Mercury Racing 500R - Gearcase Identification

Gearcase Identification
Diameter
or Type
Identification
Features
Illustration
150 mm
(5.9 in.)
R‑Drive
Interchangeable nose
cap—up to 14 water
pickup holes can be
added
Four low water
pickups
1.6 ratio gearset
Skeg optimized for
partial surfacing
applications
74672
150 mm
(5.9 in.)
R‑Drive
Sport
Interchangeable nose
cap— comes with
a tapered surface
piercing nose cap as
stock
Four low water
pickups
1.60 ratio gearset
Skeg optimized
for fully surfacing
applications
76873
GENERAL INFORMATION
eng 23 