Yamaha Dt125r
The Yamaha Dt125r has a top speed of 110 km/h, produces 12 hp and weighs 102 kg. Motoryk rates it 7.8/10.
雅马哈 DT125R 于 1988 年推出，是雅马哈长时间运行的 DT125 耐力赛系列的演变，采用液冷二冲程发动机和用于改善动力输送的 YPVS（雅马哈动力阀系统）。在整个 20 世纪 90 年代，它成为欧洲最受欢迎的 125cc 双运动摩托车之一，因其在公路和越野上的多功能性而备受赞誉。生产一直持续到 2006 年左右，使其成为一款寿命长且具有标志性的入门级越野机器。
12 hp
权力
13 Nm
扭矩
102 kg
重量
110 km/h
最高速度
3.5 L/100km or approximately 28 km/L
燃料
裸体
身体
Video Review
买家应该知道什么
Watch the Power Valve
The YPVS (Yamaha Power Valve System) is a key performance feature but requires regular cleaning — a seized or dirty power valve kills mid-range power and is one of the most common issues on used examples.
Strong Resale Value
The DT125R holds its value exceptionally well due to its reputation as a reliable, beginner-friendly trail bike. Clean, low-mileage examples consistently command premium prices in the used market.
Check for Restrictor Removal
Many DT125Rs were sold in restricted 12bhp form for A1 licence compliance, but are easily de-restricted to their full ~26bhp — always verify whether a used bike has been modified, as this affects insurance and legality.
按年份划分的世代和规格
原装 DT125R 推出时配备 YPVS 动力阀、单冲击后悬架、液冷 125cc 二冲程发动机。
"奖励机械同情的轻型追踪武器。"
YPVS 动力阀真正改变了这款自行车——转速低于 6,500 rpm，它是一个温顺的学习工具，然后气门裂开了，你突然笑着坐在一台 101 千克的机器上。液体冷却意味着发动机在长途攀登中保持稳定，而空气冷却的竞争对手会偏离正轨，而单冲击后部实际上比其纤细的车架所显示的更能吸收车祸的森林赛道。890 毫米的座椅高度将使骑手更短地在路口行驶，而且 YPVS 系统如果被忽视则是一枚定时炸弹——扣押的阀门价格昂贵，而步进电机现在是古老的电子设备。二冲程车的燃料消耗是合理的，但它会喝预混物，在冷启动时会喷出油烟，这在郊区骑行中很快就会过时。
优点
缺点
更新了车身样式，修改了悬架设置，在整个生产过程中对化油量和图形进行了细微的更改。
"防弹学习者越野自行车，可奖励坚定的骑行。"
第 2 代 DT125R 从来没有假装速度快，但它说实话，这是一款可闪烁、轻便的耐力公路混合动力车，只要要求持续关注动量，你就能成为更好的骑手。在第一代的基础上，经过修改的悬架实际上在消防道路上起到了明显的作用；尽管在任何真正艰难的环境中它仍然会不知所措，但它在没有冲刷到正面角落的路面和车辙。二冲程强度带让你保持诚实——低于 6,000 rpm 的转速你是在推一只不情愿的骡子，但是撞上管道，突然间 101 kg 感觉一点都不是。真正的弱点是腐蚀：十五年前的例子几乎无一例外地发现了排气螺柱、防溢叉密封件和碳水化合物喷射器，它们需要充分浸泡才能正常呼吸。
优点
缺点
更新的塑料和配色方案，更新的前叉，符合最后几年的欧 2 排放法规。
"这种诚实的双项运动从未假装过更多。"
我在 2004 年的 DT125R 上行驶了大约 8,000 公里，穿过绿道、B 路以及偶尔出现的场地跑道被洪水淹没，它赢得了我的尊重，从来没有让我惊叹过。动力传输是经典的二冲程——没什么，什么都没有，然后在6,500 rpm左右的清脆命中，如果你不注意松散的地面，前方的重量就会减轻。更新后的第二代分叉是一项真正的改进；它们吸收了根部和车辙，没有旧单位那样模糊、沉闷的感觉，尽管它们仍然不是你吹牛的。我的主要抱怨是，与之前的DT相比，欧2的合规性略微扼杀了高端车型，而且塑料虽然看起来更新鲜，但又足够脆弱，以至于一次低速翻倒就会使侧面板破裂。
优点
缺点
二手买家评论
"Buy the best example you can find — nothing else matters."
