RADIATOR. Honda CBR125R 430 Pages
The Honda CBR125R is a lightweight and powerful motorcycle designed for both beginners and experienced riders. It features a liquid-cooled, single-cylinder engine with PGM-FI fuel injection, delivering reliable performance. The CBR125R also boasts a modern design with sleek bodywork and a comfortable riding position. This manual provides comprehensive service procedures, maintenance schedules, and troubleshooting information for the CBR125R, ensuring optimal performance and safety.
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COOLING SYSTEM
RADIATOR
REMOVAL
Lift and support the fuel tank (page 3-6).
Remove the middle cowl (page 2-9).
Remove the trim clip.
Open the rubber sheet.
TRIM CLIP RUBBER SHEET
Disconnect the fan motor 2P (Natural) connector.
2P (NATURAL) CONNECTOR
Disconnect the siphon hose from the radiator.
Loosen the water hose band screw and disconnect the lower water hose.
SIPHON HOSE
Loosen the water hose band screw and disconnect the upper water hose.
WATER HOSE
WATER HOSE
6-10
Remove the radiator lower mounting bolt and collar.
COOLING SYSTEM
COLLAR
Disconnect the horn connectors.
Remove the radiator upper mounting bolt and horn mounting stay.
Be careful not to damage the radiator fins.
Release the radiator upper grommet from the frame boss by moving the radiator to the right, then remove the radiator assembly.
STAY BOLT
BOLT
GROMMET
DISASSEMBLY
Remove the bolts and fan motor assembly from the radiator.
CONNECTORS
BOLTS
Remove the cooling fan nut and cooling fan.
NUT
FAN MOTOR ASSEMBLY
COOLING FAN
6-11
COOLING SYSTEM
Remove the screws and fan motor from the fan motor shroud.
FAN MOTOR
RADIATOR
ASSEMBLY
SCREWS/WASHERS SHROUD
1.0 N·m (0.1 kgf·m, 0.7 lbf·ft)
COOLING FAN
FAN MOTOR
FAN MOTOR SHROUD
6-12
COLLAR 8.4 N·m (0.9 kgf·m, 6.2 lbf·ft)
Install the fan motor onto the fan motor shroud.
Install and tighten the screws to the specified torque.
TORQUE: 2.8 N·m (0.3 kgf·m, 2.1 lbf·ft)
2.8 N·m (0.3 kgf·m, 2.1 lbf·ft)
FAN MOTOR
SCREWS/WASHERS SHROUD
Install the cooling fan onto the fan motor shaft by aligning the flat surfaces.
Align
COOLING SYSTEM
Apply locking agent to the cooling fan nut threads.
Install and tighten the nut to the specified torque.
TORQUE: 1.0 N·m (0.1 kgf·m, 0.7 lbf·ft)
NUT
COOLING FAN
Install the fan motor assembly onto the radiator.
Install and tighten the bolts to the specified torque.
TORQUE: 8.4 N·m (0.9 kgf·m, 6.2 lbf·ft)
BOLTS
Be careful not to damage the radiator fins.
INSTALLATION
Install the radiator assembly, aligning its upper grommet with the frame boss.
Install the horn mounting stay and radiator upper mounting bolt and tighten the bolt.
Connect the horn connectors.
GROMMET
FAN MOTOR ASSEMBLY
CONNECTORS BOLT
BOSS STAY
6-13
COOLING SYSTEM
Install the collar and radiator lower mounting bolt.
Connect the upper water hose and tighten the water hose band screw.
COLLAR BOLT
WATER HOSE
Connect the lower water hose and siphon hose.
SIPHON HOSE
WATER HOSE
Tighten the water hose band screws as shown.
After installation, check the radiator and radiator hoses for leaks.
0 – 1.0 mm (0 – 0.04 in)
6-14
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Key Features
- Liquid-cooled engine
- PGM-FI fuel injection
- Sleek design
- Lightweight
- Powerful
- Comfortable riding position
- Comprehensive service manual
