Cylinder Head - HYOSUNG RT 125 D Service Manual

● Install the dowel pins ① and new gasket.
CAUTION
Use a new cylinder head gasket to prevent gas
leakage.
⊙ ⊙ CYLINDER HEAD
● Install the cylinder head ②.
● With the cylinder head snugly seated on the
cylinder, secure it by tightening the bolts in
diagonal stages. Tighten the cylinder head bolts
diagonally to the specified torque.
Cylinder head bolt
: 21 ~ 25 N· · m (2.1 ~ 2.5 kgf· · m)
NOTE
Apply engine oil to the threaded parts of the
cylinder head bolts and its washers.
Be sure to install the washer with rounded side
facing up.
Pay caution to prevent the cam chain from
dropping into the crankcase.
● After tightening the cylinder head bolts to the
specification, tighten the cylinder head base nuts
③ to the specified torque.
Cylinder head base nut
: 7 ~ 11 N· · m (0.7 ~ 1.1 kgf· · m)
● Install the tappet and shim.
CAUTION
With the tappet fitted, it should be replaced if it
doesn' t turn smoothly by the hand.
②
③
47
ENGINE 3-24
①