1978 Johnson 175, 200, 235 HP Outboard Service Manual, Page 8Get this manual
ARRANGEMENT OF MANUAL This Service Manual includes the specific information you will need to service the Johnson motorAll general procedures are covered in abbreviated form, mostly by reference to procedural illustrationsThe specific procedures which apply only, or primarily, to this motor are covered in fullyillustrated, detailed, step-by-step instructionsThe General Service Information section will help you diagnose malfunctioning motorIt includes specifications, tune-up procedures, and Trouble Check ChartClearances and torque values are also included for quick reference during servicing operationsEach of the following sections, Fuel System, Ignition System, Power Head, and Lower Unit, gives detailed instructions for disassembly, inspection, reassembly, and operating adjustments of the componentsThese procedures will help you service specific system, or completely overhaul the motor
REPLACEMENT PARTS
SAFETY WARNING
When replacement parts are required, use genuine OMC parts or parts with equivalent characteristics including type, strength, and materialFailure to do so may result in product malfunction and possible injury to the operator andor passengersIndividual purchasers of Service ManualsSee your local AUTHORIZED SERVICE DEALER