Yamaha DT200L 1984-1988 Service Manual page 183

IGNITION SYSTEM
ELEC
Ignition Timing Check
Refer to "CHAPTER 2. Ignition Timing Check"
section.
Ignition Spark Gap Test
1. Warm up engine thoroughly so that all elec-
trical components are at operating
temperature.
2. Connect:
• Electro Tester (90890-03021)1
3. Check:
• Minimum spark gap
Start the engine, and in crease the
spark gap until misfire occurs (Test at
various revolution between 1,300 ~
8, 000 r/min.)
(2) Spark plug lead
(3) Spark plug
©
Do not run the engine in neutral above 6,000
r/min for more than 1 or 2 seconds.
(D
Minimum Spark Gap:
6 mm (0. 24 in)
Faulty ignition system operation (at the
minimum spark gap or smaller) -* Follow the
troubleshooting chart until the source of the pro-
blem is located.
Spark Plug Inspection
Refer to "CHAPTER 2. Spark Plug Inspection"
section.
7-9