Suzuki Wagon R Manual page 3884

ENGINE MECHANICAL (Z10XEP AND Z12XEP ENGINES) 6A4-57
Cylinder head and related parts specifications
(for reference)
Item
Cylinder head height "a"
Valve guide Intake valve
length "b"
Exhaust valve
Installation Intake valve
height "c" of
Exhaust valve
valve guide
Installation Standard (GM)
height "d" of
valve
Oversize (GM K1)
0.075 mm (0.0030 in.)
Oversize (GM K2)
0.150 mm (0.0059 in.)
Item
Valve length Standard (GM)
"e"
Oversize (GM K1)
0.075 mm (0.0030 in.)
Oversize (GM K2)
0.150 mm (0.0059 in.)
Valve disc Intake valve
diameter "f"
Exhaust valve
Valve seat angle at valve disc "g"
Valve lift Intake valve
(Z10XEP)
Intake valve
(Z12XEP)
Exhaust valve
Specification
126.0 mm
(4.96 in.)
38.75 – 39.25 mm
(1.5256 – 1.5452 in.)
11.70 – 12.00 mm
(0.4607 – 0.4724 in.)
31.20 – 32.20 mm
(1.2284 – 0.2677 in.)
30.80 – 31.90 mm
(1.2126 – 1.2559 in.)
30.80 – 31.90 mm
(1.2126 – 1.2559 in.)
Specification
93.65 – 94.05 mm
(3.6870 – 3.7027 in.)
93.25 – 93.65 mm
(3.6713 – 3.6870 in.)
93.25 – 93.65 mm
(3.6713 – 3.6870 in.)
27.90 – 28.10 mm
(1.0985 – 1.1062 in.)
24.90 – 25.10 mm
(0.9804 – 0.9881 in.)
90° 40'
8.50 mm (0.3346 in.)
7.06 mm (0.2780 in.)
7.56 mm (0.2976 in.)