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FastestThings

Motorcycles

Zero SR/S

Zero states a 200 km/h maximum for the SR/S. The sustained 177 km/h limit is a different figure and is not ranked.

Also known as SR/S

Top speed

Published as 200 km/hPublished as 200 km/hPublished as 200 km/h

Zero's SR/S specification lists a maximum top speed of 200 km/h and a sustained top speed of 177 km/h. The ranked figure is the maximum. The sustained figure is a different limit and is not stored.

ClaimedZero Motorcycles (opens source in a new tab)

In context

  • 1.9× a cheetah's timed top speedSourced · Cheetah, 29 m/s. Sharp 1997, mean of three timed runs over 201.2 m
  • A football field in 1.6 sConstant · American football field, 100 yd (91.44 m)
  • London to New York in 27 h 51 minConstant · London to New York, 5,570 km great-circle

Worked out from the sourced figure above, which stays the ranked number.

This list

Why it's so fast

A motorcycle is fast because the air only has to get around a rider and a fairing, not a cabin. The engine still has to stay in its power band, and many of the big numbers are factory limiters.

  1. A small hole in the air

    Less frontal area means less drag for a given speed. The rider's tuck is part of the shape. A sitting-up test is a different motorcycle.

  2. Limiters are common

    A published top speed on a modern sport bike is often an electronic cap the makers agreed to, not the speed the engine would reach with the cap removed.

The capped one people mean is the Suzuki Hayabusa.

This is how the category works. A note written for this entry appears here once it is in the database.

Provenance

Every measurement

Claimed, measured and official figures side by side, each with its source. The ranked figure is marked.

  1. 200km/h124mph55.6m/s108knRanked figure

    Zero's SR/S specification lists a maximum top speed of 200 km/h and a sustained top speed of 177 km/h. The ranked figure is the maximum. The sustained figure is a different limit and is not stored.

    Claimed

Reference

Specs

Model
SR/S
Maximum
200 km/h
Not ranked
Sustained 177 km/h

Spot a wrong number?

Every report is read by a person, and corrections are dated on the page.