Yamaha 2007 FZ6-NA Service Manual

Contents

CAMSHAFTS5-13Damage/wear → Replace the defectivepart(s).EAS23970CHECKING THE TIMING CHAIN TEN-SIONER1. Check:• Timing chain tensionerCracks/damage → Replace.2. Check:• One-way camRough movement → Replace the timingchain tensioner assembly.▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼a. Lightly press the timing chain tensioner rodinto the timing chain tensioner housing byhand.NOTE:While pressing the timing chain tensioner rod,wind it clockwise with a thin screwdriver “1”until it stops.b. Remove the screwdriver and slowly releasethe timing chain tensioner rod.c. Make sure that the timing chain tensionerrod comes out of the timing chain tensionerhousing smoothly. If there is rough move-ment, replace the timing chain tensioner.▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲3. Check:• Timing chain tensioner cap bolt• Aluminum washer• GasketDamage/wear → Replace the defectivepart(s).EAS24010INSTALLING THE CAMSHAFTS1. Align:• “T” mark “a” on the pickup rotor(with the crankcase mating surface “b”)▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼a. Turn the crankshaft clockwise.b. When piston #1 is at TDC, align the “T”mark “a” with the crankcase mating surface“b”.▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲2. Install:• Exhaust camshaft “1”• Intake camshaft “2”(with the camshaft sprockets temporarilytightened)NOTE:Make sure the match mark “a” on the camshaftsprockets is aligned with the cylinder headedge “b”.NewNew