Yamaha YZ450FX 2023 Owner's Manual page 38

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)
Adjustment value from the start position
(STD)
Adjustment value from the start position
(Hard)
Slow compression damping
Unit for adjustment
Adjustment value from the start position
(Soft)
Adjustment value from the start position
(STD)
Adjustment value from the start position
(Hard)
Drive chain
Size
Chain type
Number of links
Drive chain slack (Maintenance Stand)
15-link length limit
CHASSIS SPECIFICATIONS
Mechanical adjustable type
Click
20
10
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
1-1/8
0
Click
20
10
0
520
Sealed type
114
50.0–60.0 mm (1.97–2.36 in)
239.3 mm (9.42 in)
2-5