Yamaha FZ1-N Service Manual

Contents

CAMSHAFTS5-16EAS24000INSTALLING THE CAMSHAFTS1. Align:• “T” mark “a” on the pickup rotor(with the crankcase mating surface “b”)▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼a. Turn the crankshaft clockwise.b. When position #1 is at TDC, align the “T”mark “a” with the crankcase mating surface“b”.▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲2. Install:• Intake camshaft sprocket “1”• Exhaust camshaft sprocket “2”(with the camshaft sprockets temporarilytightened)NOTE:Install the camshaft sprockets as a illustration.3. Install:• Exhaust camshaft “1”• Intake camshafts “2”(with the camshaft sprockets temporarilytightened)NOTE:Make sure the punch mark “a” on each cam-shaft faces up.4. Install:• Dowel pins• Intake camshaft caps• Exhaust camshaft capsNOTE:• Make sure each camshaft cap is installed inits original place. Refer to the identificationmarks as follows:“I”: Intake side camshaft cap mark“E”: Exhaust side camshaft cap mark“L”: Left side camshaft cap mark“R”: Right side camshaft cap mark• Make sure the arrow mark “a” on each cam-shaft points towards the right side of theengine.5. Install:• Camshaft cap boltsNOTE:Tighten the camshaft cap bolts in stages andin a crisscross pattern, working from the innercaps out.CAUTION:EC2D1001• Lubricate the camshaft cap bolts with theengine oil.Camshaft cap bolt10 Nm (1.0 m·kg, 7.2 ft·lb)