1985 Mercury Outboard V-300 V-3.4L Shop Service Manual, Page 49Get this manual

1985 Mercury Outboard V-300 V-3.4L Shop Service Manual, Page 49

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9 Wilh engine in neutral, move throttle lever 10 place maxi mum spark advance screw against stopCrank engine with slarler mol or and adjust maximum spark advance screw (Figure 6) 10 align 22 mark on f