Triumph Street Twin (2016-2023)

The 900cc, liquid cooled, parallel twin was designed specifically for this bike, delivering 59 ft/lbs of torque at 3,200 rpms and 55 horsepower at 6000 rpm. This engine bears the “Bonneville” badge and replaces the 2001-2015, 865cc Bonnevilles, while offering 18% more power than the outgoing models. Even with the extra power, the Street Twin is 36% more fuel efficient than its predecessor, which should allow for about a 200 mile range.

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Triumph Street Twin (2016-2023)

The 900cc, liquid cooled, parallel twin was designed specifically for this bike, delivering 59 ft/lbs of torque at 3,200 rpms and 55 horsepower at 6000 rpm. This engine bears the “Bonneville” badge and replaces the 2001-2015, 865cc Bonnevilles, while offering 18% more power than the outgoing models. Even with the extra power, the Street Twin is 36% more fuel efficient than its predecessor, which should allow for about a 200 mile range.

Street Twin Model Year Changes

Mechanical Upgrades
- 65 HP at 7,250 rpm provides the engine 18% more power.
- Redline at 7,500 rpm rather than 7,000 rpm for higher rev-range
- Peak Torque at 3,800 rpm, which is 600 rpm later than the previous version.
- Lighter crankshaft
- Lighter balancer shaft
- Lighter clutch

Comfort
- Seat foam was increased by ½ inch (10mm) providing a softer ride.
- Seat height was increased, making it 30 inches(760mm).
- Textured seat material to reduce slipping.

Suspension and Brakes
- Wider KYB cartridge front forks for a more comfortable ride.
- Brembo four-piston front-brake calipers ensure greater stopping power.

Aesthetics
- Updated wheel design.
- Updated black clock housing.
- Redesigned side panel shape.
- Redesigned side panel logo.
- Brushed aluminum headlight brackets.
- Versatile Riding Modes Options
- Switchable road and rain riding mode options.
Less Weight
- Magnesium cam-cover

Emissions
- Euro 5 compliant for cleaner emissions and better fuel efficiency.

Aesthetics
- New Wheels.
- New Headlight Bracket.
- New Side Panels.
- New Throttle Body Covers.

New Name
- From model year 2023, the Street Twin is re-named the “Speed Twin 900”