TOHATSU BFT 250A, Руководство по обслуживанию

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15-9
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CYLINDER BLOCK
Remove the two bolts (8 x 50 mm) [1], bolt (8 x 75 mm)
[2], VTEC spool valve [3], and VTEC spool valve filter
[4].
Remove the seven bolts (6 x 35 mm) [5], crankcase
upper cover [6], oil hole gasket [7], oil pipe joint [8] and
two dowel pins [9].
Remove the O-ring (18.3 x 3.5 mm) [10], O-ring (16.3 x
3.5 mm) [11] from the oil pipe joint.
Remove the oil seal [12] from the crankcase upper
cover.
Remove the eight bolts (6 x 22 mm) [1], oil seal case
[2], O-ring (26.2 x 2.4 mm) [3] and two dowel pins [4].
Remove the oil seal [5] from oil seal case.
Set the piston at BDC for each cylinder.
Remove the two connecting rod bolts [1] and remove
the connecting rod bearing cap [2].
• To avoid mix up during reassembly, mark each
piston/connecting rod assembly with its cylinder
number.
• Check the connecting bearing for damage (scores,
scratches, etc.) and replace it with a new one if
necessary.
Remove the connecting rod bearing [3].
[2]
[3]
[5]
[6]
[1]
[4]
[7]
[8] [11] [10]
[12]
[9]
[4]
[3]
[5]
[1]
[2]
[2]
[3]
[1]