G643(E) Service Manual Chapter 4. Engine Electrical System 110
Chapter 4. ENGINE ELECTRICAL SYSTEM
Specifications
Ignition Timing
The correct timing is when the flywheel housing
pointer is in alignment with the correct mark on the
flywheel or when the single digit mark on the
flywheel is in alignment with the correct timing mark
on the timing plate.
Ignition Sequence (Firing Order)
Engine firing order..................................1-6-5-4-3-2
Ignition Coil
Rating.........................................................12 Volts
Resistance between B+ and ground (coil mounting
bracket)....................................................... in finite
Resistance between B+ and C-................. 0.4 ohms
Resistance between B+ coil high voltage tower.......
............................................................. 8,000 ohms
Spark Plug
Spark plug gap (gasoline & LP) ..... 0.8 mm (.035 in)
Torque for spark.............................30 N· m (22 lb· ft)
Spark plug wire Resistance
0-15 inch .................................. 3,000-10,000 ohms
15-25 inch ................................ 4,000-15,000 ohms
25-35 inch ................................ 6,000-20,000 ohms
To Next Page
Loading...
