1974 Johnson 135 HP Outboard Motors Service manual, Page 48Get this manual

TIMING POINTER

LOCKNUT

Figure 4-35Timing Pointer Adjus tment

Figure 4-36Piston Stop

MERCOTRON IC ADAP TER

TIMING POINTER ADJUSTMENT
Engine performance depends on the accuracy of ignition timing and car buretor synchronizationIf ma jor powerhead components have been replaced, or timing pointer disturbed, the pointer should be re- checked against the TDC mark all the flywheelTo check and adjust, proceed as follows:

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives