TROUBLESHOOTING AND ELECTRICAL SYSTEM: 800 AND 810 GAS
Test Procedures
Page 11-22
2007-2008 XRT 800, 810 and 850 Maintenance and Service Manual
11
3. Turn the key switch to the START position and release after the engine starts. If the engine starts and
continues to idle, check the kill-wire for grounding, the kill limit switch, and the key switch.
See Test Pro-
cedure 18 – Engine Kill Wire on page 11-29.
See following WARNING.
ý
WARNING
• When the white/black engine kill wire is disconnected, the engine will not stop running after
the key switch is turned to the OFF position. It will be necessary to pull and hold the choke
handle until the engine stops running.
4. If the engine does not run, connect the white/black wire at the bullet connector next to the RPM limiter
and proceed to Test Procedure 14 – Ignition Spark on page 11-22.
TEST PROCEDURE 14 – IGNITION SPARK
See General Warning on page 1-1.
NOTE:
Keep the battery connected while performing this test procedure.
1. Turn the key switch OFF and remove the key. Place the Forward/Reverse handle in the NEUTRAL posi-
tion. Chock the wheels.
2. Remove the plug wire from the spark plug. Using an ignition spark gap test tool (Thexton 404
®
or equiv-
alent), check for correct spark
(Figure 11-21, Page 11-22)
.
2.1. Adjust the tester probes to approximately to 18,000 volts (18 Kv) setting (SE –
Small Engine Setting
on the Thexton 404 tool). Connect the tester to the spark plug wire, and connect the alligator clip
to a solid engine ground.
2.2. Start the engine. There should be a strong blue spark between the probes of the spark gap tester.
If there is no spark, or if the spark is a faint yellow or red color, test components of the ignition circuit.
3. If the spark gap tester tool indicates a strong blue spark, it is possible the spark plug has failed internally.
Check the spark plug gap. The gap should be set at 0.027 to 0.031 of an inch (0.69 to 0.79 mm). If the
gap is correct, replace the spark plug with a new part and test the engine for proper operation.
Figure 11-21 Ignition Spark Test
Figure 11-22 Disconnect White/Black Engine Kill Wire
IGNITION GAP
TEST TOOL
SPARK PLUG
WIRE
SPARK PLUG
FRAME
Disconnect
white/black
engine
kill wire.
RPM
LIMITER
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