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○ Remove a crankcase left-side cover.
◇Turn both A and B counterclockwise to remove
them.
Ａ
○ Remove a cam sprocket.
◇ Set the flywheel and cam sprocket so the "T"
and "O" marks on them respectively face
forward. And set the timing marks to be in
contact with the cylinder head surfaces.
And turn the flywheel counterclockwise so it
meshes with each notch.
Notch
◇Remove a hex bolt next to the change-pedal
shaft. (As the tensioner which is holding the c
am chain slackens, it becomes easy to install
the cam chain.)
Oil will flow out a little after the bolt is tightened.
Wipe off the oil.
〜 Installation Procedures 〜
◇ Holding the flywheel, remove two hex bolts on
the cam sprocket by turning them
counterclockwise.
Ｂ
◇ Remove a cam sprocket from the cam shaft.
◇Detach the cam chain from the cam sprocket, and
take out the cam sprocket.
◇Detach a dowel pin fixed in the center of the
camshaft.
(Keep the dowel pins for re-use.)
Timing
mark
◇ Remove a stopper plate, rocker arm and rocker
arm shaft from the cylinder head.
T mark
Rocker arm
◇Install the camshaft included in the Kit.
Apply clean engine oil to the camshaft and its
bearings. Even if you cannot easily fix the
camshaft, fix it manually without striking it with
a hammer.
◇ Attach the dowel pins, originally attached to
the stock camshaft, to the supplied camshaft.
◇ Install the rocker arm, rocker arm shaft and
stopper plate which you have just removed from
the cylinder head.
Stopper plate bolt : 12N・m (1.2 kgf・m)
※If you fail to install the rocker arm shaft onto the
rocker arm, loosen the adjusting screw on the
rocker arm.
○ Installation of cam sprocket.
◇ Align the "T" mark on the flywheel with the
notch on the crankcase, and set the piston at
the compression top dead center position.
◇ et the shaft so the cam top faces the piston
when the cam sprocket bolt hole is turned
toward the notch on the cylinder head.
This arrangement places the cam shaft at TDC
(Top Dead Center) on the compression stroke.
Stopper plate
◇Set the cam sprocket so its "O" mark faces the
front. And after meshing the timing marks with
Rocker arm
mating surface of the cylinder head cover, place
shaft
the cam chain on the camshaft.
‑ 2 ‑
Notch
T mark
Timing
mark
Sep./08/ 09
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