Mercury 200 EFI

2
C
TIMING, SYNCHRONIZING & ADJUSTING
90-883728 JULY 2001 Page 2C-1
ELECTRICAL
Section 2C - Timing, Synchronizing & Adjusting
Table of Contents
Specifications 2C-1. . . . . . . . . . . . . . . . . . . . . . . . . . .
Special Tools 2C-2. . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjustments 2C-3. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Throttle Cam Adjustment 2C-3. . . . . . . . . . . . . .
Timing 2C-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Throttle Adjustment 2C-4. . . . . . . . . .
Throttle Position Sensor 2C-5. . . . . . . . . . . . . . .
Idle Speed 2C-5. . . . . . . . . . . . . . . . . . . . . . . . . . .
Throttle Cable Installation 2C-5. . . . . . . . . . . . .
Throttle Plate Screw 2C-6. . . . . . . . . . . . . . . . . .
Specifications
EFI MODELS Idle RPM
– All Models
Wide Open Throttle (WOT) RPM
– All Models
Float Adjustment (Vapor Separator)
Float Level
650 ± 50
5250 – 5750
Preset @ Factory
IGNITION
SYSTEM
Type
Spark Plug Type
Spark Plug Gap
Firing Order
Throttle Position Sensor
@ Idle
@ W.O.T.
Digital Inductive
NGK BPZ8HS-10
0.040 in. (1.0 mm)
1-2-3-4-5-6
0.19 – 1.0 vdc
3.45 – 4.63 vdc
TIMING Idle Timing
– 150XRI/175/200 XRI Models
– 175 XRI
@ WOT RPM
– Model 150 XRI
@ WOT RPM
– Model 200XRI
@ WOT RPM
1° – 7° ATDC
18° BTDC
18° BTDC
20° BTDC