Serial 0B721206 Thru 0D805068 - EFI

Mercruiser Valve Guide Reamer 91-888866

Used On: 225 EFI (4-STROKE)

Mercruiser Valve Guide Removal Tool 91-809495001

Used On: 30 EFI (3 cyl.)(4-Stroke)
40 EFI (3 cyl.)(4-Stroke)
40 EFI (4 cyl.)(4-Stroke)
40 EFI (4 cyl.)(4-Stroke)(Jet)
50 EFI (4 cyl.)(4-Stroke)
60 EFI (4 cyl.)(4-Stroke)

Supersedes: 91-809495A1

Portable Timing Light 91-99379

Checks the ignition timing, powered by two D cell batteries.

Scan Tool Harness Adaptor 84-822560T12

Supersedes: 84-822560A12

For PCM 555 Models to adapt the 4-pin Mercury MerCruiser connector to the 2-pin 84-822560A5 Outboard Harness.

Supercedes: 84-822560A12

Timing Tool 91-805747A2

Connects to the DLC on MEFI-1, MEFI-2 and MEFI-3 ECM models. Locks ECM in timing mode to set initial engine timing.

Supersedes: 91-747508

Supercedes: 91-805747A1