Yamaha Yz250f
The Yamaha Yz250f has a top speed of ~145 km/h (estimated; not designed for top speed — purpose-built motocross racer), produces ~40 hp and weighs ~105 kg. Motoryk rates it 8.5/10.
雅马哈 YZ250F 于 2001 年推出，是雅马哈进入 250cc 四冲程摩托车越野赛细分市场，该细分市场与传统的二冲程摩托车越野赛一样迅速受到欢迎。它很快成为最具竞争力和最畅销的250cc越野摩托车之一，赢得了多次AMA冠军，并以可靠性和强大的中档动力赢得了声誉。多年来，YZ250F 进行了重大重新设计，包括在 2014 年和 2019 年再次进行大修，在后来的车型中引入了电启动、修改后的车架和更新的燃油喷射等功能。
~40 hp
权力
~26 Nm
扭矩
~105 kg
重量
~145 km/h (estimated; not designed for top speed — purpose-built motocross racer)
最高速度
~5.5 L/100km / ~18 km/L (estimated; varies significantly with riding intensity — note: off-road/motocross use makes precise figures difficult to pin down)
燃料
裸体
身体
Video Review
买家应该知道什么
Strong Resale Value
The YZ250F consistently holds its value better than most competitors, often retaining 70-80% of its price after a year. This makes it a smart investment whether you plan to keep or sell it.
Watch the Valves
Valve clearance checks are critical on the YZ250F and should be inspected every 15-20 hours of riding. Neglected valves are the most common cause of expensive engine damage on used bikes.
Electric Start Advantage
Models from 2019 onward include electric start as a standard feature, a major convenience upgrade over older kick-start-only versions. This addition significantly boosted the bike's appeal without adding much weight.
按年份划分的世代和规格
YZ250F 首次发射；249cc 液冷四冲程；五速变速箱；铝制车架；钛制气门。
"四冲程革命到来了，它确实奏效了。"
当雅马哈在 2001 年放下 YZ250F 时，我真的不知道 250 的四冲程车能否跟上我多年来比赛的尖叫二冲程——可以，然后还有一些。DOHC 发动机可以干净利落地从中档拉出，这是 250 二冲程前所未有的，这使得弯道出口感觉是可以预见的、宽容的，而不是断断续续的攻击性。铝制框架坚固耐用，不会受到任何损害，湿度为98kg，移动后感觉比数字所显示的要轻。诚实的弱点：这些早期发动机的气门间隙需要严格检查，与几年后的变速箱相比，五速变速箱感觉模糊不清——再加上匆忙找到中立状态只是一个小小的祈祷。
优点
缺点
修订了气缸盖和进气口；更新了悬架设置；重新设计了车身；改进了动力输送。
"雅马哈终于整理了这首热门歌曲，使其真正可以骑行。"
第 2 代修复了原版 YZ250F 中最让我烦恼的地方 —— 那个活泼、近乎暴力的强力带，如果你不注意的话，它会换掉后端的中角。修改后的油门和进气口使从下到中部的过渡变得平滑，因此您实际上可以像工具一样使用油门，而不是电灯开关。重量为 98 kg 时，在节奏部分中仍能感觉到稳固和闪烁，更新后的悬架设置对于中等身材的骑手来说效果明显更好，无需立即进行全面的换气门。我的抱怨是座椅 —— 它是摩托车 45 分钟后的惩罚装置 —— 而高转速峰值功率仍然需要你保持在 10,000 rpm 以上的转速，否则它就会在你身上消失。
优点
缺点
新的车架几何结构；修订的发动机内部结构；更新的燃油空气映射；更轻的总体重量；新的排气系统。
"雅马哈终于让 YZ250F 变得真正快速且可闪烁。"
修改后的车架几何形状将这款摩托车从略带木质感的第 2 代自行车转变为真正能够在弯道中旋转而无需费力就能旋转的自行车。雅马哈通过更新的内部结构在中档市场中挤出了更多的冲击，而10,000转的扭矩冲击是真实的——如果你对自己的身体姿势感到懒惰，它的拉力足够大，足以让你措手不及。它的湿度为98千克，并不是电网中最轻的250华氏度，但它比数字所显示的更好掩盖了重量，而且新的排气音确实具有激进性，没有前代的细小刺耳声。我诚实的抱怨是：动力传输非常激烈，以至于初学者到中级的车手会将一半的时间花在错误的转速范围内，而对于体重超过75公斤的人来说，原装悬架需要完全重新气门。
优点
缺点
发动机的重大重新设计；新的气缸盖；修订的底盘；2012 年推出的燃油喷射系统；改进的操控性。
新的铝制双边梁框架；改进的燃油喷射系统；更新的悬架；2018 年增加了电动起动装置。
增加了缸径的新发动机；改进了动力阀；更新了底盘几何结构；起飞控制；增加了牵引力控制。
修订了气缸盖和燃烧室；更新了 ECU 映射；改进了悬架；新的车身造型。
二手买家评论
"The used YZ250F is a brilliant buy with documented service history."
