Clean the spark plug
Recommended spark plug models: NGK: BPR7ES. Champion RN7YC.
1 Remove the spark plug cap.
2 Clean the spark plug base.
3 Remove the spark plug with the spark plug socket spanner.
4 Inspect the spark plug insulator visually for damage. If it is damaged, replace a new one.
5 Measure the spark plug clearance with a feeler gauge. The clearance should be kept between
0.70 and 0.80mm.
6 Inspect if the washer of the spark plug is in good condition.
7 Reinstall the spark plug and tighten it with the spark plug socket spanner. Press down the
washer of the spark plug and place the spark plug cap.
Valve clearance (should be conducted by a professional person)
Remove the cylinder cover and measure the valve clearance with the feeler gauge. The clearances
are 0.1mm for the inlet valve and 0.15mm for the outlet valve.
Spark plug socket spanner
Spark plug cap
Feeler gauge
38
Summary of Contents for GDA Series
Page 42: ...14 ELECTRICAL SCHEMATIC DIAGRAM 1 RECOIL START MONOPHASE 41...
Page 43: ...ELECTRICAL SCHEMATIC DIAGRAM 2 ELECTRIC START MONOPHASE 43...
Page 44: ...ELECTRICAL SCHEMATIC DIAGRAM 3 ELECTRIC START MONOPHASE 44...
Page 45: ...ELECTRICAL SCHEMATIC DIAGRAM 4 RECOIL START MONOPHASE 45...
Page 46: ...ELECTRICAL SCHEMATIC DIAGRAM 5 ELECTRIC START THREE PHASE 46...
Page 47: ...ELECTRICAL SCHEMATIC DIAGRAM 6 RECOIL START THREE PHASE 47...