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1. Exhaust baffle
5. Disconnect the wire from the spark plug (Figure 30).
1. Spark-plug wire
6. Clean around the spark plug.
7. Remove the spark plug from the cylinder head.
Important: Replace a cracked, fouled, or
dirty spark plug. Do not clean the electrodes
because grit entering the cylinder can damage
the engine.
Figure 29
Figure 30
8. Set the gap on the plug to 0.030 inch (0.76 mm)
(Figure 31).
1. Center electrode insulator
2. Side electrode
9. Install the spark plug and tighten the plug securely.
10. Connect the wire to the spark plug.
11. Tip the snowthrower forward onto its front to make
installing the exhaust baffle easier (Figure 32).
12. From the rear left position, insert the exhaust baffle
up into the shroud.
Note: Ensure that the upper lip of the exhaust
baffle fits into the tabs on the inside of the shroud
(Figure 33).
14
Figure 31
3. Air gap (not to scale)
Figure 32
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