Pinion Clearance - Mercury MerCruiser MCM 454 Mag MPI Service Manual

SERVICE MANUAL NUMBER 23

Pinion Clearance

Pinion clearance must be checked as follows after reassembly of motor to insure proper
adjustment.
1. Disconnect motor field coil connector from solenoid motor terminal and insulate it care-
2. Connect 12 volt battery positive (+) lead to solenoid switch and negative (–) lead to sole-
3. Momentarily touch a jumper lead from solenoid motor terminal M to starter motor frame.
4. Push pinion back toward commutator end to eliminate slack.
5. Measure distance between pinion and pinion retainer.
Index
90-861326--1 MARCH 1999
Downloaded from https://needmanual.com/
fully.
a - Motor Field Coil Connector
noid frame.
This shifts pinion into cranking position where it will remain until battery is disconnected.
a - Jumper Lead
b - Starter Motor Frame
a
b
a
STARTING SYSTEM
72631
01447
Page 4A-11