2009-2010 Suzuki DF70A DF80A DF90A Outboard Service Manual, Page 33Get this manual
Maintenance and Tune-Up: Installation Installation is reverse order of removalPay attention to the following: Tighten the spark plug to specified torqueTightening torque Spark plug (a): 18 Nm (1.8 kgf-m, 13 lbf-ft) (A)
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Spark Plug Gap Measure spark plug gap with thickness gaugeAdjust to within specified range if gap is out of specification(a)
Special tool0990020803 (Thickness gauge) Spark plug gap "a" (Standard) 0.8 0.9 mm (0.031 0.035 in
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