Mariner Mercury 105/140 JET, Service Manual

Page: 786 / 797

7-26 - ATTACHMENTS/CONTROL LINKAGE 90-824052R3 JUNE 2002
Trim Tab Adjustment
DUAL OUTBOARD - COUNTER ROTATION
INSTALLATION
1. Shift outboard into neutral and make sure ignition
key is at “OFF” position.
2. Remove plastic cap from rear of driveshaft
housing and loosen bolt and trim tab.
3. Position trim tabs of both outboards straight to
rear of outboard, so that tabs are aligned with
gear housing centerline.
4. Tighten both trim tab bolts securely and replace
plastic caps. No further adjustment will be
required.
DUAL OUTBOARD - NON COUNTER ROTATION
INSTALLATION
1. Check trim tab position as follows:
IMPORTANT: Initial trim tab setting for both
outboards should be straight to rear of outboard,
so that tabs are aligned with gear housing center
line. Refer to “If necessary, adjust trim tab as
follows,” following.
a. Operate boat at normal cruise throttle setting
and adjust trim to optimum setting.
b. If boat pulls to the right (starboard), trailing
edge of trim tab must be moved to the right
(when viewing outboard from behind). If boat
pulls to the left (port), trailing edge of trim tab
must be moved to the left.
2. If necessary, adjust trim tab as follows:
a. Shift outboard into NEUTRAL and make sure
ignition key is at “OFF” position.
b. Remove plastic cap from rear of driveshaft
housing and loosen bolt and trim tab.
IMPORTANT: Trim tabs MUST BE set in the same
position on both outboards.
c. If boat pulls to the right, adjust trailing edges
of both trim tabs to the right. If boat pulls to the
left, adjust trailing edges of both trim tabs to
the left.
d. Tighten both trim tab bolts securely and
replace plastic caps.
e. Operate boat per “Check trim tab position
as follows,” preceding, to check trim tab
setting. Readjust trim tabs, if necessary.
RideGuide Steering Attachment
Extension Couplers
Listed below are typical couplers available. Refer to
the current Quicksilver Accessory Guide for specific
coupler lengths and part numbers.
Outboard Center Required Coupler(s)
Line Distance Between Steering Eyes
22-1/2 in. thru 24-1/2 in. 12
″
(305mm) Coupler
(572mm thru 622mm)
23-1/2 in. thru 27-1/2 in. 15
″
(381mm) Coupler
(597mm thru 699mm) (Supplied with this kit)
26-1/2 in. thru 30-1/2 in. 18
″
(457mm) Coupler
(673mm thru 755mm)
30 in. thru 34 in. 9
″
(229mm) Coupler and 12
″
(763mm thru 864mm) (305mm) Coupler (Connected
together with coupler link rod)
33 in. thru 37 in. 12
″
(305mm) Coupler and
12
″
(305mm) Coupler (Con-
nected together with coupler
link rod)