42
6.21.2
Compression
6.21.3
Ignition
Check the ignition
The engine compression is sufficient
Make the bike inspect by your dealer
Loss of compression
Kick-start the bike
The engine does not start
Make it inspect by your dealer
Turn an half of the throttle
Then kick-start
Wipe with a dry duster
Adjust the electrodes distance
damp
Make it check by your dealer
Dry
Remove the spark plug
Check the electrodes
Summary of Contents for 2008 SY-250FR 15thA
Page 1: ......
Page 3: ......
Page 4: ......
Page 54: ......
Page 57: ......
Page 61: ...4 1 Glossary ...
Page 64: ...7 3 Camshafts 3 1 Cylinder head cover ...
Page 65: ...8 3 2 Camshafts ...
Page 66: ...9 3 3 Removal points 3 3 1 Camshafts ...
Page 67: ...10 ...
Page 68: ...11 3 4 Inspection 3 4 1 Camshafts ...
Page 69: ...12 ...
Page 70: ...13 3 4 2 Camshaft sprocket 3 4 3 Decompression system 3 4 4 Timing chain tensioner ...
Page 71: ...14 3 5 Assembly and installation 3 5 1 Camshaft ...
Page 72: ...15 ...
Page 73: ...16 ...
Page 74: ...17 4 Cylinder head 4 1 Removal points ...
Page 75: ...18 4 2 Inspection ...
Page 76: ...19 4 3 Assembly and installation 4 3 1 Cylinder head ...
Page 77: ...20 5 Valves and valves springs ...
Page 78: ...21 5 1 Removal points 5 1 1 Valve lifter and valve cotter ...
Page 79: ...22 5 2 Inspection 5 2 1 Valves ...
Page 80: ...23 ...
Page 81: ...24 ...
Page 82: ...25 ...
Page 83: ...26 5 2 2 Valve spring 5 2 3 Valve lifter ...
Page 84: ...27 5 3 Valve clearance inspection and adjustment ...
Page 85: ...28 ...
Page 86: ...29 ...
Page 87: ...30 ...
Page 88: ...31 ...
Page 89: ...32 5 4 Assembly and installation 5 4 1 Valve and valve spring ...
Page 90: ...33 ...
Page 91: ...34 6 Cylinder and piston ...
Page 92: ...35 6 1 Removal points 6 1 1 Piston and piston ring ...
Page 93: ...36 6 2 Inspection 6 2 1 Cylinder and piston ...
Page 94: ...37 ...
Page 95: ...38 6 2 2 Piston ring ...
Page 96: ...39 6 3 Piston pin ...
Page 97: ...40 6 4 Assembly and installation 6 4 1 Piston ring and piston ...
Page 98: ...41 6 5 Cylinder ...
Page 99: ...42 7 Clutch ...
Page 100: ...43 ...
Page 102: ...45 7 2 3 Clutch spring 7 2 4 Friction plate 7 2 5 Clutch plate 7 2 6 Push lever shaft ...
Page 103: ...46 7 2 7 Push rod 7 3 Assembly and installation 7 3 1 Push lever shaft ...
Page 104: ...47 7 3 2 Clutch ...
Page 105: ...48 ...
Page 106: ...49 ...
Page 107: ...50 8 Oil filter element water pump and right crankcase cover ...
Page 108: ...51 ...
Page 109: ...52 8 1 Removal points 8 1 1 Impeller shaft 8 1 2 Oil seal ...
Page 111: ...54 8 2 5 Oil seal 8 3 Assembly and installation 8 3 1 Oil seal 8 3 2 Impeller shaft ...
Page 112: ...55 8 3 3 Right crankcase cover ...
Page 113: ...56 8 3 4 Kickstarter crank ...
Page 114: ...57 8 3 5 Water pump housing 8 3 6 Oil filter element ...
Page 115: ...58 9 Balancer ...
Page 117: ...60 9 2 2 Balancer ...
Page 119: ...62 10 Oil pump ...
Page 120: ...63 ...
Page 121: ...64 10 1 Inspection 10 1 1Oil pump ...
Page 122: ...65 10 2 Assembly and installation 10 2 1oil pump ...
Page 123: ...66 ...
Page 124: ...67 11 Kick shaft and shift shaft ...
Page 125: ...68 ...
Page 128: ...71 11 3 Assembly and installation 11 3 1Segment 11 3 2Stopper lever ...
Page 129: ...72 11 3 3Shift guide and shift lever assembly ...
Page 130: ...73 11 3 4Shift shaft 11 3 5Kick shaft assembly ...
Page 131: ...74 11 3 6Kick idle gear ...
Page 132: ...75 12 AC Magneto ...
Page 133: ...76 12 1 Removal points 12 1 1Rotor 12 2 Inspection 12 2 1AC Magneto 12 2 2Woodruff key ...
Page 134: ...77 12 3 Assembly and installation 12 3 1AC Magneto ...
Page 135: ...78 ...
Page 136: ...79 13 Crankcase and crankshatf ...
Page 137: ...80 ...
Page 138: ...81 13 1 Crankcase bearing ...
Page 139: ...82 13 2 Removal points 13 2 1Crankcase ...
Page 141: ...84 13 3 2Crankcase 13 3 3Crankshaft ...
Page 143: ...86 13 4 2Cranshaft ...
Page 144: ...87 ...
Page 145: ...88 ...
Page 146: ...89 14 Transmission ...
Page 147: ...90 14 1 Removal points 14 1 1Transmission 14 2 Inspection 14 2 1Gears ...
Page 148: ...91 14 2 2Bearing 14 2 3Shift fork shift cam and segment ...
Page 149: ...92 14 3 Assembly and installation 14 3 1Transmission ...
Page 150: ...93 ...
Page 151: ...94 ...
Page 153: ......
Page 157: ...5 2 Plastics ...
Page 165: ...13 9 Front brake ...
Page 167: ...15 10 Rear brake ...
Page 169: ...17 11 Steering ...
Page 177: ...25 17 Frame ...
Page 179: ......
Page 181: ...2 1 Electrical 1 1 Wiring diagram ...
Page 182: ...3 1 2 Spark gap test 1 3 Leads and ignition coil connection inspection ...
Page 183: ...4 1 4 Ignition coil inspection ...