Subaru Robin EX30 - Manual (Page 44)

- 41 -
(28) EXTERNAL INSPECTION
Reassembly is completed. Check that the wiring is correct and that there are no loose nuts and bolts or any
other faults visible on the outside of the engine.
(29) FILLING WITH ENGINE OIL
Use the automobile engine oil of API service class SE or higher grade.
The amount of oil depends on the engine model. Refer to the table below.
Engine oil volume 1.0 L
(30) BREAK-IN OPERATION
A new engine or an engine that has been completely overhauled by being fi tted with a new piston, rings, valves
and connecting rod should be thoroughly RUN-IN before being put back into service.
Good bearing surfaces and running clearances between the various parts can only be established by operating
the engine under reduced speed and loads for a short period of time.
While the engine is being tested, check for oil leaks.
Make fi nal carburetor adjustment and regulate the engine operating speed.
Step Load Engine speed Time
Step 1 No Load 2500 r.p.m. 10 min.
Step 2 No Load 3000 r.p.m. 10 min.
Step 3 No Load 3600 r.p.m. 10 min.
Step 4 3.5 HP 3600 r.p.m. 30 min.
Step 5 7 HP 3600 r.p.m. 30 min.