H0903F90C, H0906A90C, H0906F90C, H0906X90C, H0908F90C, H0908G90C, H0908X90C C 1990 SPECIAL TOOLS - TUNE-UP Parts on group SPECIAL TOOLS - TUNE-UP: Pos. Part No Qty Parts name Comments  . FT8978 [0] TIMING LIGHT FOR ADJUSTING IGNITION TIMING.  . FT8948-1 [0] PULLER TO REMOVE FLYWHEEL. Parts catalog : SPECIAL TOOLS - TEST EQUIPMENT SPECIAL TOOLS - POWER HEAD SPECIAL TOOLS - LUBRICANTS AND SEALANTS SPECIAL TOOLS - GEAR HOUSING REMOTE CONTROL POWER TRIM UNIT STARTER SUPPORT PLATE SWIVEL BRACKET AND STERN BRACKETS MODELS WITH POWER TRIM SWIVEL BRACKET AND STERN BRACKETS MODELS WITHOUT POWER TRIM