Engine Removal And Assembly Procedure; Positioning No.1 Cylinder Top Dead Center (Compression) - Joyner JNSZ1600QL Owner's Manual

Engine removal and assembly procedure

1

. Positioning no.1 cylinder top dead center (compression)

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Fig.26
——Remove two M6 × 5 5 flange-shaped bolts, remove upper timing gear cover.
——Install a wrench on crankshaft pulley bolt, rotate crankshaft Clockwise (viewed from the direction of
pulley) until the TDC notch on crankshaft pulley aligns with the TDC mark (0) on timing gear cover.
： ，
Note B efore rotation
Fig.27
——Check whether the TDC mark on the camshaft gear aligns with the mark on the front end of cylinder
head. If not aligned, rotate crankshaft one turn
mark on the front end of cylinder head
pulley and lower timing gear removed
s park plugs may be removed to reduce effort.
， a ligning the TDC mark on the camshaft gear with the TDC
， e ngine should be at no.1 cylinder TDC . ——With crankshaft
，
p osition no.1 cylinder at TDC as following:
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