Yamaha WR450F 2-TRAC User Manual

4
GEN
INFO
SPECIAL TOOLS
SPECIAL TOOLS
The following special tools are necessary for complete and accurate tune-up and assembly. Use only the
appropriate special tools; this will help prevent damage caused by the use of inappropriate tools or
improvised techniques. Special tools may differ by shape and part number from country to country. In
such a case, two types are provided.
When placing an order, refer to the list provided below to avoid any mistakes.
Tool No.
90890-XXXXX
(1702-02)
Bushing remover
Use this tool to remove the front forks bushing.
90890-XXXXX
(1797-01)
Tool cartridge top cap
Use this tool to remove and install the front
forks damper rod.
Tool name/How to use Illustration
90890-XXXXX
(1874-01)
Puller
Use this tool to remove the pump sprocket
(hydraulic transmission).
90890-XXXXX
(1799-02)
Mounting sleeve
Use this tool to install the front forks bushing
and seals.
90890-XXXXX
(1860-01)
Tool compression adjuster (Bob)
Use this tool to unscrew and screw the front
forks top cap.
90890-XXXXX
(0721-01)
Mandrel ball joints (26 mm)
This tool is needed to remove and install the
ball joints.
90890-XXXXX
(0723-01)
Sleeve (26 mm)
This tool is needed to remove and install the
ball joints with the mandrel.

Yamaha WR450F 2-TRAC Specifications

General

Displacement	449cc
Compression Ratio	12.5:1
Transmission	5-speed
Final Drive	Chain
Front Tire	80/100-21
Engine Type	Liquid-cooled, 4-stroke, DOHC, 5-valve
Bore x Stroke	95.0mm x 63.4mm
Front Brake	Single disc
Rear Brake	Single disc