Tohatsu 4 Stroke MFS 2/2.5/3.5A Outboards Service Manual, Page 18Get this manual
5Break-in Operation Break-in operation is needed to smooth sliding surfaces between components such as pistons and cylinder, piston rings, piston pins, crank shaft, connecting rods, and intake and exhaust valvesBreak-in Operation.10 hours Time Operation 10 minutes hours hours 10 hours Regular Operation
12 of WOT or less at approximately 3,000 rmin 34 of WOT or less at approximately 4,000 rmin 34 of WOT at approximately 4,000 rmin
WOT run for approximately WOT run for approximately minute can be included every minute can be included every 10 minutes of run10 minutes of run
Dead Slow or Idling
Running at the slowest possible speed
6Test Run
12Start engine and check if shifting is smoothAfter completing warm-up operation, check idle engine speed Use tachometer to measure after warm up operation Set the measurement mode to stroke cylinder stroke cylinderIdle Engine Speed1,2501,350 rmin TachometerPN3AC-99010-0