TOHATSU BFT 250A, Service Manual

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SERVICE INFORMATION
FRAME
GEAR CASE
Industrial parts cleaner
solution (mixture of the
Threebond
®
2720C and water
in a ratio of 1:9)
Each oil seal and water seal outer surface
Marine grease (water resistant
urea based grease)
Each oil seal and water seal lip
Water tube grommet entire circumference
Exhaust manifold/water jacket cover O-ring
Exhaust guide/mount case O-ring and guide seal part
Flush valve cover O-ring
Mount case water seal (22 x 35 x 7 mm) lip and adjacent
area
Relief valve spacer O-ring
Material Location Remarks
Material Location Remarks
Marine grease (water resistant
urea based grease)
Propeller shaft threads and spline
Propeller shaft water seal (30 x 45 x 7 mm) lip and between
seals
Propeller shaft holder gear case seating surface and O-ring
installation part
Propeller shaft holder O-ring circumference
Vertical shaft engine side spline
Vertical shaft water seal (26 x 42 x 7 mm) lip and mating
surface
Water pump housing O-ring
O-ring (65.4 x 2.4 mm)
Thrust bearing (85 x 110 x 4 mm)
Water pump O-ring
Pump liner inner surface
Water tube seal ring inner wall
Extension case grommet inner surface
Water tube insertion part
Vertical shaft bushing inside
Shift rod water seal lip
Shift rod holder O-ring circumference
Industrial parts cleaner
solution (mixture of the
Threebond ® 2720C and water
in a ratio of 1:9)
Propeller shaft water seal (30 x 45 x 7 mm) outer
circumference
Vertical shaft water seal (26 x 42 x 7 mm) outer
circumference
Shift rod water seal (12 x 21 x 6 mm) outer circumference
Hypoid gear oil SAE #90 Bearing (32 x 65 x 26 mm)
Gear case
1,467 cc
Bearing holder threads and seating surface
Needle bearing (30.5 x 47 x 37 mm) outer circumference
Taper bearing (60 x 100 x 30 mm) outer race, inner race
inner surface, roller part
Taper bearing (32 x 66 x 49 mm) outer race inner surface,
inner race inner surface, roller part
Ball bearing (55 x 100 x 21 mm) circumference
Needle bearing (32 x 42 x 30 mm) circumference
Drain plug bolt O-ring
Oil check bolt O-ring
Vertical shaft taper bearing insertion part
Thrust bearing (50 x 72 x 4.5 mm)
Thrust bearing F