1971 Evinrude StarFlite 100 HP Outboards Service Manual, PN 4753, Page 27Get this manual
off 78 turnCAUTION should be taken to prevent jamming the needle against the seatbAdjust the low-speed needles as described under "Carburetor Adjustments" after installing carburetors on power head, and replace adjusting leversCHOKE Check the choke for free operationwithout bindingLEAF VALVES aThe importance of keeping the leaves in these valves free from distortion cannot be over-emphasizedReplace any leaf valve assembly which shows any indication of distortion or damage of leaf stopCheck leaf plate with scale for distortionbThe leaf is so designed that it maintains constant contact with the leaf block, and will spring away from the block when predetermined pressure is exerted against itLeaf travel away from the block is limited by the leaf stopWhen pressure is removed, the inherent spring action of the segments returns and holds, them against the blockAttach the leaf segments and leaf stops to the leaf blocks, then examine each leaf carefullyEach leaf must lie flat against the block with no edges turned up or away from the blockSee Figure 3-17Figure 3-19 cAttach the leaf plate assemblies to the leaf plate baseTighten screws and nuts to speCified torque to avoid distortion of the leaf blocksChoke valves must move freely,