Yamaha YZF-R1(B) 2012 Service Manual page 247

b. After riveting, make sure the diameter
between the edges "b" of the connecting
pin "2" is 5.7–6.0 mm (0.22–0.24 in).
c. After riveting, make sure the space "c",
which is inside of the connecting link "3"
and inside of the connecting plate "1", is
16.3–16.5 mm (0.64–0.65 in).
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
2. Lubricate:
• Drive chain
Recommended lubricant
Chain lubricant suitable for O-
ring chains
3. Install:
• Drive sprocket "1"
• Washer "2"
• Drive sprocket nut "3"
Drive sprocket nut
85 Nm (8.5 m·kgf, 61 ft·lbf)
LOCTITE®
TIP
• While applying the rear brake, tighten the
drive sprocket nut.
• Stake the drive sprocket nut at cutouts, "a" in
the drive axle.
ECA14300
Never install a new drive chain onto worn
drive chain sprockets; this will dramatically
shorten the drive chain's life.
4. Adjust:
• Drive chain slack
Refer to "ADJUSTING THE DRIVE
CHAIN SLACK" on page 3-21.
Drive chain slack (when adjust-
ing the drive chain)
25.0–35.0 mm (0.98–1.38 in)
Drive chain slack (when replac-
ing
sprocket)
20.0–30.0 mm (0.79–1.18 in)
ECA13550
A drive chain that is too tight will overload
the engine and other vital parts, and one
that is too loose can skip and damage the
swingarm or cause an accident. Therefore,
keep the drive chain slack within the speci-
fied limits.
4-88
CHAIN DRIVE
the drive chain and