Suzuki RA410 Manual page 449

6F1-6 IGNITION SYSTEM
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IGNITION SPARK TEST
1) Remove air cleaner assembly (1) and resonator box (2).
2) Remove cylinder head upper cover.
3) Disconnect all injector couplers (1) from injectors (2).
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4) Disconnect all high-tension cords from spark plugs.
NOTE:
Always grip high-tension cord cap when disconnecting
high-tension cords.
5) Remove spark plugs and connect them to high-tension cords,
and then ground spark plugs.
6) Crank engine and check if each spark plug sparks.
7) If no spark is emitted, inspect high-tension cords, spark plugs,
ignition coil, distributor, igniter and other related parts.
ON-VEHICLE SERVICE
HIGH-TENSION CORDS
REMOVAL
1) Remove air cleaner assembly and resonator box.
2) Remove cylinder head upper cover.
3) Remove high-tension cord at ignition coil while gripping its cap.
4) Remove distributor cap installed with high-tension cords.
5) Remove high-tension cord clamp from cylinder head cover.
6) Pull out high-tension cords (1) from spark plugs while gripping
each cap (2).
WARNING:
Without disconnection of injector coupler, combus-
tible gas may come out from spark plug holes during
this test and may get ignited in engine room.
CAUTION:
Removal of high-tension cords together with
clamps will be recommended so as not to damage
their inside wire (resistive conductor).
For the same reason, pull out each connection by
gripping cap portion.