HYOSUNG RT 125 D, Service Manual

Page: 53 / 94

Camshaft housing bolt
: 8 ~ 12 N · m (0.8 ~ 1.2 kgf · m)
Cam chain tension adjuster mounting
bolt : 8 ~ 12 N · m (0.8 ~ 1.2 kgf · m)
●
Tighten the camshaft housing bolt with the
specified torque.
● If turn the lock shaft handle ① of the cam chain
tension adjuster in clockwise ( ) direction, the
pushrod is inserted in.
Turn the mechanical spring continually until the
handle is turned to the end.
●
Fix the cam chain tension adjuster into the
cylinder block.
●
Tighten the cam chain tension adjuster mounting
bolt with the specified torque.
●
Each camshaft housing is punched with
“
A
” “
B
”
“ C ” “ D ” .
Put on the housing “ A ” to the “ A ” of head
surface, the housing
“
B
”
to the
“
B
”
, the housing
“ C ” to the “ C ” and the housing “ D ” to the “ D ” as
that
“
A
” “
B
” “
C
” “
D
”
is punched also to the
cylinder head upper surface.
● Fix the four camshaft housing and cam chain
guide NO.2 by tightening of the bolt in order.
Install each bolt diagonally by using the wrench
pulling the shaft down.
Tighten the bolt of each camshaft housing with the
same torque.
CAUTION
If get damaged the cylinder head or surface of
camshaft housing thrust, produce an result that
the camshaft housing not was tightened.
CAUTION
The camshaft housing bolt is made of the special
material.
This bolt is superior at the degree of hardness
more than the different high tension bolt.
Pay special caution that the different type of bolt
should not be used.
This bolt head is punched the
“ “ 9 ” ” mark.
52
3-29 ENGINE
①