Yamaha F50 Service Manual

							62Y3A117-32
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No. Part name Q’ty RemarksTightening torques
Stage N·mkgf·mft·lb
1 Upper case assembly 1
2 Nut 2 24 2.4 17
3 Nut 2 42 4.2 30
4 Washer 2
5Bolt 3 M8 ×
 30 mm
6 Upper mount 1
7Plate 1
8Bolt 2 M8 ×
 175 mm
9Cap 2
10 Bolt 2 M12 ×
 160 mm
11 Grommet 2
12 Ground lead 1
13 Screw 2
14 Mount cover 2
15 Bolt 4 M8 ×
 25 mm
16 Mount housing 2
17 Spring 4
18 Washer 2
19 Rubber washer 2
20 Lower mount 2
21 Washer 2
22 Grease nipple 1
Upper case 
						

							BRKTBracket unit
7-3362Y3A11 
						

							62Y3A117-34
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No. Part name Q’ty RemarksTightening torques
Stage N·mkgf·mft·lb
1 Muffler assembly 1
2 Upper case 1
3 Muffler seal 1
4 Rubber seal 1
5 Dowel pin 2
6Grommet 1
7 Guide 1 FT50C
8Damper 1
9 Screw 2 M5 ×
 16 mm
10 Baffle plate 1
11 Bolt 4 M8 ×
 30 mm
12 Drive shaft bushing 1
13 Circlip 1
Upper case 
						

							BRKTBracket unit
7-3562Y3A11
(F50/F50A, T50/FT50B) 
						

							62Y3A117-36
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No. Part name Q’ty RemarksTightening torques
Stage N·mkgf·mft·lb
1 Oil seal 1
Not reusable
2 Exhaust guide 1
3Grommet 1
4 Gasket 1
Not reusable
5 Dowel pin 2
6 Bolt 10 M6 ×
 25 mm
7Oil pan 1
8 Gasket 1
9 Exhaust manifold 1
10 Bolt 3 M6 ×
 50 mm
11 Gasket 1
Not reusable
12 Bolt 6 M6 ×
 25 mm
13 Muffler 1
14 Gasket 1
Not reusable
15 Pipe 1
16 Rubber seal 1
Not reusable
17 Gasket 1Not reusable
18 Relief valve housing 1
19 Bolt 2 M6 ×
 25 mm
20 Bolt 2 M6 ×
 16 mm
21 Bolt 1 M6 ×
 25 mm
22 Oil strainer 1
23 Relief valve 1
24 Spring 1
25 Cotter pin 1
Not reusable
Upper case 
						

							BRKTBracket unit
7-3762Y3A11
(FT50C) 
						

							62Y3A117-38
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No. Part name Q’ty RemarksTightening torques
Stage N·mkgf·mft·lb
1 Oil seal 1
Not reusable
2 Exhaust guide 1
3Grommet 1
4Grommet 1
5 Anode 1
6 Cover 1
7Bolt 1
8 Cover 1
9Bolt 1
10 Gasket 1
Not reusable
11 Dowel pin 2
12 Bolt 10 M6 ×
 25 mm
13 Oil pan 1
14 Gasket 1
Not reusable
15 Exhaust manifold 1
16 Bolt 1 M6 ×
 45 mm
17 Gasket 1
Not reusable
18 Gasket 1Not reusable
19 Bolt 6 M6 ×
 25 mm
20 Muffler 1
21 Gasket 1
Not reusable
22 Pipe 1
23 Rubber seal 1
Not reusable
24 Gasket 1Not reusable
25 Relief valve housing 1
26 Bolt 2 M6 ×
 25 mm
27 Bolt 2 M6 ×
 16 mm
28 Bolt 1 M6 ×
 25 mm
29 Oil strainer 1
30 Relief valve 1
31 Spring 1
32 Cotter pin 1
Not reusable
Upper case 
						

							BRKTBracket unit
7-3962Y3A11
Disassembling the oil pan
1. Remove the muffler 1
 from the oil pan
2
.
2. Remove the exhaust manifold 3
 from
the oil pan 2
.
3. Remove the oil pan 2
 from the exhaust
guide 4
.
4. Remove the oil strainer 5
 and the relief
valve housing 6
.
È FT50C
Checking the oil strainer and the 
relief valve
1. Check the oil strainer and relief valve for
dirt and residue. Clean if necessary.
Assembling the oil pan
1. Install the gaskets onto the exhaust
guide 1
.
2. Install the relief valve assembly 2
 by
installing the bolts, then tightening them
finger tight.
3. Install the oil strainer 3
 by installing the
bolts. 
						

							62Y3A117-40
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4. Install the water pipe 4
.
5. Install the oil pan 5
 and bolts, and then
tighten the bolts finger tight.
6. Install the exhaust manifold 6
 and bolts,
and then tighten the bolts finger tight.
È FT50C
7. Tighten the exhaust manifold bolts 7
,
then the oil pan bolts 8
.8. Install the muffler 9
 into the oil pan.
S62Y7245
7
8
Upper case 
						

							BRKTBracket unit
7-4162Y3A11
9. Install the muffler assembly 0
 by insert-
ing the tip of the water pipe 4
 into the
joint hole a
 of the upper case.
Installing the upper case
1. Install the upper mount 1
 and bolts 2
into the upper case, and then tighten the
bolts 3
.
2. Set the lower mounts 4
 and bolts to the
upper case.
3. Install the end of the spring 5
 into the
groove of the mount housing 6
, and
then tighten the bolts 7
.NOTE:
Be sure to install the ground lead 8
 into the
mount housing 6
.