Accossato clutch lever ESK025 with black blade and black hub for Kawasaki Ninja 400 (2018-2019)⟲ 360° — drag me
02 · Data & docs

The facts.

Technical data
BrandAccossato
TypeFixed CNC clutch lever for the original mounting
Part numberESK025
FunctionClutch lever, left hand
MaterialCNC-machined aluminium, anodised, black hub
Blade coloursBlack, blue, red, orange, gold, silver, green
LengthsShort, standard (approx. 138 mm), long
Reach adjustmentAdjustable distance to the grip
FitmentKawasaki Ninja 400 (2018–2019)
Road approvalNone documented, track use only
DescriptionThe whole story▼

In small-capacity racing, places are won and lost in the first seconds after the lights go out. The Ninja 400 has become a common machine on such grids, and on a light twin the start is almost entirely a matter for the left hand: hold the revs, feed the clutch out without bogging down or lifting the front, and be into second gear before the first braking point. Accossato's ESK025 is made for that left hand on the Ninja 400 of 2018 and 2019: CNC-machined aluminium, adjustable in reach, and available with a short, standard or long blade.

Key Features

  • Clutch lever for the Ninja 400, listed 2018 to 2019
  • Adjustable distance to the grip
  • Short blade for two-finger use in five colours
  • Standard blade about 138 mm; long blade in blue, gold, green and orange
  • Fits the original clutch mounting
  • CNC-machined aluminium, anodised, black hub
  • One-piece blade with no hinge
  • Delivered in an Accossato box

Construction and Material Quality

Accossato was founded in 1969 in Moncalieri near Turin as a builder of competition motorcycles, a background that suits a part used at the start line. The ESK025 is milled from aluminium on CNC machines and anodised, with a black hub carrying the pivot and reach adjuster and a blade in one of seven colours. The anodised layer grows out of the aluminium rather than sitting on top of it, so it resists chipping. The blade is fixed and rigid, without a folding joint, which keeps the friction point in the same place start after start.

Getting Off the Line

A good start is a controlled slip. The engine is held at a steady speed while the clutch is released through its friction zone quickly enough to get the bike moving and slowly enough not to stall it or lift the front wheel. On a small twin the margin is narrow: too little slip and the revs collapse, too much and time is wasted. When you practise starts at a track day, the lever position matters. With the ESK025 adjusted so that the friction point sits where the fingers are strongest, the release can be controlled in small, deliberate steps. Riders who start with two fingers on the lever and the rest on the grip usually prefer the short blade; those who pull the clutch with the whole hand may find the standard blade easier. Kawasaki fitted the Ninja 400 with an assist and slipper clutch, which already keeps the effort light, so choosing the long blade is more a matter of hand size than of force.

Fitment and Compatibility

The ESK025 is listed by Accossato for the Ninja 400 in 2018 and 2019 and fits at the original clutch mounting. The EDF025 brake lever covers the same two years for the right hand, so a matched pair is possible for the Ninja 400.

Road Approval

For the ESK025 there is no German ABE on record, so we offer it as a track component.

Scope of Delivery

Supplied: one ESK025 clutch lever in an Accossato box, in the length and colour you specify.

Specifications

  • Part number: ESK025
  • Type: fixed clutch lever for the original mounting
  • Material: CNC-machined aluminium, anodised
  • Hub: black
  • Blade colours: black, blue, red, orange, gold, silver, green
  • Lengths: standard (approx. 138 mm) in every colour; short in blue, orange, gold, silver, green; long in blue, orange, gold, green
  • Reach: adjustable distance to the grip
  • Road approval: none documented, track use only
  • Fitment: Kawasaki Ninja 400, 2018 to 2019
What's includedEverything in the box▼
  • 1x Accossato CNC clutch lever in its own box
FitmentWhich bikes this fits▼
  • Kawasaki Ninja 400 (2018–2019)
  • Kawasaki NINJA 125 (2019)
  • Kawasaki VERSYS-X 300 (2017–2020)
  • Kawasaki Z125 (2019–2020)
  • Kawasaki Z250SL (2015–2017)
  • Kawasaki Z300 (2015–2018)
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08 · Paddock

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