Scooterotica

I just watch a clip on SSCTV ( Surrey Scooter Centre) and he mentioned, a shorter clutch arm for an easier operation. I've tried up a front brake arm and it will fit, so maybe it's better?

Here's a pic

A shorter clutch arm won't make it "easier" (in fact with the principle of levers it will actually make it heavier to pull in), but what it will do is give you a bit more more clutch movement for the same lever movement. This can help if you suffer from clutch drag.
I shortened mine by about 10mm and I couldn't notice notice any appreciable differance in how hard it was to pull in. If you have sundance grips they can limit the lever movement and this is when the "short clutch arm" mod comes in useful.