1997+ Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-826148R2, Page 324Get this manual
Adjustments Tiller Handle Model with Mechanical Spark Advance (SN-0G590000Above) 1With engine off and ge ar shift in neutral position, loosen cam follower screw2B ack off idle spe ed screw until the throttle shutter positioner does not touch the taper of idle spe ed screw(Throttle plate closed)3Loosen throttle cable jam nuts
5Tighten throttle cable jam nuts
a am ollower Screw am ollower Roller Throttle am Throttle able Sle eve Mounting Bracket 55762
aIdle Spe ed Screwam ollower ScrewThrottle Shutter PositionerJam Nuts