CAMSHAFT
5-11
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EAS32D1001
CHECKING THE DECOMPRESSION
SYSTEM
1. Check:
●
Decompression system
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a. Check that the decompressor lever pin “1”
projects from the camshaft.
b. Check that the decompressor cam “2” moves
smoothly.
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EAS24000
INSTALLING THE CAMSHAFTS
1. Install:
●
Exhaust camshaft “1”
●
Intake camshaft “2”
NOTE:
●
Stamp line “a” of the camshaft sprocket must
locate in the position as shown.
●
Temporarily tighten the camshaft sprocket
bolts.
2. Install:
●
Intake camshaft sprocket
●
Exhaust camshaft sprocket
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a. Turn the crankshaft counterclockwise.
b. When piston is at TDC on the compression
stroke, align the mark “a” on the generator ro-
tor with the mark “b” on the crankcase cover.
c. Install the timing chain onto both camshaft
sprockets and then install the exhaust cam-
shaft onto the cylinder head first.
NOTE:
Locate mark “c” of exhaust system camshaft
chain sprocket “1” and mark “d” of intake system
camshaft chain sprocket “2” in the same position
at the end of cylinder head as shown. This is the
Top Dead Center (TDC).
CAUTION:
ECA13740
Do not turn the crankshaft when installing
the camshaft(s) to avoid damage or improp-
er valve timing.
Camshaft sprocket bolt
24 Nm (2.4 m•kg, 17 ft•lb)
4
3
c
d
1
2
T
R
.
.
1
2
a
a
b
a
Содержание WR250R
Страница 1: ...SERVICE MANUAL WR250RX C 2008 32C 28197 10 WR250XX C LIT 11616 21 66 ...
Страница 2: ......
Страница 8: ......
Страница 33: ...ENGINE SPECIFICATIONS 2 8 Oil temperature 60 0 C 140 00 F Throttle cable free play 3 0 5 0 mm 0 12 0 20 in ...
Страница 39: ...ELECTRICAL SPECIFICATIONS 2 14 Spare fuse 15 0 A Spare fuse 10 0 A Spare fuse 7 5 A ...
Страница 49: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 24 ...
Страница 52: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 27 ...
Страница 54: ...COOLING SYSTEM DIAGRAMS 2 29 EAS20420 COOLING SYSTEM DIAGRAMS 8 5 1 2 3 4 6 7 9 ...
Страница 56: ...CABLE ROUTING 2 31 EAS20430 CABLE ROUTING ...
Страница 58: ...CABLE ROUTING 2 33 ...
Страница 60: ...CABLE ROUTING 2 35 ...
Страница 62: ...CABLE ROUTING 2 37 ...
Страница 64: ...Front rear brake hose 2 39 Front rear brake hose ...
Страница 66: ...Throttle body 2 41 Throttle body ...
Страница 68: ...Canister for California 2 43 Canister for California 5mm 0 20 in 4 5 ...
Страница 70: ...Canister for California 2 45 ...
Страница 106: ...ELECTRICAL SYSTEM 3 34 a b a b ...
Страница 107: ...ELECTRICAL SYSTEM 3 35 ...
Страница 108: ...ELECTRICAL SYSTEM 3 36 ...
Страница 116: ...FRONT WHEEL 4 6 1 ...
Страница 223: ...OIL PUMP AND BALANCER GEAR 5 49 6 Install Be sure to bend the lock washer tab along to the nut side face 1 2 3 a ...
Страница 229: ...GENERATOR AND STARTER CLUTCH 5 55 1 2 ...
Страница 244: ...TRANSMISSION 5 70 ...
Страница 254: ...WATER PUMP 6 9 ...
Страница 258: ...FUEL TANK 7 3 1 ...
Страница 263: ...THROTTLE BODIES 7 8 ...
Страница 264: ...AIR INDUCTION SYSTEM 7 9 EAS27040 AIR INDUCTION SYSTEM 2 1 3 4 ...
Страница 265: ...AIR INDUCTION SYSTEM 7 10 1 Air filter case 2 Air induction system hose 3 Air cut off valve 4 Air induction system pipe ...
Страница 271: ......
Страница 272: ...IGNITION SYSTEM 8 1 EAS27090 IGNITION SYSTEM EAS27100 CIRCUIT DIAGRAM ...
Страница 276: ...ELECTRIC STARTING SYSTEM 8 5 EAS27160 ELECTRIC STARTING SYSTEM EAS27170 CIRCUIT DIAGRAM ...
Страница 282: ...CHARGING SYSTEM 8 11 EAS27200 CHARGING SYSTEM EAS27210 CIRCUIT DIAGRAM ...
Страница 283: ...CHARGING SYSTEM 8 12 1 AC magneto 2 Rectifier regulator 4 Battery 5 Main fuse ...
Страница 285: ...CHARGING SYSTEM 8 14 ...
Страница 286: ...LIGHTING SYSTEM 8 15 EAS27240 LIGHTING SYSTEM EAS27250 CIRCUIT DIAGRAM ...
Страница 289: ...LIGHTING SYSTEM 8 18 ...
Страница 290: ...SIGNALING SYSTEM 8 19 EAS27270 SIGNALING SYSTEM EAS27280 CIRCUIT DIAGRAM ...
Страница 295: ...SIGNALING SYSTEM 8 24 ...
Страница 296: ...COOLING SYSTEM 8 25 EAS27300 COOLING SYSTEM EAS27310 CIRCUIT DIAGRAM ...
Страница 299: ...COOLING SYSTEM 8 28 ...
Страница 300: ...FUEL INJECTION SYSTEM 8 29 EAS27330 FUEL INJECTION SYSTEM EAS27340 CIRCUIT DIAGRAM ...
Страница 326: ...FUEL PUMP SYSTEM 8 55 EAS27580 FUEL PUMP SYSTEM EAS27590 CIRCUIT DIAGRAM ...
Страница 329: ...FUEL PUMP SYSTEM 8 58 ...
Страница 330: ...ELECTRICAL COMPONENTS 8 59 EAS27971 ELECTRICAL COMPONENTS EAS32D1011 2 3 4 7 5 8 10 12 1 11 6 9 13 ...
Страница 332: ...ELECTRICAL COMPONENTS 8 61 2 3 4 9 5 10 14 13 1 6 7 11 12 15 8 ...
Страница 334: ...ELECTRICAL COMPONENTS 8 63 EAS27980 CHECKING THE SWITCHES 7 9 8 11 10 4 2 3 5 6 1 ...
Страница 358: ...TROUBLESHOOTING 9 5 ...
Страница 360: ......
Страница 361: ......
Страница 362: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...