Robin EY08D User Manual

5 -4-7 INTAKE and EXHAUST VALVES
Remove carbon and gum deposite from the valves, valve seats, intake and exhaust ports and valve guides,
Note: If the valve face is dinted or warped, replace the valves with new ones.
Note:
If there is an excessive clearance between the valve guide and valve stem, replace the valve guide with a
spare.
For replacing, pull out the valve guide, using the valve guide pulling base and bolts as shown in
Fig. 30, and pressure-fit a new valve guide into place.
Valve Face
% Spring Retainer
Fig. 30
VALVE and VALVE GUIDE CLEARANCE
I A-VALVE FACE ANGLE I 4 5" I
I B- SEAT ANGLE I 45" I
C-GUIDE INSIDE DIA.
5.5 dia.
+0.018
0
I MAXIMUM ALLOWABLE
0.056L - 0.092 L
EXHAUST
CLEARANCE BETWEEN C and
D
0.020L - 0.050L
INTAKE
L: LOOSE
Fig. 31
- 27 -

Robin EY08D Specifications

General

Brand	Robin
Model	EY08D
Category	Engine
Language	English