SHIM GAUGE - DRIVESHAFT
PART NO. 315767

For 1972-74 50 HP; 1972-77 65 and 70 HP; 1975-77 75 HP (long shaft); 1969-77 85 through 140 HP outboards

Upper Gear Housing - Stern drive

315767 Shim Gauge
Sets pinion height — 2.5 and 3.0 Litre.

Replaced by 393185.

Proper driveshaft pinion gear engagement with the forward and reverse gears is a must for long gear life. This gauge allows you to accurately determine the correct number of driveshaft shims required and should be used whenever a driveshaft, driveshaft bearing or gearcase is replaced.

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