Yamaha YZF-R1B 2012 Service Manual

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Contents

CONNECTING RODS AND PISTONS5-83TIPFit the projection “a” of the piston installing tool“3” and blunt-edged part “b” of the cylinder, fixthe position of the piston installing tool, andthen push the piston down to the cylinder.10. Install:• Cylinder gasket• Dowel pin• Cylinder assembly• Connecting rod caps• Connecting rod boltsTIP• Make sure the “Y” marks “a” on the connect-ing rods face towards the left side of thecrankshaft.• Make sure that the projection “b” on the con-necting rod cap faces the same direction asthe “Y” mark “a” on the connecting rod.• Apply Molybdenum disulfide oil to the boltthreads and bearing surface of the connect-ing rod bolt and connecting rod cap.11. Tighten:• Connecting rod bolts “1”▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼TIPTighten the connecting rod bolts using the fol-lowing procedure.a. Tighten the connecting rod bolts with atorque wrench.b. Put a mark “1” on the corner of the con-necting rod bolt “2” and the connecting rodcap “3”.c. Tighten the connecting rod bolts further toreach the specified angle 145°–155°.New Connecting rod bolt (1st)20 Nm (2.0 m·kgf, 14 ft·lbf)Connecting rod bolt (final)Specified angle 145°–155°Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keysemail: info@motomatrix.co.uk