Subaru EX13 Service Manual page 49

(30) 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.
(31) 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
(32) BREAK-IN OPERATION
A new engine or an engine that has been completely overhauled by being fitted 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 final carburetor adjustment and regulate the engine operating speed.
Model
Step
EX13
Step 1
Step 2
Step 3
Step 4 1.5 HP
3 HP
Step 5
Model Model Model
EX13 EX17 EX21
0.6 L
Model Model
EX17 EX21
No Load
No Load
No Load
2 HP 2.5 HP
4 HP 5 HP
- 46 -
Model
EX27
1.0L
Model Engine
EX27 Speed
2500 r.p.m.
3000 r.p.m.
3600 r.p.m.
3.5 HP 3600 r.p.m.
7 HP 3600 r.p.m.
Time
10 min.
10 min.
10 min.
30 min.
30 min.