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 Clutches for Four-stroke ngines

Vortex - The only new clutch idea in 25 years!
Vortex clutches have a unique spring that is twisted to store energy reminiscent of a whirlpool or vortex. 

 

Vortex clutch springs are adjusted quickly, easily and precisely without dial calipers.

 
 

Vortex springs are connected to the levers, not the pressure plate.  Forces exchanged between lever and spring during engagement are no longer attenuated by the presence of a pressure plate.  The clutch responds much more quickly to the needs of the engine.  There is no  "bogging".  The engine spools up faster.  The kart accelerates sooner.

Vortex clutches are modern

  • Vortex clutch patents were issued in 2001 and 2003.  Every other disc clutch in kart racing uses a design from the last millennium - 1978!

Vortex clutches are unique

  • Exhibit hard "pull" instead of hard "hit"
  • The only disc clutch with springs attached directly to the levers
  • The only disc clutch without a pressure plate
  • Rebuilds are inexpensive and simple
  • Rebuilds are accomplished in approximately five minutes!

Vortex clutches are faster

  • Engine bogging or "drop off" is nearly eliminated.
  • Less energy lost to clutch heating leaving more energy for acceleration
  • Very smooth engagement, particularly in turns, permits smooth steering response and saves valuable lap time.

Race Proven.  SMC Vortex clutches have been used to win every major dirt, sprint and endurance race in the USA.  Even for heavy karts with road racing gear ratio and standing starts, it is fast, durable and consistent.  Credit goes to the Vortex spring's simplicity, the efficient heat dissipation of an aluminum cover and superior friction materials.

Vortex Clutch Engine Applications

  • Briggs & Stratton - Animal

  • Briggs & Stratton - Flat Head

  • Honda - GX160

  • Honda - GX200
 
Part No.

Description

  Price
4101

VORTEX One Disc engine clutch

 225.00
4102

VORTEX Two Disc engine clutch

 250.00

 

Vortex One Disc - Instructions & Parts List

Vortex Two Disc - Instructions & Parts List

One disc, two discs or three?

 

Structure Mechanics Corporation      513- 598-1600