Mariner Mercury 105/140 JET, Service Manual

Page: 114 / 797

2C-12 - ELECTRICAL 90-824052R3 JUNE 2002
12. Reconnect TAN/BLACK engine head tempera-
ture sensor leads located on port cylinder head.
a
51785
a - Head Temperature Sensor Leads
IDLE TIMING (ENGINE RUNNING)
1. WHITE/BLACK lead from idle stabilizer must be
disconnected.
2. With engine in water, start engine and allow to
warm up.
3. Shift engine into “FORWARD” gear.
4. Hold throttle arm (1) against idle stop (throttle
cable barrel removed from barrel retainer).
Adjust idle timing screw (2) to attain appropriate
setting. Tighten locknut (3).
2
3
1
5. Reconnect WHITE/BLACK lead of idle stabilizer
(1) at bullet connector (2).
2
1
IDLE ADJUSTMENT
1. With outboard in water, start and allow to warm
up.
2. Loosen cam follower screw, allowing free
movement of cam. Hold throttle arm against idle
stop. Adjust idle speed screw (1) by increasing or
decreasing air valve opening to attain
appropriate setting.
1