Cylinder Head Valve Recess; Cylinder Bore Check - Ezgo 1600xd Repair Manual

5.9.2 CYLINDER HEAD VALVE RECESS

1. Clean the cylinder head, the valve face and the
valve seat.
2. Insert the valve into the guide.
3. Measure the valve recess with a depth gauge.
4. If the recess value exceeds the allowable limit, re-
place the valve and check the valve seat.
Specifi ed
value
Valve recess
Allowable
limit
SUUV-W00 Apr. 2011
ENGINE - INSPECTION AND ADJUSTMENT

5.9.3 CYLINDER BORE CHECK

1.
2.
S76W270A
0.9 ~ 1.1 mm
0.035 ~ 0.043 in.
1.3 mm
0.051 in.
(A) Axial direction
1,2,3 Measuring Points
3.
Check the worn condition of the honing groove on
the bore.
Check the bore for scuffi ng or scoring.
Measure the cylinder liner I.D. at six locations as
shown in the fi gure to fi nd the largest worn area.
Specifi ed cylinder I.D.
S76W271A
S76W272A
(B) Transverse direction
75.000 ~ 75.022 mm
(2.9528 ~ 2.9536 in.)
3
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