CYLINDER HEAD (YP250R)
5-71
EAS24230
INSTALLING THE CYLINDER HEAD
1. Tighten:
• Cylinder head nuts “1”
• Cylinder head bolts “2”
TIP
• Lubricate the cylinder head nuts and washers
with engine oil.
• Tighten the cylinder head nuts and bolts in the
proper tightening sequence as shown and
torque them in two stages.
2. Install:
• Dowel pin “1”
• Camshaft sprocket “2”
• Timing chain “3”
• Camshaft sprocket plate
• Washer
• Camshaft sprocket bolt
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a. Turn the primary sheave nut on the left side
of the crankshaft counterclockwise to turn the
crankshaft.
b. Align the “I” mark “a” on the generator rotor
with the stationary pointer “b” on the genera-
tor cover.
c. Align the “I” mark “c” on the camshaft sprock-
et with the stationary pointer “d” on the cylin-
der head.
d. Install the timing chain onto the camshaft
sprocket, and then install the camshaft
sprocket onto the camshaft.
TIP
• When installing the camshaft sprocket, be sure
to keep the timing chain as tight as possible on
the exhaust side.
• Align the dowel pin “1” on the camshaft with the
slot in the camshaft sprocket.
NOTICE
ECA37P1009
Do not turn the crankshaft when installing
the camshaft to avoid damage or improper
valve timing.
e. Install the camshaft sprocket plate and cam-
shaft sprocket bolt.
f. While holding the primary sheave nut, tempo-
rarily tighten the camshaft sprocket bolt.
g. Remove the wire from the timing chain.
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3. Install:
• Timing chain tensioner gasket
• Timing chain tensioner
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a. Remove the timing chain tensioner cap bolt
“1” and spring “2”.
b. Release the timing chain tensioner one-way
cam “3” and push the timing chain tensioner
rod “4” all the way into the timing chain ten-
sioner housing.
T
R
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Cylinder head nut
22 Nm (2.2 m·kgf, 16 ft·lbf)
T
R
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Cylinder head bolt
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
New
Содержание YP125R
Страница 1: ...SERVICE MANUAL 2010 37P F8197 E0 YP125R YP250R...
Страница 6: ......
Страница 8: ......
Страница 28: ...SPECIAL TOOLS 1 19...
Страница 30: ...COOLING SYSTEM DIAGRAMS YP250R 2 73 CABLE ROUTING YP250R 2 75...
Страница 31: ......
Страница 45: ...ELECTRICAL SPECIFICATIONS YP125R 2 14 Spare fuse 15 0 A Spare fuse 10 0 A Spare fuse 5 0 A Spare fuse 7 5 A...
Страница 55: ...LUBRICATION POINTS AND LUBRICANT TYPES YP125R 2 24...
Страница 56: ...LUBRICATION SYSTEM DIAGRAMS YP125R 2 25 EAS37P1139 LUBRICATION SYSTEM DIAGRAMS YP125R 1 2 3 4 5 3...
Страница 57: ...LUBRICATION SYSTEM DIAGRAMS YP125R 2 26 1 Camshaft 2 Crankshaft 3 Oil pump 4 Oil filter 5 Oil strainer...
Страница 58: ...COOLING SYSTEM DIAGRAMS YP125R 2 27 EAS37P1128 COOLING SYSTEM DIAGRAMS YP125R B A B A 4 3 3 2 2 1 3 4 5 2 6 7 6...
Страница 62: ...CABLE ROUTING YP125R 2 31 Front fork front view A 1 1 1 1 2 2 2 3 4 5 6 7...
Страница 66: ...CABLE ROUTING YP125R 2 35 Engine right side view A 7 3 2 2 2 1 3 4 5 6 7...
Страница 70: ...CABLE ROUTING YP125R 2 39 Engine left side view 2 1 3 4 A 3...
Страница 72: ...CABLE ROUTING YP125R 2 41 Handlebar top view A 1 2 3 4 4 5 6 7 8 9 10 11 12 13 14 15 16 17...
Страница 76: ...CABLE ROUTING YP125R 2 45 Tail brake light top view 2 1 3 4 B A 1 5 6...
Страница 92: ...ELECTRICAL SPECIFICATIONS YP250R 2 61 Spare fuse 15 0 A Spare fuse 10 0 A Spare fuse 5 0 A Spare fuse 7 5 A...
Страница 96: ...TIGHTENING TORQUES YP250R 2 65 Cylinder head tightening sequence Muffler tightening sequence 2 3 1...
Страница 103: ...LUBRICATION POINTS AND LUBRICANT TYPES YP250R 2 72...
Страница 104: ...COOLING SYSTEM DIAGRAMS YP250R 2 73 EAS20420 COOLING SYSTEM DIAGRAMS YP250R A A 4 3 3 2 2 1 3 4 5 2 6 7...
Страница 108: ...CABLE ROUTING YP250R 2 77 Front fork front view 1 1 2 3 4 5 6 7 1 2 A 1 2...
Страница 112: ...CABLE ROUTING YP250R 2 81 Engine right side view A 7 3 2 2 2 1 3 4 5 6 7 8 B...
Страница 116: ...CABLE ROUTING YP250R 2 85 Engine left side view 2 1 3 4 5 6 B A 3 7...
Страница 118: ...CABLE ROUTING YP250R 2 87 Handlebar top view A 1 2 3 4 4 5 6 7 8 8 9 10 11 12 13 14 15 16 17...
Страница 120: ...CABLE ROUTING YP250R 2 89 Throttle body top view 3 3 1 2 3 A 6 7 8 8 9 13 C B D 11 10 10 11 4 5 4 4 4 4 4 12 12 12...
Страница 122: ...CABLE ROUTING YP250R 2 91 Tail brake light top view 2 1 3 4 B A 1 5 6 8 7...
Страница 124: ...CABLE ROUTING YP250R 2 93...
Страница 127: ......
Страница 172: ...ELECTRICAL SYSTEM 3 45...
Страница 175: ......
Страница 240: ...REAR SHOCK ABSORBER ASSEMBLIES AND SWINGARM 4 65...
Страница 245: ......
Страница 305: ...CRANKSHAFT YP125R 5 60 a 1...
Страница 366: ...CRANKSHAFT YP250R 5 121...
Страница 394: ...THROTTLE BODY 7 11...
Страница 397: ......
Страница 409: ...CHARGING SYSTEM 8 12 1 AC magneto 3 Rectifier regulator 12 Battery 13 Main fuse 17 Frame ground...
Страница 411: ...CHARGING SYSTEM 8 14...
Страница 423: ...SIGNALING SYSTEM 8 26...
Страница 427: ...COOLING SYSTEM 8 30...
Страница 453: ...FUEL INJECTION SYSTEM 8 56...
Страница 457: ...FUEL PUMP SYSTEM 8 60...
Страница 466: ...IMMOBILIZER SYSTEM 8 69 a Light on b Light off...
Страница 467: ...IMMOBILIZER SYSTEM 8 70...
Страница 495: ......
Страница 496: ...YAMAHA MOTOR ESPA A S A...