British Seagull Outboard Forty Featherweight Reduction Gear Housings

The British Seagull® Forty Featherweight aluminium 10:21 Reduction Gear Housing complete with the propeller shaft bush houses the gear box parts to transfer rotational energy to the propeller.

Which British Seagull Outboards is this suitable for?

• 40/1374 - This British Seagull reduction gearing housing is for Forty Featherweight engines fitted with the non-sealed gearbox including SJM, F, GF, EF, SEF & AF engines only and requires British Seagull Outboard SAE140 Gear Oil.
• S40/1374 - This British Seagull reduction gearing housing is for Forty Featherweight engines fitted with the sealed gearbox including FS, GFS, EFS, TSEF and EGF engines only and requires British Seagull Outboard EP90 Gear Oil.