Yamaha MBK MW125 2014 Service Manual

STARTER CLUTCH5-48EAS31236CHECKING THE STARTER WHEEL1. Check:• BearingDamage/wear → Replace.2. Check:• Starter clutch idle gear• Starter wheelBurrs/chips/roughness/wear → Replace thedefective part(s).3. Check:• Starter wheel’s contacting surfacesDamage/pitting/wear → Replace the starterwheel.EAS30306CHECKING THE STARTER CLUTCH1. Check:• Starter clutch operation▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼▼▼a. Install the starter wheel “1” onto the starterclutch “2” and hold the starter clutch.b. When turning the starter wheel counterclock-wise “A”, the starter clutch and the starterwheel should engage, otherwise the starterclutch is faulty and must be replaced.c. When turning the starter wheel clockwise “B”,it should turn freely, otherwise the starterclutch is faulty and must be replaced.▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲▲▲EAS31237CHECKING THE TIMING CHAIN1. Check:• Timing chainDamage/stiffness → Replace the timingchain and camshaft sprocket as a set.EAS31238CHECKING THE TIMING CHAIN GUIDE(INTAKE SIDE)1. Check:• Timing chain guide (intake side)Damage/wear → Replace.EAS30309INSTALLING THE STARTER CLUTCH1. Install:• Oil seal “1”(to the starter clutch cover)BA12Installed depth “a”1.0–1.5 mm (0.04–0.06 in)Newa1