H0559B81N, H0559H80N, H0559H81N 1980,1981 SPECIAL TOOLS - TUNE-UP Parts on group SPECIAL TOOLS - TUNE-UP: Pos. Part No Qty Parts name Comments  . FTA2937-1 [0] TIMING TOOL TO LOCATE TIMING DECAL.  . FT2951 [0] CIRCUIT TRACER TO TROUBLESHOOT ELECTRICAL SYSTEM.  . FT8978 [0] POWER TIMING LIGHT TO TIME ENGINE. Parts catalog : SPECIAL TOOLS - TEST EQUIPMENT SPECIAL TOOLS - POWER HEAD SPECIAL TOOLS - LUBRICANTS AND SEALANTS SPECIAL TOOLS - LOWER UNIT REMOTE CONTROL REED PLATE STARTER