Yamaha WR450F 2021 Owner's Service Manual page 59

Spring
Shock absorber
Wheel travel
Fork spring free length limit
Inner tube bending limit
Recommended oil
Quantity (left)
Quantity (right)
Rebound damping
Adjusting system
Unit for adjustment
Adjustment value from the start position
(Soft)
Adjustment value from the start position
(STD)
Adjustment value from the start position
(Hard)
Compression damping
Adjusting system
Unit for compression damping adjustment
Adjustment value from the start position
(Soft)
Adjustment value from the start position
(STD)
Adjustment value from the start position
(Hard)
Rear suspension
Type
Spring
Shock absorber
Wheel travel
Spring preload
Adjusting system
Adjustment value (Soft)
Adjustment value (STD)
Adjustment value (Hard)
Rebound damping
Adjusting system
Unit for adjustment
Adjustment value from the start position
(Soft)
Adjustment value from the start position
(STD)
Adjustment value from the start position
(Hard)
Compression damping
Adjusting system
Fast compression damping
Unit for adjustment
Adjustment value from the start position
(Soft)
CHASSIS SPECIFICATIONS
Coil spring
Hydraulic damper
310 mm (12.2 in)
492.0 mm (19.37 in)
0.2 mm (0.01 in)
Yamaha Suspension Oil S1
491.0 cm³ (16.60 US oz, 17.32 Imp.oz)
491.0 cm³ (16.60 US oz, 17.32 Imp.oz)
Mechanical adjustable type
Click
20
8
0
Mechanical adjustable type
Click
20
12
0
Swingarm (link suspension)
Coil spring
Gas-hydraulic damper
317 mm (12.5 in)
Mechanical adjustable type
1.5 mm (0.06 in)
10.0 mm (0.39 in)
18.0 mm (0.71 in)
Mechanical adjustable type
Click
30
8
0
Mechanical adjustable type
Turn
2
2-6