Suzuki 2000 Grand Vitara SQ625 Service Manual page 400

6A2-76 ENGINE MECHANICAL (H25 ENGINE)
No. 2 cylinder
FRONT
No. 1
No. 3 cylinder
cylinder
ASSEMBLY
NOTE:
Two sizes of piston are available as standard size spare part
so as to ensure proper piston-to-cylinder clearance. When
installing a standard size piston, make sure to match piston
with cylinder as follows.
a) Each piston has stamped number (1 or 2) on its piston head. It
b) There are also stamped numbers of 1 and 2 on the cylinder block
No. 4 No. 6
cylinder cylinder
c) Stamped number on piston and cylinder block must correspond.
No. 5 cylinder
represents outer diameter of piston.
as shown.
That is, install number "2" stamped piston to cylinder which is
stamped also number "2" and a number "1" piston to cylinder
with number "1".
Piston
Number
at the top Outer diameter
(mark)
83.98 – 83.99 mm
1
(3.3063 – 3.3066 in.)
83.97 – 83.98 mm
2
(3.3059 – 3.3062 in.)
Also, a letter A, B or C is stamped on piston head but ordinarily
it is not necessary to distinguish each piston by this letter.
Cylinder
Number on
cylinder Bore diameter
block
84.01 – 84.02 mm
1
(3.3075 – 3.3078 in.)
84.00 – 84.01 mm
2
(3.3071 – 3.3074 in.)
Piston-to- Piston-to-
cylinder
clearance
0.02 – 0.04 mm
(0.0008 –
0.0015 in.)
0.02 – 0.04 mm
(0.0008 –
0.0015 in.)