2006-2009 Honda TRX250EX/TRX250X Service Manual, Page 42Get this manual
TECHNICAL FEATURE
SPORTCLUTCH SYSTEM
In the conventional automatic dutch system (centrifugal clutch plus change dutch), the change clutch is disengaged by operating the gearshift pedal (only when the transmission is shifted)In the new SportClutch system, the change clutch is disengaged only by operating the clutch lever on the left handlebarSportClutch allows the rider to choose to use the clutch lever, or not, when comi ng to complete stopIn either case the engine will nol stallThis system also allows the rider to rapidly launch or accelerate the TAX at higher rpm, such as fast starts, hill climbing or exiting cornersSportClutch allows beginner riders to progress to manual clutch operat ion, but still provides the no-stall feature of fully automatic clutch system