1974 Johnson 135 HP Outboard Motors Service manual, Page 16Get this manual
2-8 TROU BLE CHEC CHART
TROUBLE
1MOTOR WILL NOT START
POSSIBLE CAUSE
AFUEL SYSTEMSee Section 3
Fuel line improperly connected Slow speed orifice blocked
Engine not prl med
Manual hoke in "OFF" position Speed control not advanced (throttle losed) Engine flooded Old fuel
Clogged fuel filter screen Automatic choke not operating Choke spring broken or disconnected Fuel system faulty BIGNITION SYSTEMSee Section 4
Timing, cam or linkage improperly adjusted Sheared flywh eel key Loose wiring Ignition system faulty (key switch)