6-15 POWER UNIT
TIMING CHAIN / TENSIONER
REMOVAL
Prior to this service work :
• remove the power unit. (see page 6-3 to 6-6)
• remove the oil pump case. (see page 6-10)
1. Turn the crankshaft in its normal running direction (
R direc-
tion) until No.1 cylinder reaches top dead center.
NOTE :
To bring No.1 cylinder top dead center, align mark
S
on the
crankshaft with mark
a
on the crank case.
B
When timing chain has been removed, never turn crank-
shaft or camshaft.
2. Remove the bolts and timing chain tensioner link 5.
3. Remove the bolts and tensioner adjuster 6.
4. Remove the bolts and timing chain guide No.1 3.
1 Crankshaft / timing sprocket
2 Timing chain
3 Timing chain guide No.1
4 Timing chain tensioner
5 Timing chain tensioner link
6 Timing chain tensioner adjuster
7 Timing chain guide No.2
8 Exhaust camshaft w/timing sprocket
9 Intake camshaft and timing sprocket
1
2
3
9
7
8
5
4
a: Match mark on crank case
S: Match mark on crank shaft
R: Engine normal running direction
a
S
6
R