Makita EB7650TH Technical Information page 22

Disassembly
(1) Disconnect the secondary cable from Spark plug and then remove Spark plug.
(2) Check that the electrode gap is between 0.7 and 0.8 mm and that the electrodes and insulator are not contaminated or damaged. (Fig. 47)
Fig. 47
Gap between the electrodes
0.7 to 0.8 mm
(3) For replacement and adjustment of Ignition coil, refer to "[3]-2. Blower Section (Band Completes L and R, Frame and Fan)" (page
4) and then disassemble the blower section. Repair will be easier if you refer to "[3]-4. Engine Section (Rocker Arm, Valve Portion,
and Camgear Portion)" (page 13) and then separate the engine section from the blower section.
(4) Remove Engine cover and Fuel tank and then remove Ignition coil.
Assembly
(1) Align the positions of the magnet of Flywheel (a) and the iron core of Ignition coil and adjust the air gap with the 0.3 mm leaf of 1R366.
(Fig. 48)
Fig. 48
While pushing towards (a),
tighten two M4x20 Hex
socket head bolts.
(2) Bend the lead wires of Stop switch and earth terminal (b) towards the right and then secure them together to Ignition coil. (Fig. 49)
Fig. 49
Fix in this space.
Make sure they will not rise up.
(b)
0.3 mm
Disconnect the flag terminal and test the continuity.
Corrugated tube
Makita Corporation
1R402
P 22/ 35