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7-5
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"
• Spark plug "4"
A. For USA and CDN
B. 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)
6. Inspect:
• Sealed portion of spark plug cap "a"
• Spark plug terminal pin "b"
• Threaded portion of spark plug "c"
7. Inspect:
• Installed condition of spark plug and spark
plug cap
Push in the spark plug cap, making sure that
it is securely fitted into the hole in the cylin-
der head cover.
CHECKING THE COUPLERS AND LEADS
CONNECTION
1. Check:
• Couplers and leads connection
Rust/dust/looseness/short-circuit → Repair
or replace.
CHECKING THE ENGINE STOP SWITCH
1. Inspect:
• Engine stop switch conduction
Not conductive while it is pushed → Replace.
Conductive while it is freed → Replace.
Set the tester selection position to "Ω × 1".
Minimum spark gap:
6.0 mm (0.24 in)
Tester (+) lead → Black lead "1"
Tester (-) lead → Black lead "2"
Result
Conductive (while the engine stop
switch is pushed)
BB