1997+ Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-826148R2, Page 101Get this manual
Tiller Handle Model with Mechanical Spark Advance (SN-0G590000Above) 1C heck all electrical connections to ensure they are tight and secure (including battery connections on electric start models)2With engine off and ge ar shift in neutral position, loosen cam follower screw3B ack off idle spe ed screw until the throttle shutter positioner does not touch the taper of idle spe ed screw(Throttle plate closed)4Loosen throttle cable jam nuts
6Tighten 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 Cable Slack Min116 in(1.59 mm) Max18 in(3.18 mm)