Yamaha Yzf R1 2007 Manual

							ENGINE REMOVAL
5-1
EAS23710
ENGINE REMOVAL
Removing the drive sprocket
Order Job/Parts to remove Q’ty Remarks
Lower cowlings Refer to GENERAL CHASSIS on page 4-1.
Drive chainLoosen.
Refer to ADJUSTING THE DRIVE CHAIN 
SLACK on page 3-26.
1 Locknut 2
2 Shift rod 1
3Sift arm 1
4 Drive sprocket cover 1
5 Drive sprocket nut 1
6 Lock washer 1
7 Drive sprocket 1
8Plate 1
For installation, reverse the removal proce-
dure. 
						

							ENGINE REMOVAL
5-2
Removing the exhaust pipe
Order Job/Parts to remove Q’ty Remarks
Rider seat Refer to GENERAL CHASSIS on page 4-1.
Passenger seat Refer to GENERAL CHASSIS on page 4-1.
Side cowlings Refer to GENERAL CHASSIS on page 4-1.
Lower cowlings Refer to GENERAL CHASSIS on page 4-1.
1 Right footrest bracket 1
2 Protector cover 1
3 Protector 1
4 EXUP valve pulley cover 1
5 EXUP cable 2
6 EXUP servo motor bracket 1
7 EXUP servo motor 1
8O
2 sensor
1
9 Muffler cover 2
10 Muffler 2
11 Gasket 2
12 Catalyst pipe assembly 1
13 Gasket 1
14 Exhaust valve pipe assembly 1
15 Exhaust valve pipe gasket 1
16 Exhaust pipe assembly 1
17 Exhaust pipe gasket 4 
						

							ENGINE REMOVAL
5-3
For installation, reverse the removal proce-
dure.
Removing the exhaust pipe
Order Job/Parts to remove Q’ty Remarks 
						

							ENGINE REMOVAL
5-4
Disassembling the exhaust valve pipe
Order Job/Parts to remove Q’ty Remarks
1 Washer 1
2 Pulley 1
3 Collar 1
4Plate 1
5Spring 1
6 EXUP pulley bracket 1
7 Housing 1
8Gasket 1
9 Collar 1
10 Shaft arm 1
11 Exhaust valve pipe 1
For assembly, reverse the disassembly pro-
cedure. 
						

							ENGINE REMOVAL
5-5
Disconnecting the leads and hoses
Order Job/Parts to remove Q’ty Remarks
Fuel tank Refer to FUEL TANK on page 7-1.
Air filter case Refer to GENERAL CHASSIS on page 4-1.
Throttle body Refer to THROTTLE BODIES on page 7-4.
Engine oilDrain.
Refer to CHANGING THE ENGINE OIL on 
page 3-11.
Oil cooler Refer to OIL COOLER on page 6-4.
Air cut-off valveRefer to AIR INDUCTION SYSTEM on 
page 7-9.
Starter motorRefer to ELECTRIC STARTER on page 5-
39.
1 Battery negative lead 1
2 Battery positive lead 1
3Clutch cable 1
4 Engine ground lead 2
5 Stator coil assembly coupler 1 Disconnect.
6 Crankshaft position sensor coupler 1 Disconnect.
7 Oil level switch connector 1 Disconnect.
8 Neutral switch connector 1 Disconnect.
9 Speed sensor coupler 1 Disconnect.
10 Cylinder identification sensor coupler 1 Disconnect.
For installation, reverse the removal proce-
dure. 
						

							ENGINE REMOVAL
5-6
Removing the engine
Order Job/Parts to remove Q’ty Remarks
1 Engine mounting bolt (front right side) 1
2 Engine mount collar (outer) 1
3 Engine mount collar (center) 1
4 Engine mount collar (inner) 1
5 Engine mounting bolt (front left side) 1
6 Locknut 1
7 Engine mounting bolt (rear lower side) 1
8 Locknut 1
9 Engine mounting bolt (rear upper side) 1
10 Engine mounting adjust bolt 2
11 Engine 1
For installation, reverse the removal proce-
dure. 
						

							ENGINE REMOVAL
5-7
EAS23720
INSTALLING THE ENGINE
1. Install:
 Engine mounting adjust bolts
(temporary tighten)
2. Install:
Engine
3. Install:
 Engine mounting bolt (rear lower side) “1”
 Engine mounting bolt (rear upper side) “2”
Locknuts
NOTE:
Lubricate the lower and upper engine mount-
ing bolts threads with lithium-soap-based 
grease.
4. Install:
 Engine mount bolt (front left side) “1”
(temporary tighten)
5. Install:
 Engine mount collar (inner) “1”
 Engine mount collar (center) “2”
 Engine mount collar (outer) “3”
 Right front engine mount bolt “4”
(temporary tighten)6. Tighten:
 Engine mounting adjust bolts
NOTE:
Use the pivot shaft wrench “1” and pivot shaft 
wrench adapter “2” to tighten the engine 
mounting adjust bolts.
7. Tighten:
 Upper locknut “1”
 Lower locknut “2”
Engine mounting adjust bolt
7 Nm (0.7 m·kg, 5.1 ft·lb)
Pivot shaft wrench
90890-01471
Frame spanner socket
YM-01471
Pivot shaft wrench adapter
90890-01476 
						

							ENGINE REMOVAL
5-8
NOTE:
First tighten the lower locknut, and then tighten 
the upper locknut.
8. Tighten:
 Left front engine mounting bolt “1”
9. Tighten:
 Right front engine mounting bolt “1”
Upper locknut
51 Nm (5.1 m·kg, 37 ft·lb)
Lower locknut
51 Nm (5.1 m·kg, 37 ft·lb)
Engine mounting bolt (front left 
side)
45 Nm (4.5 m·kg, 33 ft·lb)
Engine mounting bolt (front 
right side)
45 Nm (4.5 m·kg, 33 ft·lb) 
						

							CAMSHAFTS
5-9
EAS23760
CAMSHAFTS
Removing the cylinder head cover
Order Job/Parts to remove Q’ty Remarks
Fuel tank Refer to FUEL TANK on page 7-1.
Side cowlings Refer to GENERAL CHASSIS on page 4-1.
Lower cowlings Refer to GENERAL CHASSIS on page 4-1.
Throttle body  Refer to THROTTLE BODIES on page 7-4.
Radiator assembly Refer to RADIATOR on page 6-1.
Air cut-off valveRefer to AIR INDUCTION SYSTEM on 
page 7-9.
1 Ignition coil 4
2 Spark plug 4
3 Cylinder head cover 1
4 Cylinder head cover gasket 1
5 Timing chain guide (top side) 1
6 Cylinder identification sensor 1
7O-ring 1
For installation, reverse the removal proce-
dure. 
						

							CAMSHAFTS
5-10
Removing the camshafts
Order Job/Parts to remove Q’ty Remarks
Pickup rotor coverRefer to CRANKSHAFT POSITION SEN-
SOR on page 5-37.
1 Camshaft sprocket bolt 4 Loosen.
2 Timing chain tensioner 1
3 Timing chain tensioner gasket 1
4 Intake camshaft cap 3
5Dowel pin 6
6 Exhaust camshaft cap 3
7Dowel pin 6
8 Intake camshaft 1
9 Exhaust camshaft 1
10 Camshaft sprocket 2
For installation, reverse the removal proce-
dure.