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b) Maintenance – check intervals
Oil.................................................................... 5 W 40 syntetetic
Oil level check................................................. every 5 hours of operation
Oil exchange.................................................... after first 8 hour of operation,
than every 50hours or everyseason,
Air filter exchange........................................... every 50 hours, or every season,
Spark plug exchange....................................... every 100hours,or every season,
Check valve clearance..................................... every 40 hours
c) Maintenance – procedures
I. Oil change procedure
1. Preparation
Replace oil when engine OFF but still warm
Clean the oil fill cap area and remove the dip stick.