Chapter 6. Electrical; Ignition System; Circuit Diagram; Troubleshooting - Yamaha BR250F Service Manual

ELECTRICAL
6-1. IGNITION SYSTEM
A. Circuit Diagram
B. Troubleshooting
No spark is produced or weak.
Check of connections
_____
~---.JI
Check lead wire connections for short circuits.
--1----------,
OK
F a u l t y . Correct.
SparkS
See 6-1, D
"Spark Gap
Test."
F= •
No spark S p a r k . Plug is faulty .
OK
. .
......................... Measure coil resistance.
(See 6-1, G "Pulser and Charge Coil.")
Fau Ity---------... Replace .
6-1