SPEC
R-19
DESCRIPTION
SPECIFICATION
Cylinder head :
<Warp limit>
<0.03 mm (0.0012 in)>
*
Lines indicate straightedge
measurement.
Camshaft :
Drive method
Chain Drive
Cam dimensions
Intake
“ A ”
25.356 ~ 25.456 mm
<Limit>
<25.326 mm>
“ B “
20.989 ~ 21.089 mm
<Limit>
<20.959 mm>
“ C “
4.4055 mm
Exhaust
“ A “
21.360 ~ 21.460 mm
<Limit>
<21.330 mm>
“ B “
21.001 ~ 21.101 mm
<Limit>
<20.971 mm>
“ C “
4.4114 mm
Rocker Arm/ Rocker Arm Shaft :
Inside diameter (Rocker Arm)
10.000 ~ 10.015 mm
<Limit>
<10.03 mm>
Outside diameter (Rocker Armshaft)
9.981 ~ 9.991 mm
<Limit>
<9.95 mm>
Cam chain :
Cam chain type/No. of links
BUSH CHAIN / 90
Cam chain adjustment method
Automatic
Valve, Valve Seat, Valve Guide :
Valve clearance (cold)
IN
0.08 ~ 0.12 mm
EX
0.10 ~ 0.14 mm
Valve dimensions :
Head Dia. Face Width
Seat Width
Margin Thickness
“A” head diameter
IN
22.90 ~ 23.10 mm
EX
19.90 ~ 19.10 mm
“B” face width
IN
1.98 mm
EX
2.26 mm
“C” seat width
IN
0.9 ~ 1.1 mm
EX
0.9 ~ 1.1 mm
“D” margin thickness
IN
0.60 mm
EX
1.00 mm
2-5
MAINTENANCE SPECIFICATIONS
B
B
C
A
B
C
D
