Kipor SINEMASTER IG1000 Operation Manual page 30

8.3 SPARK PLUG SERVICE
RECOMMENTED SPARK PLUG: UL5
To ensure proper engine operation, the spark plug must be properly gapped and free of deposits.
1. Remove the spark plug maintenance cover.
2. Remove the spark plug cap.
3. Clean any dirt from around the spark plug base.
4. Use the wrench to remove the spark plug.
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