1979 Johnson 2HP Outboards Service Manual, Page 24Get this manual
3-7 The 1eaf is so designed that it maintains constant contact with the 1eaf p1ate until predetermined pressure is exerted against itLeaf trave1 away from the p1ate is limited to 1 4" (6.3 the 1eaf backp1ateWhen pressure is removed, the inherellt spring action of the 1eaf segments returns alld h01ds them against the p1ateAttach the 1eaf segmellts alld 1eaf stops to the 1eaf p1ate, alignil1g 1eaves with marks p1ateSee Figure 3-10Screw Lock to 1eaf va1ve screw threads and tighten to torque specified in Section to avoid distortion of the 1eaf p1ateDNOTE DO NOT lift bend 1eaf segments them so that the 1eaves wou1d have to handThis rep1aceddamage
dExamine each 1eaf carefullyEach 1eaf must p1ate with edges turned away from the p1ate
flat against the
ROLLER TANGENT MARKS
REASSEMBLY OF LEAF VALVES, INTAKE MANIFOLD, FUEL TANK AND MOTOR
new gaskets between the 1eaf p1ate, intake manif01d, and crankcase, and attach to crankcase with four screwsUsing new gasket, and fasten in with nutsAdjust throttle carburetor in position manif01d studs