INSPECTION OF SPARK PLUG0.6~0.7mmBR7HS/BPR7HS1. DISCONNECT THE H.T. COIL FROM THE SPARK PLUG CAP AND TWISTCOUNTERCLOCKWISE, THE SPARK PLUG WILL COME OUT.2. WHEN RE-ASSEMBLING, MAKE SURE THAT SPARK PLUG WILL BE SECURELYGUIDED INTO THE THREADED HOLE.3. STANDARD SPARK PLUG:(NGK BP7HS/ BPR7HS)4. THE SPARK PLUG MUST BE PERIODICALLY REMOVED AND CLEANED UP, INORDER TO KEEP PROPER IGNITION CONDITION.5. BEFORE INSTALLING THE SPARK PLUG, MEASURE THE ELECTRODE GAP WITHA GAUGE AND ADJUST THE GAP TO THE PROPER SPAACE OF 0.6~0.7mm.6. WHEN INSTALLING THE SPARK PLUG, CLEAN THE WASHER SURFACE , THENTIGHTEN THE PLUG WITH A TORQUE OF 20N-M (2.0 KGF-M)32PRE-OPERATION CHECK