Powerhead Inspection; Cylinder Head; Crankshaft - BRP EVINRUDE E-TEC 200 Service Manual

POWERHEAD

POWERHEAD INSPECTION

POWERHEAD
INSPECTION
For d imensions, refer t o SERVICE SP ECIFICA-
TIONS on p. 10.
IMPORTANT:
Before any inspect ion pro cess
can begin, all internal components must be co m-
pletely clean and free of contaminants.
Visually inspect all p arts. Check for unusual wear
patterns, scuf fing, or det erioration o f aluminu m
parts, heat-related d iscoloration of be arings a nd
bearing surfaces, and broken components.

Cylinder Head

Check for cylinder head warpage using a piece of
bar stock or mach inist's straightedge and a feeler
gauge set.
Cylinder head warpage must not exceed 0.003 in.
(0.08 mm) per inch
head if warpage exceeds this dimension.
228
of me asurement. Replace

Crankshaft

Measure the diame ter of ea ch crankpin and main
bearing journal. The lower main be aring journal
would only
removed for another reason.
Visually inspect crankcase se al rin gs fo r we ar,
grooves, or chipping. If rings appear worn, use a
micrometer to measure ring thickness.
Replace rin gs that are less than 0.154 in . (3.9
mm) thick.
Install seal rings in t
crankshaft after inspection.
49425
be measu red if the
heir original po sitions on
bearing was
5220
1936