Suzuki WagonR+ RB310 Service Manual page 796

Assembly
1) Before installing valve guide into cylinder head, ream guide
hole with special tool (10.5 mm reamer) so as to remove
burrs and make it truly round.
Special tool
(A): 09916-34542
(B): 09916-37320
2) Install valve guide to cylinder head.
Heat cylinder head uniformly to a temperature of 80 to 100
°C (176 to 212 °F) so that head will not be distorted, and
drive new valve guide into hole with special tools. Drive in
new valve guide until special tool (Valve guide installer) con-
tacts cylinder head.
After installing, make sure that valve guide protrudes by
specified dimension "a" from cylinder head.
Special tool
(A): 09916-58210
(B): 09916-56011
NOTE:
• Never reuse once-disassembled valve guide.
Make sure to install new valve guide.
• Intake and exhaust valve guides are identical.
Specification for valve guide protrusion "a"
Intake side: 11.3 mm (0.44 in.)
Exhaust side: 11.3 mm (0.44 in.)
3) Ream valve guide bore with special tool (5.5 mm reamer).
After reaming, clean bore.
Special tool
(A): 09916-34542
(B): 09916-34550
4) Install valve spring seat to cylinder head.
ENGINE MECHANICAL (M13 ENGINE) 6A2-61