Triumph Street Triple 660 S
55 hp, 765 cc, 419 lbs2017 - 2018
Engine
Max power55 hp (@9 300 RPM)
Max torque39 lb ft (@5 200 RPM)
Displacement765 cc
LayoutDOHC Inline-3
Valves12
Redline12 650 RPM
Idling speed1 200 RPM
ManagementFuel Injection
Compression12.47:1
Bore x Stroke75.0 mm x 48.48 mm
Oil capacity3.29 quart
Spark plug typeNGK CR9EIA9
CoolingLiquid
Weight to power7.62 lbs/hp
Power to weight328 hp/2500lbs
Battery typeYTX-9BS
Brakes
Front brakesTwo discs
Front caliper2 pistons
Front brake diameter310 mm
Rear brakesDisc
Rear caliper1 piston
Rear brake diameter220 mm
Tires
Front tire120/70ZR17
Pressure33.94 PSI
Rear tire180/55ZR17
Pressure42.06 PSI