1991 Johnson Evinrude 9.9 Thru 30 HP Models Service Manual P/N 507946, Page 66Get this manual

1991 Johnson Evinrude 9.9 Thru 30 HP Models Service Manual P/N 507946, Page 66

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4 Point end of fuel hose into container below top of tankDepress the ball in the fuel connector until remaining fuel is expelled5 Add air to bring pressure back to psi (69 kPa)6 Submerge fuel tank in