6-3-6 STARTING PULLEY and FLYWHEEL (magneto)
Remove | 3 piecesmountingboltstodetachstarting |
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pulley from flywheel. |
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Remove flywheel from crankshaft. |
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Insertasocketwrench | or boxwrenchintoan | 18mm |
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nut,and | give thewrenchasharpblowwithasoft |
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hammer. Remove nut and spring washer. |
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AttachflywheelpullertoflywheelasshowninFig. |
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becomes loose enough to be removed. |
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Disconnecthightensioncable | of ignitioncoilfrom |
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disconnectcableclipfromcrankcase,andplug,spark |
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then, remove ignition coil from crankcase |
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(6mm X 25mm screw X 2). |
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Remove cable clip from lighting coil cable, and detach lighting coil from crankcase (6mm | X 30mm screw x 2). |
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Remove breaker cover, and then remove contact breaker and condenser from crankcase. |
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In reassembly ; |
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Refer to |
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| and SPARKPLUG |
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1 ) Detachsparkplugfromcylinderhead. |
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2) Detach cylinder head and gasket from cylinder by loosening lOmm nut. |
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In reassembly; |
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1 ) Remove carbon from combustion chamber and | also remove dirt from the vicinity of cooling fins of cylinder head. | |||||
Check head face for distortion. Replace cylinder head, if needed. |
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2)Replacegasketwithnew | one. |
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3)Clamping torque of cylinder head is
NOTE: Leavespark plug detached temporarily to facilitate engine rotation duringtiming adjustment. When mounting
finally, tighten it 250-300 kg-cm (18-21.7 ft-lbs).
6-3-8 INTAKE and EXHAUST VALVE
Detachinnerandoutertappetcover fromcylinder block (6mm bolt x 2).
Detach retainer locks and valves by Lifting valve spring
using a valvespringretainer.Proceed in thesameway
bothforintake valve andexhaust valve. (Fig.
CA1JTION: DO NOT DAMAGE GASKET SURFACE OF
TAPPET CHAMBER WITH THE COMPRESSOR
TOOL.
Fig.
- 1 2-