Suzuki SY413 Service Manual page 3518

INSTALLATION
1) Install swirl chambers (1), so that swirl chamber protrusion (2)
engages cylinder head recess.
2) Reverse removal procedure.
PLUG BALL
There are 6 plug balls in cylinder head.
Their locations are indicated in left figure.
1. Plug ball j 9.5 mm
2. Plug ball j 7.9 mm
INSTALLATION
1) Apply "LOCTITE 243" on the plug ball.
2) Push the plug ball (2) into the cylinder head (1) with special tools
(A) and (B) until tool (A) bottoms out.
Special tool
(A) and (B): 09918-96510/OUT0000136
SECOND PLUG BALL
If oil leaks from plug ball j 9.5 mm (1), insert a second plug ball
over original ball.
If oil leaks form plug balls j 7.9 mm (2), replace cylinder head with
new one because no second ball is not available.
INSTALLATION
1) Push plug ball into cylinder head with special tools (A) and (C)
until tool (A) bottoms out.
2) Apply "LOCTITE 243" on the second plug ball (1).
3) Push the second plug ball into the cylinder head with special
tool (A) and (B) until (A) bottoms out.
ENGINE MECHANICAL (XUD9BSD ENGINE) 6A4-11