1974 Johnson 40 HP Outboard Motors Service Repair manual P/N JM-7407, Page 51Get this manual

1974 Johnson 40 HP Outboard Motors Service Repair manual P/N JM-7407, Page 51

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Figure 5-19ACleaning Carbon From Ring Grooves
Figure 5-20 Checking Piston Skirts for Roundness

Figure 5-23 Checking Groove Side Clearance ing an old ring, grinding an angle on the e

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