Triumph Trident 660 (2026) — Specs
Identity
Manufacturer: Triumph
Model: Trident 660
Category: Motorcycle
Type: Motorcycle
Years: 2026 →
Engine
Displacement (cc): 660
Cylinders: 3
Power (hp): 95
Power (kW): 70
Torque (Nm): 64
Dimensions

Overall length: 2020 mm
Overall width: 795 mm
Overall height: 1089 mm
Wheelbase: 1401 mm
Ground clearance: 144 mm
Weight (kg): 195
Seat height (mm): 810
Tank (L): 14
Tires
Front tire: 120/70 ZR17
Rear tire: 180/55 ZR17
Front pressure (bar): 2.34
Rear pressure (bar): 2.9
Drivetrain
Drive chain: 520 chain
Ignition
Spark plug: NGK CR9EK
Fluids & Filters
Engine oil: SAE10W-40, API SN
Oil filter: Hiflofiltro HF192
Air filter: OEM air filter
Brake fluid: DOT 4
Fuel consumption
Manufacturer / WMTC: 4.7 L/100 km
Real-world range: ~297 km on a full tank (14.0 L)
Note: real-world ±15-30% depending on riding style
Service
Battery: OEM battery specification
Service interval (km): 10000
Service interval (months): 12
Valve check (km): 24000
Parts and consumables for this motorcycle
Data is gathered with care, but without guarantee. Always confirm critical information with your dealer or workshop.
Service notes
Service interval: every 10,000 km or 12 months, whichever comes first. Valve clearance check every 24,000 km. Engine oil: oil grade SAE10W-40, API SN. Spark plug: NGK CR9EK. Brake fluid: DOT 4. Chain: chain drive. Tire pressure: front 2.34 bar, rear 2.9 bar (cold). Tire size: front 120/70 ZR17, rear 180/55 ZR17. Always confirm critical values with the workshop manual or an authorised dealer.
OEM and quality aftermarket parts that fit this bike. Always confirm with your dealer before ordering.
Engine oil
Spec: SAE 10W-40, 3.5 L (with filter)
- OEM OEM recommended engine oil (SAE 10W-40)
- Premium Motul 7100 4T (100% Synthetic, Ester)
- Premium Motul 5100 4T Technosynthese (Semi-Synthetic)
Which Motul for this bike?
| Motul 7100 4T ✓ | Motul 5100 4T | |
|---|---|---|
| Product | Motul 7100 4T — 100% fully synthetic | Motul 5100 4T — semi-synthetic |
| Best for | Sport, Naked, Adventure (600cc+), track | Standard, Cruiser, Scooter, daily use |
| RPM protection | Excellent — ester base, stable under load | Good — for normal riding conditions |
- Standard Repsol Moto Racing 4T (Synthetic)
- Standard Elf Moto 4 Tech (Semi-Synthetic)
Fully Synthetic vs Semi-Synthetic
| Fully Synthetic | Semi-Synthetic | |
|---|---|---|
| Base oil | 100% chemical synthesis (ester or PAO) | Mineral oil + synthetic additives |
| Heat resistance | Excellent — stable at extreme heat & RPM | Good — suitable for normal temperatures |
| Cold start | Better — reaches engine faster when cold | Good — adequate for normal climates |
| Change interval | Longer (up to 10,000 km) | Shorter (5,000–7,000 km typical) |
| Price | Higher | Lower |
Oil filter
Spec: Hiflofiltro HF192
- Premium Hiflofiltro HF192
- Premium K&N KN-192
Air filter
Spark plug
Spec: NGK LMAR9AI-9, gap 0.7-0.8 mm
- OEM NGK LMAR9AI-9
- Premium NGK LMAR9AI-9
- Standard NGK LMAR9AI-9
Front brake pads
Spec: EBC FA226HH
- Premium EBC FA226HH
Rear brake pads
Spec: EBC FA226HH
- Premium EBC FA226HH
Drive chain
Spec: chain drive
Front tire
Spec: 120/70 ZR17, 2.34 bar
- OEM OEM front: 120/70 ZR17
Rear tire
Spec: 180/55 ZR17, 2.9 bar
- OEM OEM rear: 180/55 ZR17
Battery
- OEM OEM battery: Yuasa YTZ10S
- Premium Yuasa YTZ10S
Brake fluid
Spec: DOT 4
- Standard TotalEnergies HBF4
Coolant
Service interval
Spec: 10 000 km / 12 months
- OEM Engine oil + oil filter change
- OEM Air filter inspection
- OEM Spark plug check
- OEM Brake fluid replacement: every 2 years
Valve check
Spec: 24 000 km
Suspension
Spec: 41 mm USD fork
- OEM Fork: 41 mm USD fork