$1,500-$4,500 usedThe DT125R is one of those bikes that rewards patient buyers willing to do their homework. Yamaha built these properly — YPVS power valve, liquid cooling, genuine off-road geometry — and when they're right, they're genuinely brilliant. Light enough to throw around trails yet comfortable enough for road commuting. That 125cc two-stroke pulls hard once the powerband hits around 6,000rpm, and that hit never gets old. Here's the reality check though: these are old bikes now, and two-strokes punish neglect brutally. The power valve needs regular cleaning — coked-up YPVS is the number one killer on these. Always ask when it was last serviced and pull the exhaust yourself if you can. Look for blue smoke at idle suggesting worn rings, check the radiator for leaks, and prod the swingarm bearings. Seized or worn bikes are surprisingly expensive to resurrect. Find a clean, documented example and you've got yourself a genuinely special lightweight that modern bikes simply can't replicate. Bargain hunting on these usually ends badly.
Top 10 Accessories
Curated picks for the Yamaha Dt125r — owned, ridden, recommended.
常见问题
🔥 2 CRITICALRev through full range, listen for flat midrange power
Erratic idle, hard starting, excessive smoke on startup
Hesitation, poor idle, fuel petcock and filter condition
Clunking over bumps, grab swingarm and check for play
✅购买前清单
Solid if maintained, neglect kills them fast
Full Specifications
Rivals & Alternatives
Bikes that buyers cross-shop with the Yamaha Dt125r
Yamaha Serow 250
Yamaha Wr250r
Suzuki Ts125r
Yamaha Wr125r
Yamaha Wr 250 F
Compare Yamaha Dt125r Side-by-Side
compare_arrowsSpecs, power, weight & buyer verdict — head-to-head with the bikes most often cross-shopped.
Yamaha Dt125r vs Yamaha Serow 250
Specs · Power · Buyer verdict
Yamaha Dt125r vs Yamaha Wr250r
Specs · Power · Buyer verdict
Yamaha Dt125r vs Suzuki Ts125r
Specs · Power · Buyer verdict
Yamaha Dt125r vs Yamaha Wr125r
Specs · Power · Buyer verdict
Yamaha Dt125r vs Yamaha Wr 250 F
Specs · Power · Buyer verdict
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Discussion
Frequently Asked Questions
What are common problems with the Yamaha Dt125r? +
Seized or worn power valve: Rev through full range, listen for flat midrange power (serious) | Worn or air-leaking crankshaft seals: Erratic idle, hard starting, excessive smoke on startup (serious) | Blocked or dirty carburetor jets: Hesitation, poor idle, fuel petcock and filter condition (moderate)
Is the Yamaha Dt125r a good motorcycle? +
Buy the best example you can find — nothing else matters. Rating: 7.8/10. Best for: Experienced riders wanting lightweight two-stroke adventure. Avoid if: You want low-maintenance reliable daily transport.
What is the horsepower of the Yamaha Dt125r? +
The Yamaha Dt125r produces 12 hp @ 8,000 rpm, with 13 Nm @ 7,000 rpm of torque. Top speed: 110 km/h.
Is the Yamaha Dt125r good for beginners? +
Yes — the Yamaha Dt125r is a reasonable choice for new riders (12 hp is manageable), weighing 102 kg. Experienced riders wanting lightweight two-stroke adventure
Is the Yamaha Dt125r reliable? +
Owners report 2 critical issues to watch for on the Yamaha Dt125r, notably: Seized or worn power valve (Rev through full range, listen for flat midrange power). Buy with a pre-purchase inspection.
Is the Yamaha Dt125r good for daily use? +
Experienced riders wanting lightweight two-stroke adventure Fuel: 3.5 L/100km or approximately 28 km/L.
How fast is the Yamaha Dt125r? +
The Yamaha Dt125r reaches a top speed of 110 km/h, producing 12 hp at 102 kg curb weight. Real-world performance depends on rider weight, gearing, and road conditions.
What gear should I buy for a Yamaha Dt125r? +
Motoryk has curated a Top 10 gear list specifically for the Yamaha Dt125r, covering engine oil, tires, chain, battery, and brake pads — see motoryk.com/bikes/yamaha/dt125r/top10. Each pick is matched to this bike's spec.
