Yamaha Yzf R1 2007 Manual

TRANSMISSION
5-91
EAS26350
INSTALLING THE TRANSMISSION
1. Install:
 Bearing “1”
NOTE:
Make the seal side of bearing face to the out-
side and install it close to the right end face of 
the crankcase.
Oil pipe “2”
2. Install:
 Main axle assembly “1”
 Bearing housing “2”
 Shift fork “C”
 Shift drum assembly
 Shift fork guide bar
 Shift fork guide bar retainer
NOTE:
 The embossed marks on the shift forks 
should face towards the right side of the 
engine and be in the following sequence: “R”, 
“C”,...

TRANSMISSION
5-92
4. Check:
Transmission
Rough movement → Repair.
NOTE:
Oil each gear, shaft, and bearing thoroughly. 

TRANSMISSION
5-93 

COOLING SYSTEM
RADIATOR.................................................................................................... 6-1
CHECKING THE RADIATOR.................................................................. 6-3
INSTALLING THE RADIATOR ................................................................ 6-3
OIL COOLER ................................................................................................ 6-4
CHECKING THE OIL COOLER...

RADIATOR
6-1
EAS26380
RADIATOR
Removing the radiator
Order Job/Parts to remove Q’ty Remarks
Rider seat Refer to GENERAL CHASSIS on page 4-1.
Side cowling Refer to GENERAL CHASSIS on page 4-1.
CoolantDrain.
Refer to CHANGING THE COOLANT on 
page 3-19.
Fuel tank Refer to FUEL TANK on page 7-1.
Air filter case Refer to GENERAL CHASSIS on page 4-1.
1 Radiator fan coupler 2 Disconnect.
2 Fuse holder stay 1
3 Coolant reservoir tank 1
4 Coolant reservoir hose 1
5 Radiator inlet hose 1
6 Oil cooler outlet hose...

RADIATOR
6-2
11 Radiator fan motor 2
For installation, reverse the removal proce-
dure.
Removing the radiator
Order Job/Parts to remove Q’ty Remarks 

RADIATOR
6-3
EAS26390
CHECKING THE RADIATOR
1. Check:
 Radiator fins
Obstruction → Clean.
Apply compressed air to the rear of the 
radiator.
Damage → Repair or replace.
NOTE:
Straighten any flattened fins with a thin, flat-
head screwdriver.
2. Check:
 Radiator hoses
 Radiator pipes
Cracks/damage → Replace.
3. Measure:
 Radiator cap opening pressure
Below the specified pressure → Replace 
the radiator cap.
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Install the radiator cap tester “1” and radia-
tor cap tester...

OIL COOLER
6-4
EAS26410
OIL COOLER
Removing the oil cooler
Order Job/Parts to remove Q’ty Remarks
Engine oilDrain.
Refer to CHANGING THE ENGINE OIL on 
page 3-11.
CoolantDrain.
Refer to CHANGING THE COOLANT on 
page 3-19.
1 Oil cooler inlet hose 1
2 Oil cooler bolt 1 Loosen.
3 Washer 1 Disconnect.
4 Oil cooler 1 Disconnect.
5O-ring 1
6 Water pump outlet pipe 1
7O-ring 1
8 Water jacket joint inlet hose 1
9O-ring 1
10 Water jacket joint 1
11 Stay 1
12 O-ring 1
For installation, reverse the removal proce-...

OIL COOLER
6-5
EAS26420
CHECKING THE OIL COOLER
1. Check:
Oil cooler
Cracks/damage → Replace.
2. Check:
 Oil cooler inlet hose
 Oil cooler outlet hose
Cracks/damage/wear → Replace.
EAS26430
INSTALLING THE OIL COOLER
1. Clean:
 Mating surfaces of the oil cooler and the 
crankcase
(with a cloth dampened with lacquer thin-
ner)
2. Install:
 O-ring 
Oil cooler “1”
 Washer “2” 
 Oil cooler bolt “3”
NOTE:
 Before installing the oil cooler, lubricate the 
oil cooler bolt and O-ring with a thin coat of...

THERMOSTAT
6-6
EAS26440
THERMOSTAT
Removing the thermostat assembly
Order Job/Parts to remove Q’ty Remarks
Rider seat Refer to GENERAL CHASSIS on page 4-1.
Fuel tank Refer to FUEL TANK on page 7-1.
Air filter case Refer to GENERAL CHASSIS on page 4-1.
CoolantRefer to CHANGING THE COOLANT on 
page 3-19.
1 Thermostat assembly outlet hose 1
2 Thermostat assembly breather hose 1
3 Thermostat assembly 1
4 Thermostat assembly inlet hose 1
5Band 1
For installation, reverse the removal proce-
dure.