Yamaha 2007 FZ6-NA Service Manual

Contents

CAMSHAFTS5-143. 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:“I1”, “I2”: Intake side camshaft cap mark“E1”, “E2”: Exhaust side camshaft cap mark• Make sure the arrow mark “a” on each cam-shaft points towards the right side of theengine.4. Install:• Camshaft cap boltsNOTE:Tighten the camshaft cap bolts in stages andin a crisscross pattern, working from the innercaps out.CAUTION:ECA4S81016• Lubricate the camshaft cap bolts with theengine oil.• The camshaft cap bolts must be tightenedevenly or damage to the cylinder head,camshaft caps, and camshafts will result.• Do not turn the crankshaft when installingthe camshaft to avoid damage orimproper valve timing.5. Install:• Timing chain guide (exhaust side)NOTE:When installing the timing chain guide, be sureto keep the timing chain as tight as possible onthe exhaust side.6. Install:• Timing chain tensioner▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼a. While lightly pressing the timing chain ten-sioner rod by hand, turn the tensioner rodfully clockwise with a thin screwdriver “1”.b. With the timing chain tensioner rod turnedall the way into the timing chain tensionerhousing (with the thin screwdriver stillinstalled), install the gasket and the timingchain tensioner “2” onto the cylinder block.WARNINGEWA4S81008Always use a new gasket.c. Tighten the timing chain tensioner bolts “3”to the specified torque.d. Remove the screwdriver, make sure thetiming chain tensioner rod releases, andthen tighten the cap bolt to the specifiedtorque.Camshaft cap bolt10 Nm (1.0 m·kg, 7.2 ft·lb)Timing chain tensioner bolt12 Nm (1.2 m·kg, 8.7 ft·lb)Timing chain tensioner cap bolt7 Nm (0.7 m·kg, 5.1 ft·lb)