Motorcycle News (UK) - - This Week -

While we are all aware of slip­per clutches, a lot of smaller-ca­pac­ity machines now come with a slip-as­sist clutch. So what does it do? A slip-as­sist clutch’s main pur­pose in life is to re­duce the weight of the lever action. It achieves this through us­ing fewer springs to push the clutch plates to­gether – the fewer the springs the lighter the action re­quired to pull them apart and disen­gage the clutch. How­ever, with too lit­tle pres­sure the clutch would start to slip, so a sli­pas­sist clutch adds an­gled ramps. Dur­ing ac­cel­er­a­tion, these ramps force the clutch to­gether. Then, on de­cel­er­a­tion, the op­po­site hap­pens as the ramps cut the pres­sure on the clutch plates, al­low­ing them to slip and the clutch to re­spond like a slip­per clutch. A nor­mal slip­per clutch’s ramps only come into play on de­cel­er­a­tion, so it has more springs and a heav­ier lever action.

V-strom 300 X has a slip-as­sist clutch

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