Every 6,000 miles / 10,000 km or annually
Oil and filter change, general inspection, lubrication
Every 12,000 miles / 20,000 km
As above plus air filter replacement
Every 24,000 miles / 40,000 km
As above plus valve clearance check, spark plug replacement
Maintenance-Related Questions
How often should I change the oil on my Street Twin?
Change the oil and filter every 6,000 miles (10,000 km) or annually, whichever comes first.
Can I adjust the valve clearances myself?
While possible, valve adjustment is a complex task best left to a qualified mechanic unless you have experience and proper tools.
How often should I lubricate the drive chain?
Lubricate the chain every 200 miles (300 km) or more frequently in wet or dusty conditions.
What’s the recommended tire pressure for the Street Twin?
32 psi (2.2 bar) front, 36 psi (2.5 bar) rear for solo riding. Adjust for two-up riding.
How can I tell when my brake pads need replacing?
Inspect brake pads regularly. Replace when the friction material is less than 1.5mm thick.
Keep the bike clean and protected from the elements
Warm up the engine properly before riding
Store the bike correctly during long periods of non-use
Troubleshooting Guide
Issue
Possible Cause
Solution
Engine won’t start
Dead battery, fuel issue
Check battery charge, fuel level
Poor performance
Clogged air filter, fouled spark plugs
Replace air filter, check/replace spark plugs
Brakes feel spongy
Air in brake lines, worn pads
Bleed brakes, replace pads if needed
Suspension feels harsh
Incorrect preload, worn components
Adjust preload, inspect for wear
Electrical issues
Loose connections, blown fuse
Check connections, inspect fuses
Sources of this Blog Post
Primary References
Triumph Street Twin Maintenance Schedule (2021+): Provides the official maintenance schedule for the 2021 Triumph Street Twin, including intervals for fluid changes, parts inspection, and adjustments.
Web Bike World – 2022 Triumph Street Twin: Review and specifications for the 2022 model of the Triumph Street Twin, highlighting technical features and performance aspects.