Yamaha Mt 01 T 2005 Manual

							ENGINE REMOVAL
5-12
14 Engine bracket (rear upper side) 1
For installation, reverse the removal 
procedure.
Removing the engine
Order Job/Parts to remove Q’ty Remarks
T R..8 Nm (0.8 m • 
kg, 5.8 ft • Ib)
T R..8 Nm (0.8 m • 
kg, 5.8 ft • Ib)
T R..7 Nm (0.7 m • 
kg, 5.1 ft • Ib)
T R..53 Nm (5.3 m • 
kg, 38 ft • Ib)
E
E
T R..74 Nm (7.4 m • 
kg, 53 ft • lb)
2 1
3
10
1411
13
12
6
7
4
5
8
9
T R..74 Nm (7.4 m • 
kg, 53 ft • lb) 
						

							ENGINE REMOVAL
5-13
ET5YU1031REMOVING THE ENGINE
NOTE:
Pass a suitable rod through the hole in the swin-
garm pivot shaft and secure the rod to support 
the vehicle.
1. Loosen:
Down tube spacer bolts
Engine mounting spacer bolt (rear upper 
side)
Engine mounting spacer bolt (rear lower side)
NOTE:
Loosen the spacer bolts with the pivot shaft 
wrench “1”.
EAS23720INSTALLING THE ENGINE
1. Loosen:
Engine mounting spacer bolt (rear upper 
side) “1”
Down tube spacer bolts “2”
Engine mounting spacer bolt (rear lower 
side) “3”
2. Install:
Engine bracket (rear upper side) “4”
(with the ignition coils)
Engine bracket bolts (rear upper side) “5”3. Position the engine “6” under the vehicle for 
installation.
4. Install:
Engine “6”
Engine mounting bolt (rear upper side) “7”
Engine mounting bolt (rear lower side) “8”
Down tube “9”
Down tube bolts (front side) “10”
Down tube bolts (rear side) “11”
Down tube nut (rear side) “12”
(temporarily tighten)
Engine mounting bolt (front lower side) “13”
NOTE:
Do not fully tighten the bolts and nuts.
5. Tighten:
Down tube spacer bolt “2”
Engine mounting spacer bolt (rear lower 
side) “3”
Engine mounting spacer bolt (rear upper 
side) “1”
Down tube nut (rear side) “12”
NOTE:
Tighten the spacer bolts “1”, “2”, “3” to specifi-
cation with a pivot shaft wrench.
When tightened, the spacer bolts should be flat 
against the engine surface.
6. Install:
Down tube nut (front side) “14”
(temporarily tighten)
Engine mounting nut (rear lower side) “15”
(temporarily tighten)
Engine mounting nut (rear upper side) “16”
(temporarily tighten)
 
Pivot shaft wrench
90890-01485
Frame mount insert wrench
YM-01485
1
T R.. 
Down tube spacer bolt
8 Nm (0.8 m·kg, 5.8 ft·lb)
Engine mounting spacer bolt 
(rear lower side)
8 Nm (0.8 m·kg, 5.8 ft·lb)
Engine mounting spacer bolt 
(rear upper side)
8 Nm (0.8 m·kg, 5.8 ft·lb)
Down tube nut (rear side)
55 Nm (5.5 m·kg, 40 ft·lb)
 
