1. Fully depress the accelerator pedal and check that the throttle is fully open.
2. If the throttle does not open fully, press the accelerator pedal all the way, loosen the adjusting nuts and adjust the cable so that the mark on the cable protrudes from the boot by 1 mm.
3. Tighten the cable sheath nuts and check that the throttle valve fully opens when the accelerator pedal is pressed all the way down.