Yamaha MBK MW125 2014 Service Manual

CYLINDER HEAD5-15d. While holding the camshaft, temporarily tight-en the camshaft sprocket bolt.e. Remove the wire from the timing chain.▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲▲▲3. Install:• Timing chain tensioner gasket• Timing chain tensioner▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼▼▼a. Remove the timing chain tensioner plug.b. While lightly pressing the timing chain ten-sioner rod by hand, turn the tensioner rod ful-ly clockwise with a thin screwdriver “1”.TIPMake sure that the tensioner rod has been fullyturned clockwise.c. Install the gasket and the timing chain ten-sioner “2” onto the cylinder.WARNINGEWA17620Always use a new gasket.TIP• Be sure to install the timing chain tensionergasket so that its projection “a” is protrudingfrom the rear left side of the timing chain ten-sioner.• Apply sealant to the threads of the timing chaintensioner bolts.d. Turn the timing chain tensioner rod counter-clockwise with a thin screwdriver “1”, makesure it releases, and then install the timingchain tensioner plug.▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲▲▲4. Turn:• Crankshaft(several turns clockwise)5. Check:• “I” mark “a”Make sure the “I” mark “a” on the AC magne-to rotor is aligned with the match mark “b” onthe right crankcase.• “I” mark “c”Make sure the “I” mark “c” on the camshaftsprocket is aligned with the match mark “d”on the camshaft stopper plate.Out of alignment → Correct.Refer to the installation steps above.6. Tighten:• Camshaft sprocket boltYamaha bond No. 121590890-85505(Three bond No.1215®)T R. .Timing chain tensioner bolt10 Nm (1.0 m·kgf, 7.2 ft·lbf)New1T R..Camshaft sprocket bolt30 Nm (3.0 m·kgf, 22 ft·lbf)12abad c