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5

Tool No. 

90890-XXXXX

(0727-03)

Soft jaws

Use this tool for piston shafts 14-16 mm.

Tool name/How to use 

Illustration

90890-XXXXX

(04957-01)

Steering damper holder

Use this tool for holding the steering damper
unit with or without link arm.

90890-XXXXX

(04954-01)

Puller

Use this tool for demounting the steering
damper linkarm.

90890-XXXXX

(04955-01)

90890-XXXXX

(04956-01)

Sockets

Use this tools for mounting the steering
damper linkarm.

90890-XXXXX

(04951-01)

Mandrel

Use this tool to install the steering damper 
X-ring seal.

90890-XXXXX

(04960-01)

Holder

This tool is used for gripping the steering
damper high speed adjuster.

GEN

INFO

SPECIAL TOOLS

Summary of Contents for WR450F

Page 1: ...WR450F S 2 TRAC SUPPLEMENTARY OWNER S SERVICE MANUAL 5TJ F8199 E0...

Page 2: ...S SERVICE MANUAL 2004 by Yamaha Motor Italia S p A First edition March 2004 All rights reserved Any reproduction or unauthorized use without the written permission of Yamaha Motor Italia S p A is exp...

Page 3: ...MPING FORCE ADJUSTMENT 24 REAR SHOCK ABSORBER LOW COMPRESSION DAMPING FORCE ADJUSTMENT 25 REAR SHOCK ABSORBER HIGH COMPRESSION DAMPING FORCE ADJUSTMENT 26 CARBURETOR DISASSEMBLY 27 TRANSMISSION 28 DRI...

Page 4: ...ity and function is high quality material in all components The high quality materials used are not always the best suited to provide beautiful surface treatment As a result we can sometimes see shade...

Page 5: ...ces WARNING Changing the number of teeth of the sprockets more than one tooth up causes unduly high reac tion forces in the handlebar It can also give permanent damages to the hydraulic transmission b...

Page 6: ...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...

Page 7: ...without link arm 90890 XXXXX 04954 01 Puller Use this tool for demounting the steering damper linkarm 90890 XXXXX 04955 01 90890 XXXXX 04956 01 Sockets Use this tools for mounting the steering damper...

Page 8: ...r suspension Swingarm link type monocross suspension Shock absorber Front shock absorber Coil spring oil damper Rear shock absorber Coil spring gas oil damper Wheel travel Front wheel travel 300 mm 11...

Page 9: ...ng stroke K1 300 mm Spring stroke K2 25 mm approximately Optional spring available Yes Quantity 625 cm2 approximately Level 105 mm Recommended oil hlins part no 1305 01 SAE 5W Inner tube outer diamete...

Page 10: ...Loctite 243 Front fork protector screw lower and front fork protector M5 x 0 8 2 max 0 2 max Add Loctite 243 on the screw spacer Front fender and under bracket M6 x 1 0 7 0 7 Side covers lower and fr...

Page 11: ...Insert the fuel tank breather hose into the hole in the steer ing shaft cap Fasten the diode of the wire harness and rectifier regulator lead at its protecting tube to the frame at the white tape for...

Page 12: ...o lead to the frame with a plastic band ends outward Pass the cylinder head breather hose on the outside of the radia tor hose 1 and on the inside of the radiator pipe radiator hose 4 Pass the oil tan...

Page 13: ...E ROUTING DIAGRAM 11 1 Drive chain housing transmission assy 2 Pump transmission assy 3 Hose pump reservoir 4 Reservoir transmission assy 5 Hose motor pump 6 Bracket reservoir 7 Clamp 8 Motor transmis...

Page 14: ...hose w Rectifier regulator lead e Clamp r CDI unit lead t CDI unit y CDI unit band u CDI unit stay frame i Cable bracket o Clamp transmission hoses p Transmission motor Pass the throttle cables clutc...

Page 15: ...ith a plastic locking tie and cut off the tie end Fasten the CDI unit lead to the frame with a plastic locking tie ends at the lower of the frame and cut off the tie end Insert the CDI unit band over...

Page 16: ...ortion directs as shown and lightly touches the projec tion on the caliper Pass the brake hose into the brake hose holders If the brake hose contacts the spring rear shock absorber correct its twist I...

Page 17: ...lead negative battery lead and wire harness in the tank damper slit Fasten the wire harness to the frame with a plastic locking tie and cut off the tie end Do not allow the taillight lead to slacken...

Page 18: ...d r Clamp steering damper cover Fasten the start switch lead to the handlebar with the plastic bands Fasten the ENGINE STOP button lead and clutch switch lead to the handlebar with the plastic bands P...

Page 19: ...there is no damage on the hoses especially important is the reinforcement mesh no damaged cord is allowed Check for oil leaks sweating of all connections Every 5th hour check the status of the system...

Page 20: ...ing The steering damper has three external setting possibilities i e setting of the damper valve high speed valve and sweep valve which regulate the damping area 2 Low speed valve The steering damper...

Page 21: ...pos 1 or 2 Enduro pos 2 or 3 Off Road pos 2 3 or 4 Technical data External measures 70x70x35 mm Seals Low friction type Oil hlins part no 01306 01 Maintenance and inspection The steering damper is a...

Page 22: ...n authorized work shop or distributor for proper dis posal Trouble Shooting Little or no damping 1 Debris in valving or worn parts internally need service 2 Shear pin on bottom has broken due to a cra...

Page 23: ...force Turn the adjuster out Extent of adjustment Maximum Minimum Fully turned in 20 clicks out position from maximum position STANDARD POSITION This is the position which is back by the specif ic num...

Page 24: ...sion damp ing force Turn the adjuster out Extent of adjustment Maximum Minimum Fully turned in 20 clicks out position from maximum position STANDARD POSITION This is the position which is back by the...

Page 25: ...in Softer Decrease the spring preload Turn the adjuster 2 out Spring length installed Standard length Extent of adjustment 251 5 mm 246 5 256 5 mm NOTE Be sure to remove all dirt and mud from around t...

Page 26: ...crease the rebound damp ing force Extent of adjustment Maximum Minimum Fully turned in 40 clicks out position from maximum position STANDARD POSITION This is the position which is back by the specif i...

Page 27: ...n Softer b Decrease the low compres sion damping force Turn the adjuster 1 out Extent of adjustment Maximum Minimum Fully turned in 25 clicks out position from maximum position STANDARD POSITION This...

Page 28: ...1 in Softer b Decrease the high compres sion damping force Turn the adjuster 1 out Extent of adjustment Maximum Minimum Fully turned in 4 clicks out position from maximum position STANDARD POSITION T...

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