Rear Suspension Specifications For Your 1997-2001 Yamaha YZ125
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Rear Suspension Specifications
| Rear Suspension Type | Swingarm/Shock Linkage |
| Rear Shock Gas Pressure | 145 psi (1000 kPa) |
| Rear Wheel Travel | 11.8 in. (300mm) |
Rear Suspension Service Specifications
| New mm (in.) | Service Limit mm (in.) |
| Shock Spring Free Length | 260 (10.24) | – |
| Swing Arm Free Play Limit | | |
| – End | – | 1.0 (0.04) |
| – Side Clearance | – | 0.4 – 0.7 (0.016 – 0.028) |
Rear Shock Absorber Spring Installed Length
| mm | in. |
| Standard | 245 | 9.65 |
| Minimum | 242 | 9.53 |
| Maximum | 257 | 10.12 |
| | |
| 2000 – 2001 | | |
| – European Models | 262 (10.31) | 257 – 275 (10.2 – 10.83) |
| – All Other Models | 248 (9.76) | 242 – 260 (9.53 – 10.24) |
Rear Shock Absorber Compression And Rebound Adjustment
| Total Adjustment Positions | Stock Adjuster Position |
| Compression Damping Adjustment | 20 | 9 Clicks Out |
| Rebound Damping Adjustment | 20 | 9 Clicks Out |
| Low Speed – 2000 | | |
| – European Models | 20 | 5 Clicks Out |
| – All Other Models | 20 | 9 Clicks Out |
| Low Speed – 2001 | | |
| – European Models | 20 | 12 Clicks Out |
| – All Other Models | 20 | 9 Clicks Out |
| High Speed – 2000 | | |
| – European Models | 2 Turns | 2/3 Turns Out |
| – All Other Models | 2 Turns | 1-1/4 Turns Out |
| High Speed – 2001 | | |
| – European Models | 2 Turns | 1 Turns Out |
| – All Other Models | 2 Turns | 1-1/4 Turns Out |
Rear Suspension Torque Specifications
| ft.-lb | N•n |
| Rear Shock Absorber Mounting Bolts | | |
| – Upper Bolt | 41 | 56 |
| – Lower Bolt | 35 | 48 |
| Relay Arm-to-Swingarm | 59 | 80 |
| Relay Arm-to-Shock Absorber | 35 | 48 |
| Connecting Rod-to-Relay Arm | 59 | 80 |
| Connecting Rod-to-Frame | 59 | 80 |
| Sub-frame Mounting Bolts | 19 | 26 |
| Swing Arm Pivot Bolt Nut | 63 | 85 |
