Honda BF20A-BF25A, BF25D-BF30D Outboard Motors Shop Manual., Page 267Get this manual
3MAINTENANCE
1MAINTENANCE SCHEDULE 2CARBURETOR 3ACCELERATION DEVICEDIAPHRAGM 4THROTTLE RODnHROTTLE CABLE
5SHIFT CABLE (Long Tiller Handle Type) 6STEERING FRICTION (Long Tiller Handle Type Without Mechanical Tilt)
1MAINTENANCE SCHEDULE
REGULAR SERVICE PERIOD (1) Perform at every indicated moth or operating hour interval, whichever comes first
After use
First Every Every Every month months or or 2
20 Hrs 100 Hrs 200 Hrs 400 Hrs
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Check level Chanae Chanqe Gear case oil Engine oil filter Change Starter rope Check Timina belt Check-adiust Carburetor linkage Check-adjust Idle speed Check-adjust Valve clearance Check-adjust Check-adjust Spark plug Replace Propeller and sprit pin Check Anode Check Lubrication Grease Fuel tank and tank filter Clean Thermostat Check Fuel filter Check Replace Fuel line Check Replace Battery and cable connection Check level-tighten Bolts and nuts Check-tighten Crankcase breather tube Check Cooling water passage Clean