KONRAD 560 - 540 Stern Drive Description

The Konrad 540 is specically designed for high speed
applications, both diesel and gasoline. This versatile
stern drive is manufactured in two variations: Standard
and High Performance. The High Performance model
includes a lower hydrodynamic nose cone, and both
versions have a lightweight design to deliver superior
hole-shot and on-plane performance. The Konrad 540
allows mariners to apply greater power levels, while
still delivering performance and reliability.
The Konrad 540 stern drive is designed to
accommodate aluminum or stainless steel propellers
with three (3) to six (6) blades. Propellers are chosen
depending on the application and performance criteria.
The maximum diameter propeller size for the Konrad
540 stern drive is 16 in. (40.6 cm).
Commercial Performance
Maximum recommendation:
755 Nm (557 lb. ft.) of torque for diesel
or gas applications. Maximum operation:
500 hours per year for planing type
hulls of highly intermittent operation.
Gross weight to horsepower less than
12.2 kg/kw (20 lbs./hp). This clas-
sication includes light commercial
charter/sport activity craft, patrol and
intercept boats. Standard warranty.
High Performance
Maximum operation:
100 hours/year for racing applications at
highly intermittent operation. Gross weight
to horsepower less than 12.2 kg/kw (20
lbs./hp). No warranty.
540 Stern Drive Description
540 Classications
Recreational Performance
Maximum recommendation:
1000 Nm (738 lb. ft.) of torque for diesel
or gas applications. Maximum operation:
250 hours per year for planing type hulls of
highly intermittent operation. Gross weight
to horsepower less than 12.2 kg/kw (20
lbs./hp). This classication includes pri-
vate, non-commercial, non-charter, sport/
leisure activity craft. Long range pleasure
cruisers, sport shing charters and com-
mercial service craft are NOT in this ser-
vice classication. Standard warranty.
500 SERIES INSTALLATION MANUAL JULY 2016PAGE 2