11Mounting of handleFor RBC420- Fasten the handle to the drive shaft with four bolts M5 x 25 (1).- Fit the control capable (together with the earth cord) to the handle with a clip.For RBC420E- Temporarily assemble four M5 x 25 socket head bolts (4) on the handle joint (3) sothat the handle (2) with a control lever will come to your right hand side.- Adjust the handle to an easy-to-handle position and tighten the socket head bolts(4) with even pressure applied on all of them.For RBC421- Match the protrusions on the handle joint (5) to the holes in the underside of thehandle (6). Tighten the four socket head bolts M5 (7) evenly to secure the handle.Assembly of throttle wire and ignition wire- Remove the air cleaner cover from the carburetor.- Insert throttle wire (1) through adjusting screw (2) and fit the nipple of the throttlewire into swivel (3) of the carburetor.- Adjust the adjusting screw to take up free play of the throttle wire ensuring thethrottle is fully opened when the throttle lever is in high speed position and2 – 3 mm (0.079” – 0.118”) free play when in low speed position.- Connect the female and male bullet connectors (4) from the throttle assembly tothe male and female bullet connectors coming from engine.- Install the air cleaner cover.Gear caseGear case