Check for wear, bending and ease of movement of the rods. Lubricate all moving parts with oil.
Disconnect connecting rod (arrow) on the return lever.
Move the throttle arm to the idle position and check that the connecting rod can be freely connected. Video clip (15) damper lever (13) must match the end groove. Otherwise, adjust the length of the connecting rod.
When installing a new connecting rod, its length must be adjusted to 96 cm between the centers of the connecting sockets.