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.
Key Features:
- Liquid-cooled 900cc parallel-twin engine
- Ride-by-wire throttle with riding modes
- ABS and traction control
- Retro styling with modern conveniences
Why Riders Love the Street Twin
- Classic looks with modern performance
- Accessible power and easy handling
- Comfortable upright riding position
- High-quality fit and finish
- Extensive customization options
- Triumph brand heritage
Technical Specifications
| Specification | First Generation (2016-2020) | Second Generation (2021+) |
|---|
| Engine | 900cc liquid-cooled parallel-twin | 900cc liquid-cooled parallel-twin |
| Power | 54 hp @ 5,900 rpm | 64 hp @ 7,500 rpm |
| Torque | 59 lb-ft @ 3,230 rpm | 59 lb-ft @ 3,800 rpm |
| Transmission | 5-speed | 5-speed |
| Front Suspension | 41mm KYB forks, 120mm travel | 41mm cartridge forks, 120mm travel |
| Rear Suspension | Twin KYB shocks, 120mm travel | Twin RSUs with preload adjustment, 120mm travel |
| Front Brake | Single 310mm disc, Nissin 2-piston caliper | Single 310mm disc, Brembo 4-piston caliper |
| Rear Brake | Single 255mm disc, Nissin 2-piston caliper | Single 255mm disc, Nissin 2-piston caliper |
| Seat Height | 750mm | 765mm |
| Wet Weight | 198 kg | 216 kg |
| Fuel Capacity | 12 L | 12 L |
Key Differences:
- Increased power output in the second generation
- Improved brakes with Brembo front caliper
- Slightly taller seat height
- Increased wet weight
Fluid Specifications
| Fluid | Type | Capacity |
|---|
| Engine Oil | 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.
Tips for Prolonging the Life of Your Street Twin
- Follow the recommended maintenance schedule
- Use high-quality fluids and parts
- 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.
- Triumph Street Twin Maintenance Schedule: Covers the maintenance schedule for the Triumph Street Twin, detailing necessary service intervals and procedures.
- 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.
- British Customs – Triumph Street Twin Accessories & Parts: Offers a range of accessories and parts specifically for the Triumph Street Twin, including maintenance-related items.
- Car and Bike – Triumph Street Twin Review: Comprehensive review of the Triumph Street Twin, discussing its features, performance, and overall ride experience.
Additional References
- ADVrider – Triumph Street Twin Overview: Overview of the Triumph Street Twin, discussing its design philosophy, features, and ride experience.
- Flies on the Visor – Triumph Street Twin Challenge: Reports on a user challenge with the Triumph Street Twin, providing insights into its performance and reliability.
- Triumph Motorcycles – Street Twin Manual: The official owner’s manual for the Triumph Street Twin, including maintenance procedures and service intervals.
- Triumph Motorcycles – Bonneville Speed Twin 900: Information on the Bonneville Speed Twin 900, which is closely related to the Street Twin, detailing features and specifications.
- Triumph Motorcycles – Service Manual: Provides detailed service information and procedures for Triumph motorcycles, including the Street Twin.
- YouTube – Triumph Street Twin Review: Video review of the Triumph Street Twin, showcasing its features and providing a ride experience evaluation.
- RevZilla – 2016 Triumph Street Twin Review: A detailed review of the 2016 Triumph Street Twin, discussing its introduction, features, and overall performance.