Throttle Plate Stop Screw; Crankshaft Position Sensor Air Gap; Throttle Position Sensor (Tps) Adjustment - Mercury 200 OptiMax Jet Drive Service Manual

Timing, Synchronizing, and Adjusting

Throttle Plate Stop Screw

IMPORTANT: Do not adjust the throttle plate stop screw from the factory setting. However, should the throttle plate require
adjustment, use the throttle plate stop screw to set the throttle plate clearance to 0.7937 mm (0.031 in.) with a #68 drill bit.

Crankshaft Position Sensor Air Gap

IMPORTANT: The crankshaft position sensor air gap (between flywheel tooth and sensor) is not adjustable. Visually inspect sensor
for damage from foreign debris. Replace sensor as required.
1. Remove flywheel cover. Refer to Section 2A - Flywheel Cover Removal and Installation.
2. Inspect for damage or debris.
a - Crankshaft position sensor
b - Bracket screw
Description
Crankshaft position sensor bracket screw
3. Install flywheel cover.

Throttle Position Sensor (TPS) Adjustment

The TPS is not adjustable. The TPS position can be monitored with the computer diagnostic system. Voltage change should be
smooth from idle to wide‑open throttle. If the voltage change is erratic, the TPS is defective.
Idle
Wide‑open throttle
Computer Diagnostic System (CDS)
Page 2C-4
b
a
45434
a
b
Throttle Position Sensor Specifications
a - Throttle plate stop screw
b - Throttle plate clearance
Order through SPX
45435
Nm lb‑in.
5 44
0.4–1.3 VDC
4.0–4.7 VDC
90-8M0050731 MAY 2011
lb‑ft