REASSEMBLY OF BASIC ENGINE
7-2
1. Reassembling piston, connecting rod, crankshaft and crankcase
1.1 Installing tappet
(1)
Apply the engine oil to the tappet, and insert it to the
tappet hole on the crankcase.
(2) Make sure that the tappet rotates smoothly.
Installing tappet
1.2 Installing main bearing
(1)
Install the main bearings (upper and lower) with
aligning lug groove of the crankcase and main bearing
cap.
Note: Install the bearing with groove to the crankcase, and
install the bearing without groove to the main bearing
cap.
(2) Install the flange main bearing to the rearmost
crankcase mating surface.
(3) Apply a small amount of engine oil to each bearing.
Installing main bearing
1.3 Installing crankshaft
(1)
Wash the crankshaft thoroughly with cleaning oil and
dry it completely by compressed air.
Note: When washing the crankshaft, clean the inside of the
oil holes completely and make sure that no foreign
substances or dirt is present.
(2) Hold the crankshaft horizontally and slowly install it to
the crankcase.
(3) Apply a small quantity of engine oil to the crankshaft
journals.
Installing crankshaft
Apply engine oil
Apply engine oil.
Lug
groove
Bearing No.4
(with flange)
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