Yamaha YZ85 Manuel D'atelier Du Proprietaire page 458

È
É
IGNITION SYSTEM
SPARK GAP TEST
1. Disconnect the spark plug cap from spark
plug.
2. Connect the dynamic spark tester 1 (igni-
tion checker 2) as shown.
Spark plug cap 3
G
Spark plug 4
G
È For USA and CDN
5PA60030
É Except for USA and CDN
3. Kick the kickstarter crank.
4. Check the ignition spark gap.
5. Start engine, and increase spark gap until
misfire occurs. (for USA and CDN only)
5PA60040
EC624000
COUPLERS AND LEADS CONNECTION
INSPECTION
1. Check:
Couplers and leads connection
G
Rust/dust/looseness/short-circuit → Repair
or replace.
ENGINE STOP SWITCH INSPECTION
1. Inspect:
Engine stop switch conduct
G
Tester (+) lead → Black/White lead 1
Tester (–) lead → Black lead 2
5PA60050
PUSH IN
No continuous while being pushed → Replace.
Continuous while being freed → Replace.
6 - 3
ELEC
Minimum spark gap:
6.0 mm (0.24 in)
B/W B
1 2
FREE
– +
Tester selec-
tor position
Ω × 1