Inspection / Servicing - Suzuki DF 90 Service Manual

INSPECTION / SERVICING

NOTE:
If cracks, excessive wear or other damage is found on any com-
ponent, replace component.
CYLINDER
Cylinder distortion
Using a straightedge and thickness gauge, measure cylinder
distortion (gasketed surface) at a total of six (6) locations as
shown in figure.
09900-20803 : Thickness gauge
Cylinder distortion :
Service limit : 0.05 mm (0.002 in.)
If measurement exceeds service limit, resurface or replace
cylinder.
NOTE:
Cylinder can be resurfaced, using a surface plate and # 400 grit
wet sandpaper.
Move cylinder in a figure eight pattern when sanding.
Water jackets
Inspect water jackets for clog or obstruction.
Clean water jacket if necessary.
Driven gear / bearing
Inspect driven gear for wear or other damage.
Replace if necessary.
Inspect driven gear bearing for pitting, rough or other damage.
Replace if necessary.
1 Driven gear 2 Plug 3 O-ring 4 Circlip
POWER UNIT 6-43