2006 Johnson 3.5 hp R 2-Stroke Outboard Owners Manual

INSTALLATION
Use this procedure to determine whether or not the
boat’s  transom  height  is  correct  for  the  engine’s
shaft length:
WARNING
Lift the engine using the lift grips (NOT the tilt grip
or steering handle) and place it in the center of the
boat’s transom.
Your engine must not exceed the maximum
horsepower indicated on the boat’s capacity
plate. Such overpowering can cause loss of
control.  Contact  your  Dealer  or  the  boat’s
manufacturer if your boat lacks    a capacity
plate.
Boats designed for remote-steered engines
might  be  overpowered   by  a  tiller-steered
engine  of  the  maximum  rated  horsepower.
Ask your Dealer or boat manufacturer is you
are unsure about your boat’s suitability.
Incorrectly  matched  boat  and  engine  tran-
som heights can cause boat instability and
loss  of  control.  Refer  to  Transom  Height
and Shaft Length.
A mounting surface that is damaged or too
thin to support your engine while underway
might fail during operation, causing you to
lose control.  Be sure the  boat’s transom  or
mounting bracket  is structurally  sound and
between 1¼ in.  (32 mm) and 1¾  in. (44 mm)
in thickness.
If equipped, tighten clamp screws    by hand, NOT
with tools.
Adjust the motor angle so the antiventilation plate is
parallel with the boat bottom. Refer to Motor Angle
Adjustment.
The  resulting  position  of  the  antiventilation  plate
must be no higher than the boat’s bottom and no
lower than 2 in. (51 mm) below it.
Transom Height and Shaft Length
If the resulting position of the antiventilation plate is
above or below the 0 to 2 in. (0 to 51 mm) range,
The  transom  height  dimension  listed  in   Engine
Specifications is the height of the boat transom        the  engine  shaft  length  must  be  changed  or  the
your engine needs. This dimension is measured at
the transom centerline, perpendicular to the bottom
of the boat.
boat’s transom must be modified.
If you install and operate the engine:
Lower than recommended — Serious powerhead
damage could result from water entry into the lower
engine cover or overloading from an under-revving
propeller at wide open throttle.
Higher than recommended — Serious powerhead
damage could result from inadequate cooling or an
over-revving  propeller.  Propeller  ventilation  (slip-
page) often occurs, resulting in poor boat perfor-
mance.
1
On a specialty hull, non-planing  hull, or on  a boat
with a curved transom, these guidelines might not
apply. See your Dealer for special installation infor-
mation.
2
3
1.
2.
3.
Transom height
Antiventilation plate
Final position – 0 to 2 in. (0 to 51 mm)
36
- Maintenance
Product Specification
CategoriesJohnson 2-Stroke Manuals, Johnson Outboard Manuals
Tags,
Model Year2006
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- 48 pages
Document File TypePDF
CopyrightAttribution Non-commercial
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