Attached is HKS Service Bulletin
SB-0801, dated February 2008. Subject: Low compression caused by excessive
wear of exhaust valve guide. Engine affected: HKS700E from S/N 100440.
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Attached is HKS Service Bulletin
SB-0501, dated June 2005. This requires inspection of the rubber
carburetor insulator on engines from serial number 100751 and later.
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