TOHATSU BFT75A - Page 368

14-9
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CYLINDER HEAD
INSTALLATION
Clean the cam drive sprocket [1] seat and the
crankshaft [2] in the part where it contacts the sprocket
seat thoroughly with the degreasing clean agent.
Install the special key [3] in the key groove [4] in the
crankshaft. Install the cam chain drive sprocket on the
crankshaft. Align the punch mark [5] on the cam chain
drive sprocket with the “ ” mark [6] on the crankcase.
Align the recess [1] in the cam chain driven sprocket
with the dowel pin [2] on the camshaft, and install the
cam chain driven sprocket on the camshaft.
Align the “-” marks [3] with the end of the cylinder head
with the “UP” mark [4] on the cam chain driven sprocket
toward the end of the cylinder head as shown.
Apply engine oil to the threads and seat of the bolt/
washer [5], and loosely tighten it on the camshaft.
[1]
[3]
[4]
[2]
[1]
[5]
[6]
[5]
[1]
[2]
[4]
[3]