Yamaha TZ250M1 Owner's Service Manual page 124

CYLINDER HEAD, CYLINDER AND PISTON
2. Install:
• Solid bush1
• Oil seal 2
• Plain washer 3
• Circlip 4N
• Valve pulley 5
• Screw (valve pulley) 6
To valve shaft 7.
NOTE:
Apply the lithium soap base grease on the
valve shaft and oil seal lip.
3. Lock the pulley holding screw using an
appropriate wire around the groove on the
valve pulley.
4. Install:
• Valve shaft 1
• Valve cover 2
• Screw (valve cover) 3
NOTE:
• Install the valve shaft so that its pulley faces
left of the chassis for the left cylinder and right
of the chassis for the right cylinder.
• When installing the valve shaft into the cylin-
der, lightly touch the solid bush 4 with the oil
seal 5 and provide an equal gap a for the
power valve 6 and valve shaft.
• Clean the contacting surface of the valve
cover and cylinder before applying the
sealant.
C C CAUTION:
If the engine is started soon sfter reinstalla-
tion, use this quick drying Quick gasket®
(ACC-11001-30-00) or YAMAHA Bond No.4
Quick gasket®
ACC-11001-05-01
F
ACC-11001-30-00
YAMAHA Bond No. 1215:
90890-85505
YAMAHA Bond No.4
90890-05143
4-26
ENG
4 Nm (0.4 mdkg, 2.9 ftdlb)
T
4 Nm (0.4 mdkg, 2.9 ftdlb)
T