2021 Yamaha YZ250 悬挂下沉量与保养指南
由 Garagely 悬挂团队编写更新于 2026-07-28
对于 2021 Yamaha YZ250（摩托车越野赛（MX）），前叉骑手（比赛）下沉量建议为行程的 25-30%，前叉静态下沉量建议为 10-16%。 在后部，目标为后减震骑手下沉量 30-34%，后减震静态下沉量 8-14%。 这些是该车型所属骑行类型的行程百分比起始参考值，并非精确到毫米的设置。 请先设置好下沉量，再根据下方的原厂基准值微调阻尼器，并在每次调整后重新检查。
Starting points, not exact settings. Sag targets and spring-rate estimates are reference values that vary by rider weight, model, and conditions. Verify against your owner's manual, dial them in to your own feel, and re-check after any change. Suspension affects handling and safety; consult a qualified suspension technician if unsure.
以下规格和调校数据来自共享知识库，以英文提供；数值未进行翻译。
悬挂下沉量目标
前叉（前部）
- 骑手（比赛）下沉量
- 25-30%
- 静态（自由）下沉量
- 10-16%
后减震（后部）
- 骑手（比赛）下沉量
- 30-34%
- 静态（自由）下沉量
- 8-14%
来源: Suspension tuning reference (sag-first method; Race-Tech-style spring estimate).
阻尼器基准设置
| 部件 | 调节器 | 原厂基准值 | 范围 |
|---|---|---|---|
| fork | compression | 10.0 clicks | 1.0-20.0 clicks |
| fork | rebound | 10.0 clicks | 1.0-20.0 clicks |
| shock | compression hs | 1.5 turns | 0.0-3.0 turns |
| shock | compression ls | 10.0 clicks | 1.0-20.0 clicks |
| shock | rebound | 10.0 clicks | 1.0-20.0 clicks |
Starting points, not exact settings. Sag targets and spring-rate estimates are reference values that vary by rider weight, model, and conditions. Verify against your owner's manual, dial them in to your own feel, and re-check after any change. Suspension affects handling and safety; consult a qualified suspension technician if unsure.
保养周期
| 保养项目 | 里程 | 小时数 | 时间 |
|---|---|---|---|
| air | 无 | 2.5 h | 无 |
| brake | 无 | 无 | 365 d |
| chain | 无 | 12.5 h | 无 |
| coolant | 无 | 无 | 730 d |
| fork | 无 | 7.5 h | 无 |
| fuelsys carb | 无 | 15.0 h | 无 |
| gearbox | 无 | 7.5 h | 无 |
Starting points, not exact settings. Sag targets and spring-rate estimates are reference values that vary by rider weight, model, and conditions. Verify against your owner's manual, dial them in to your own feel, and re-check after any change. Suspension affects handling and safety; consult a qualified suspension technician if unsure.
关键规格
- 机油
- Transmission oil (Yamalube); premix 32:1 Yamalube 2-R
- 机油容量
- 750 ml
- 冷却液容量
- 1150 ml
- 轮胎规格
- 80/100-21110/90-19
- 原厂前叉弹簧
- 4.3
- 原厂后减震弹簧
- 50.0
- 油箱容量
- 8.0 L
- 火花塞
- NGK BR9EG
Starting points, not exact settings. Sag targets and spring-rate estimates are reference values that vary by rider weight, model, and conditions. Verify against your owner's manual, dial them in to your own feel, and re-check after any change. Suspension affects handling and safety; consult a qualified suspension technician if unsure.