THE POWER TO MOVE YOU

Motorcycle News (UK) - - Road Test -

The new 765cc Street Triple mo­tor is based on the last 675 Day­tona mo­tor. To cre­ate the 765, Tri­umph sim­ply took the Day­tona mo­tor’s bore and stroke as far as the ex­ist­ing en­gine de­sign would al­low – to keep the en­gine com­pact, and to avoid the ex­pense of re­design­ing it from the ground up. As a re­sult, the 765’s wider bores make room for larger valves – but revs are kept sen­si­ble with a 12,650rpm rev limit. Peak power is a claimed 121bhp at 11,700rpm and peak torque 57ftlb at 10,800rpm.

In fact, we mea­sured the Street Triple at 125.8bhp at 11,750rpm and 59ftlb at 9500rpm. It’s un­usual to find an en­gine makes more power on a dyno than a man­u­fac­turer claims, so it’ll be in­ter­est­ing to see if other Street Triple RSS are the same. The lower spec R and S models have mod­i­fied cam tim­ing and fu­elling and make a claimed 116 and 111bhp re­spec­tively.

The 1050cc Speed Triple mo­tor has been around since 2005 and is one of the smoothest on the mar­ket. It’s claimed to de­liver 138bhp at 9500rpm and 82ftlb at 7850rpm, but we mea­sured it at 126.9bhp at 9250rpm and 77.7ftlb at 8000rpm, on the same day, same hour and on the same dyno as the Street Triple. Which means th­ese bikes have just 1.1bhp be­tween them. The big­ger en­gine makes a lot more torque, but with the ex­tra revs there’s noth­ing in it at the top-end. Which puts the 765cc Street Triple and 1050cc Speed Triple on a very sim­i­lar foot­ing from a per­for­mance point of view.

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