Yamaha YZF-R1B 2012 Service Manual

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Contents

CHAIN DRIVE4-88b. After riveting, make sure the diameterbetween the edges “b” of the connectingpin “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”, is16.3–16.5 mm (0.64–0.65 in).▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲2. Lubricate:• Drive chain3. Install:• Drive sprocket “1”• Washer “2”• Drive sprocket nut “3”TIP• While applying the rear brake, tighten thedrive sprocket nut.• Stake the drive sprocket nut at cutouts, “a” inthe drive axle.ECA14300Never install a new drive chain onto worndrive chain sprockets; this will dramaticallyshorten the drive chain’s life.4. Adjust:• Drive chain slackRefer to “ADJUSTING THE DRIVECHAIN SLACK” on page 3-21.ECA13550A drive chain that is too tight will overloadthe engine and other vital parts, and onethat is too loose can skip and damage theswingarm or cause an accident. Therefore,keep the drive chain slack within the speci-fied limits.Recommended lubricantChain lubricant suitable for O-ring chainsDrive sprocket nut85 Nm (8.5 m·kgf, 61 ft·lbf)LOCTITE®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 the drive chain andsprocket)20.0–30.0 mm (0.79–1.18 in)Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keysemail: info@motomatrix.co.uk