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What is he correct spark plug gap for a 4.75 hp Murray lawn mower?
Wiki User
∙ 15y ago
According to Craftsman owner manual for 4.75 horsepower mower model 917.388920 spark plug RJ19LM the gap is .030.
Also: Oil type (API SG-SL) SAE 30 (above 32 F) and SAE SW-30 (below) 32 deq. F
Blade bolt torque 35-40 lbs.
Wiki User
∙ 15y ago
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