Yamaha YZF-R1 2007 Service Manual

CRANKSHAFT5-81d. Put a piece of Plastigauge® “2” on eachcrankshaft journal.NOTE:Do not put the Plastigauge® over the oil hole inthe crankshaft journal.e. Install the crankshaft journal lower bear-ings “1” into the lower crankcase andassemble the crankcase halves.NOTE:• Align the projections “a” of the crankshaftjournal lower bearings with the notches “b” inthe lower crankcase.• Do not move the crankshaft until the clear-ance measurement has been completed.f. Tighten the bolts to specification in thetightening sequence cast on the crankcase.M9 x 105 mm (4.1 in) bolts: “1”–“10”M8 x 60 mm (2.4 in) bolt: “11” LOCTITE®M8 x 60 mm (2.4 in) bolts: “12”, “16”M8 x 50 mm (2.0 in) bolts: “13”–“15”M6 x 65 mm (2.5 in) bolts: “17”, “18”M6 x 70 mm (2.8 in) bolts: “19”, “21”, “23”M6 x 50 mm (2.0 in) bolts: “20”, “26”M6 x 60 mm (2.4 in) bolt and washer: “22”M6 x 60 mm (2.4 in) bolts: “24”, “25”* Following the tightening order, loosen thebolt one by one and then retighten it to thespecific torque.NOTE:Lubricate the crankcase bolt threads withengine oil.Refer to "CRANKCASE" on page 5-65.g. Remove the lower crankcase and thecrankshaft journal lower bearings.h. Measure the compressed Plastigauge®width “c” on each crankshaft journal.If the crankshaft-journal-to-crankshaft-jour-nal bearing clearance is out of specifica-tion, select replacement crankshaft journalbearings.Crankcase boltBolt “1”–“10”1st: 20 Nm (2.0 m·kg, 14 ft·lb)2nd: 20 Nm (2.0 m·kg, 14 ft·lb)3rd: +60°Bolt “11”–“16”24 Nm (2.4m·kg, 17 ft·lb)Bolt “17”–“26”10 Nm (1.0m·kg, 7.2 ft·lb)Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keysemail: info@motomatrix.co.uk