POWR
61U5H11
Power unit
Power unit ..................................................................................................... 5-1
Checking the compression pressure ....................................................... 5-1
Disassembling the manual starter (MH, WH) ........................................ 5-14
Checking the spiral spring (MH, WH) .................................................... 5-15
Checking the drive pawl (MH, WH) ....................................................... 5-15
Checking the starter rope (MH, WH) ..................................................... 5-15
Assembling the manual starter (MH, WH) ............................................. 5-15
Removing the power unit ....................................................................... 5-17
Removing the flywheel magnet ............................................................. 5-19
Removing the electrical component ........................................................5-20
Intake manifold ........................................................................................... 5-22
Removing the intake manifold ............................................................... 5-24
Checking the reed valve ........................................................................ 5-24
Exhaust cover ............................................................................................ 5-25
Removing the exhaust cover ................................................................. 5-26
Checking the exhaust cover .................................................................. 5-26
Checking the PCV ................................................................................. 5-26
Installing the PCV ....................................................................................5-26
Cylinder head ............................................................................................. 5-27
Removing the cylinder head .................................................................. 5-29
Checking the cylinder head ................................................................... 5-29
Crankcase ................................................................................................... 5-31
Removing the crankcase ....................................................................... 5-34
Disassembling the bearing housing.........................................................5-34
Disassembling the oil seal housing ....................................................... 5-35
Removing the piston, connecting rod assembly and crankshaft
assembly .............................................................................................. 5-35
Disassembling the piston and connecting rod assembly ...................... 5-35
Checking the bearing ............................................................................ 5-35
Disassembling the crankshaft ............................................................... 5-36
Checking the piston diameter ................................................................ 5-36
Checking the cylinder bore .................................................................... 5-37
Checking the piston clearance .............................................................. 5-37
61U5H11_05_1 06.2.10 17:22 Page 2
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Страница 1: ...115B SERVICE MANUAL 61U 28197 5H 11 140B E115A E115A 115B 140B ...
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Страница 79: ...61U5H11 4 18 9 8 7 6 5 4 3 2 1 MEMO ...
Страница 136: ...POWR 5 55 61U5H11 Power unit MEMO ...
Страница 159: ...61U5H11 6 22 9 8 7 6 5 4 3 2 1 Shimming Shimming 6G46090E T3 M3 M4 M1 M2 T1 T2 F R P ...
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Страница 256: ...YAMAHA MOTOR CO LTD Printed in Japan Oct 2005 1 2 1 E_1 Printed on recycled paper E115A 115B 140B ...