Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 292Get this manual
4Match tiller tube end with the slots and pull the tube end into the handle until it bottoms out5Install the throttle lock components on tiller tube 8Align the grooves inside the rubber grip with the ridges on the handlePush the rubber grip onto the handle
NOTE: Applying soapywater solution to the inside of the rubber grip will ease instaffation
9Place pulley assembly into armaTiller Tube
bHandleMatch the Tube End with Slots
10Slide the tiller tube into the arm Position the throttle lock knob into its slot
NOTE: Place engine start switch wiring harness under the tiller tube as shown11 Route the stop switch wi ring harness through the pulley assembly12Match the end of the tiller tube with the slots in the pulley assemblyInsert the tiller tube end into the pulley assembly13Secure tiller tube with retainerTorque screw to 35 lbin(3.9 Nm)14Snap the engine start switch on the tiller tube