Pivot shaft wrench
90890-01485
Frame mount insert wrench
YM-01485 
						

							ENGINE REMOVAL
5-14
NOTE:
Do not fully tighten the bolts and nuts.
7. Tighten:
Down tube nut (front side) “14”
Engine mounting nut (rear lower side) “15”
Engine mounting nut (rear upper side) “16”
Engine bracket nuts (rear upper side) “17”
8. Install:
Engine brackets (front upper side) “18”
Engine bracket bolts (front upper side) “19”
Engine mounting bolt (front upper side) “20”
Engine mounting nut (front lower side) “21”
(temporarily tighten)
Engine mounting nut (front upper side) “22”
(temporarily tighten)
Engine bracket nuts (front upper side) “23”
(temporarily tighten)
Engine bracket (left upper side) “24”
Engine bracket bolts (left upper side) “25”
(temporarily tighten)
Engine mounting bolts (left upper side) “26”
(temporarily tighten)
Engine bracket (right upper side) “27”
Engine bracket bolts (right upper side) “28”
(temporarily tighten)
Engine mounting bolt (right upper side) “29”
(temporarily tighten)
Engine mounting bolt (right upper side) “30”
(temporarily tighten)
NOTE:
Do not fully tighten the bolts and nuts.
9. Tighten:
Engine mounting nut (front lower side) “21”
Engine bracket nuts (front upper side) “23”
Engine mounting nut (front upper side) “22”
Engine bracket bolts (left upper side) “25”
Engine mounting bolts (left upper side) “26”
Engine bracket bolts (right upper side) “28”
Engine mounting bolts (right upper side) “29” 
and “30”
T R.. 
Down tube nut (front side)
74 Nm (7.4 m·kg, 53 ft·lb)
Engine mounting nut (rear lower 
side)
74 Nm (7.4 m·kg, 53 ft·lb)
Engine mounting nut (rear upper 
side)
74 Nm (7.4 m·kg, 53 ft·lb)
Engine bracket nut (rear upper 
side)
53 Nm (5.3 m·kg, 38 ft·lb)
T R.. 
Engine mounting nut (front lower 
side)
94 Nm (9.4 m·kg, 68 ft·lb)
Engine bracket nut (front upper 
side)
53 Nm (5.3 m·kg, 38 ft·lb)
Engine mounting nut (front upper 
side)
94 Nm (9.4 m·kg, 68 ft·lb)
Engine bracket bolt (left upper 
side)
53 Nm (5.3 m·kg, 38 ft·lb)
Engine mounting bolt (left upper 
side)
53 Nm (5.3 m·kg, 38 ft·lb)
Engine bracket bolt (right upper 
side)
53 Nm (5.3 m·kg, 38 ft·lb)
Engine mounting bolt (right 
upper side)
53 Nm (5.3 m·kg, 38 ft·lb)
1 16
7
4
15
3
17
5
8
6 
						

							ENGINE REMOVAL
5-15
25
10
11 2826
12
29
2714
30
26
24
2
21
19
18
1819
23 22
20
9
13 
						

							CAMSHAFTS
5-16
EAS23750
CAMSHAFTS
Removing the camshaft sprocket cover
Order Job/Parts to remove Q’ty Remarks
Engine Refer to “ENGINE REMOVAL” on page 5-1.
1 Spark plug 4
2 Timing mark accessing screw 1
3 Crankshaft end cover 1
4 Decompression solenoid cover 1
5 Camshaft sprocket cover 1
6 Camshaft sprocket cover gasket 1
7 Dowel pin 2
For installation, reverse the removal 
procedure.
LS
T R..18 Nm (1.8 m • 
kg, 13 ft • Ib)
T R..10 Nm (1.0 m • 
kg, 7.2 ft • Ib)
T R..10 Nm (1.0 m • 
kg, 7.2 ft • Ib)
T R..8 Nm (0.8 m • 
kg, 5.8 ft • Ib)
4
7
6
52 3 1 1
New (6)
New
New 
						

							CAMSHAFTS
5-17
Removing cylinder head covers
Order Job/Parts to remove Q’ty Remarks
1 Tappet cover bolt 4
2 Tappet cover 2
3O-ring 2
4 Cylinder head cover bolt 4 l = 60 mm (2.36 in)
5 Cylinder head cover bolt 2 l = 50 mm (1.97 in)
6 Cylinder head cover bolt 10 l = 50 mm (1.97 in)
7 Cylinder head cover bolt 12 l = 40 mm (1.57 in)
8 Rear cylinder head cover 1
9 Front cylinder head cover 1
10 Cylinder head cover gasket 2
11 Dowel pin 4
For installation, reverse the removal 
procedure.
T R..10 Nm (1.0 m • 
kg, 7.2 ft • Ib)
T R..10 Nm (1.0 m • 
kg, 7.2 ft • Ib)
New
New
New
New
LS
LS
7 7 7
777
7
81 11
22
33 4
4 5
5
7
4
6 6
6
6
7
11 6
6
4 6
6
66
7
9
10
10
1111
11
LT
T R..10 Nm (1.0 m • 
kg, 7.2 ft • Ib)
LTLT 
						

