1983 Yamaha 30EN Outboards Service Manual, Page 15Get this manual
CHAPTER 2PERIODIC INSPECTION AND ADJUSTMENTS
PRE-DELIVERY SERVICE 2-1 Handling notes of cardboard crates 2-1 Handling instruction marks 2-1 Notes on transportation 2-2 Unpacking 2-1 Predelivery check 2-1 Predel ivery service 2-1 Test-run (on the test tank) 2-2 CLEAN UP 2-2 DELIVERY 2-2 PERIODIC INSPECTION AND ADJUSTMENTS 2-3 Introduction 2-3 Maintenance interval charts 23 Periodic maintenance 2-3 Lubrication intervals 2-4 ADJUSTMENT 2-5 POWER HEAD 2-5 Spark plug 2-5 Ignition timing adjustment 2-5 Throttle cam and throttle link adjustment in wide open throttle 2-8 Throttle linkage adjustment at wide open throttle 2-9 Neutral starting device adjustment 2-10 Throttle linkage adjustment in neutral position 211 Idle speed adjustment 2-12 GEAR OIL 2-12 Oil level check 2-12 Oil replacement 2-12 BATTERY (For electric motor) 2-13 TEST PROPELLER 2-13