Skip to content

Triumph Trident 660

Maintenance specs for 1 variant of the Triumph Trident 660 — from 2021 to 2026.

20212026 Triumph Trident 660

660cc Liquid-Cooled Inline Triple DOHC 12-Valve (T660) · Chain

81 hp / 47 lb-ft

Engine Oil

Weight10W/40
Capacity3 qt

Coolant

TypeTriumph HD4X Hybrid OAT Coolant (pre-mixed)
Shop coolant

Brake Fluid

TypeDOT 4
Shop DOT 4

Fuel

Tank3.7 gal
TypeRegular 87

Tires

Front120/70-17
Rear180/55-17
Pressure (front)36 PSI
Pressure (rear)42 PSI

Battery

CCA8 A

Service Intervals

Oil change10,000 mi
Spark plugs20,000 mi
Timingchain (no scheduled replacement)
Air filter20,000 mi