							CAMSHAFTS
5-18
Removing the push rods and rocker arms
Order Job/Parts to remove Q’ty Remarks
1 Rear rocker arm base assembly 1
2 Front rocker arm base assembly 1
3 Rocker arm base gasket 2
4 Dowel pin 4
5 Push rod 1 3 l = 288.5 mm (11.358 in) green painting
6 Push rod 2 1 l = 290.5 mm (11.437 in) yellow painting
7 Rear rocker arm base 1
8 Front rocker arm base 1
9 Rocker arm shaft 4
10 Rocker arm 1 2
11 Rocker arm 2 2
12 Locknut 4
13 Adjusting screw 4
For installation, reverse the removal 
procedure.
E
E
E
E
E
E
E
E
E
E
12
1310
12
13 11
9
6 57
34412
13
10
912
13
11
9
5 4
3New
New
1
2
8
T R..10 Nm (1.0 m • 
kg, 7.2 ft • Ib)
T R..24 Nm (2.4 m • 
kg, 17 ft • Ib)T R..20 Nm (2.0 m • 
kg, 14 ft • Ib) 
						

							CAMSHAFTS
5-19
Removing the valve lifters
Order Job/Parts to remove Q’ty Remarks
Front cylinderRefer to “CYLINDERS AND PISTONS” on 
page 5-41.
1 Push rod cover 2
2O-ring 4
3 Seal 2
4 Rear valve lifter case 1
5 Front valve lifter case 1
6 Valve lifter 4
For installation, reverse the removal 
procedure.
LTLT
LTLT
E
E
E
E
E
E
E
2
1
3
26
6 4
5
2
1
3
2
T R..10 Nm (1.0 m • 
kg, 7.2 ft • Ib)
T R..10 Nm (1.0 m • 
kg, 7.2 ft • Ib)
New
New
New
New
New
New
New
New
New
New 
						

							CAMSHAFTS
5-20
Removing the camshafts
Order Job/Parts to remove Q’ty Remarks
1 Decompression solenoid 1
2 Long decompression push rod 1 92 mm (3.6 in)
3 Short decompression push rod 1 78 mm (3.1 in)
4 Camshaft drive gear 1
5 Straight key 1
6 Camshaft driven gear 1
7 Straight key 1
8 Front cylinder camshaft end cover 1
9 Oil delivery pipe 1
10 Camshaft cover 1
11 Camshaft cover gasket 1
12 Dowel pin 2
13 Front cylinder camshaft 1
14 Rear cylinder camshaft 1
For installation, reverse the removal 
procedure.
LTLT
LTLT
1411 13 12
12109
63
2
7
4 5
8
1(6)
T R..10 Nm (1.0 m • 
kg, 7.2 ft • Ib)
T R..7 Nm (0.7 m • 
kg, 5.1 ft • Ib)
T R..7 Nm (0.7 m • 
kg, 5.1 ft • Ib)
T R..30 Nm (3.0 m • 
kg, 22 ft • Ib)
T R..52 Nm (5.2 m • 
kg, 37 ft • Ib)
New
M
M
LS
New 
						

							CAMSHAFTS
5-21
EAS23790REMOVING THE ROCKER ARMS, PUSH 
RODS AND VALVE LIFTERS
1. Align:
TDC mark “a” on the crankshaft position sen-
sor rotor
(with the pointer “b” on the clutch cover)



 





 
 








 
 



 
 



 



a. Turn the crankshaft counterclockwise.
b. When piston #1 is at TDC on the compres-
sion stroke, align the TDC mark “a” on the 
crankshaft position sensor rotor with the 
pointer “b” on the clutch cover.
c. Check the camshaft drive gear mark “c” posi-
tion and camshaft driven gear mark “d” posi-
tion as shown.
If the marks are not aligned, turn the crank-
shaft counterclockwise 360 degrees and re-
check step (b).
        
2. Remove:
Rocker arm bases
(with the rocker arms)
3. Remove:
Valve lifters
NOTE:
Make a note of the position of each valve lifter so 
that they can be installed in the correct place.
CAUTION:
EC5YU1015
Do not lay the removed valve lifter on its 
side.
EAS23830REMOVING THE CAMSHAFTS
1. Loosen:
Front cylinder camshaft end cover bolts “1”
Camshaft drive gear bolt “2”
NOTE:
Place a folded copper washer “3” between the 
teeth of the camshaft drive gear and camshaft 
driven gear in order to lock them.
Do not damage the teeth of the camshaft drive 
and camshaft driven gears.
2. Loosen:
Camshaft driven gear nut “1”
NOTE:
Place a folded copper washer “2” between the 
teeth of the camshaft drive gear and camshaft 
driven gear in order to lock them.
Do not damage the teeth of the camshaft drive 
and camshaft driven gears.
ba
d
c