Suzuki 50-85HP outboard motors Service Manual, Page 6Get this manual
Suzuki DT50, OT60OT65 (Prior to 1985) Secondary coil resistance reading should be within the limits of 5020-6790 ohms for each coilTo check condition of CD ignition modu)e, use tester or ohmmeter in con junction with test chart shown in FigSZ14-14Renew CD ignition module if required
OUTBOARD MOTOR
FigL 2345
COOLING SYSTEM
WATER PUMPA rubber impeller type water pump is mounted between the drive shaft housing and gearcaseA key in the drive shaft is used to turn the pump impellerIf cooling system problems are encountered, check water intake for plugging or partial stoppage, then if not corrected remove gearcase as outlined in the appropriate section and check condition of the water pump, water passages and sealing surfacesWhen water pump is disassembled, check condition of impeller (4-FigSZ14-15) and plate (5) for excessive wearTurn drive shaft clockwise (viewed from top) while placing pump housing over impellerAvoid turning drive shaft in opposite direction when water pump is assembledTHERMOSTATA thermostat (4-FigSZ1416) is used to regulate operating temperatureThe thermostat should start to open within the temperature range of 40_44 (104111FjThermostat can be removed for insper tion or renewal by removing cylinder head cover