$3,500-$6,500 usedThe YZ250F is genuinely one of the best motocross bikes ever built, and buying one used makes a lot of sense if you know what to look for. Yamaha's reliability reputation is well-earned here — these engines are tough, and a well-maintained example will reward you handsomely. The KYB suspension is class-leading, the power delivery is smooth yet sharp, and it handles like it's on rails. Honestly, it's the benchmark other manufacturers chase. That said, buying used means doing your homework. Check the hours on the engine religiously — valves need checking every 15-20 hours and a top-end rebuild around 80-100 hours. Ask for maintenance records. A neglected YZ250F can get expensive fast. Look for scored forks, worn linkage bearings, and listen for any rattling at idle. Cosmetics don't matter much — mechanicals do. A clean 2019 or newer with documented service history is absolutely worth the premium over a cheaper, mystery-mileage bike.
Top 10 Accessories
Curated picks for the Yamaha Yz250f — owned, ridden, recommended.
常见问题
🔥 2 CRITICALCheck service history, listen for ticking at idle
Check compression, look for blue smoke on startup
Test throttle response, check for hesitation or stumbling
Compress forks and shock, check for oil leaks or sag
✅购买前清单
Reliable if maintained, abuse kills them fast
Full Specifications
Rivals & Alternatives
Bikes that buyers cross-shop with the Yamaha Yz250f
Ktm Sx-f 350
Kawasaki Kx 250
Suzuki Rm-z250
Yamaha Yz 250 F
Gas Gas Ex 350f
Compare Yamaha Yz250f Side-by-Side
compare_arrowsSpecs, power, weight & buyer verdict — head-to-head with the bikes most often cross-shopped.
Yamaha Yz250f vs Ktm Sx-f 350
Specs · Power · Buyer verdict
Yamaha Yz250f vs Kawasaki Kx 250
Specs · Power · Buyer verdict
Yamaha Yz250f vs Suzuki Rm-z250
Specs · Power · Buyer verdict
Yamaha Yz250f vs Yamaha Yz 250 F
Specs · Power · Buyer verdict
Yamaha Yz250f vs Gas Gas Ex 350f
Specs · Power · Buyer verdict
More Yamaha Yz250f Guides
More from Yamaha
View all Yamaha models →Community Reviews
Discussion
Frequently Asked Questions
What are common problems with the Yamaha Yz250f? +
Worn valve clearances from hard use: Check service history, listen for ticking at idle (serious) | Fouled or worn piston and rings: Check compression, look for blue smoke on startup (serious) | Clogged or damaged carburetor jetting: Test throttle response, check for hesitation or stumbling (moderate)
Is the Yamaha Yz250f a good motorcycle? +
The used YZ250F is a brilliant buy with documented service history. Rating: 8.5/10. Best for: Intermediate to advanced riders wanting proven motocross performance. Avoid if: You want a mystery-history bargain basement deal.
What is the horsepower of the Yamaha Yz250f? +
The Yamaha Yz250f produces ~40 hp @ 12,500 rpm (estimated for modern 2019+ models; earlier models slightly less), with ~26 Nm @ 10,000 rpm (estimated) of torque. Top speed: ~145 km/h (estimated; not designed for top speed — purpose-built motocross racer).
Is the Yamaha Yz250f good for beginners? +
Yes — the Yamaha Yz250f is a reasonable choice for new riders (40 hp is manageable), weighing 105 kg. Intermediate to advanced riders wanting proven motocross performance
Is the Yamaha Yz250f reliable? +
Owners report 2 critical issues to watch for on the Yamaha Yz250f, notably: Worn valve clearances from hard use (Check service history, listen for ticking at idle). Buy with a pre-purchase inspection.
Is the Yamaha Yz250f good for daily use? +
Intermediate to advanced riders wanting proven motocross performance Fuel: ~5.5 L/100km / ~18 km/L (estimated; varies significantly with riding intensity — note: off-road/motocross use makes precise figures difficult to pin down).
How fast is the Yamaha Yz250f? +
The Yamaha Yz250f reaches a top speed of ~145 km/h (estimated; not designed for top speed — purpose-built motocross racer), producing 40 hp at 105 kg curb weight. Real-world performance depends on rider weight, gearing, and road conditions.
What gear should I buy for a Yamaha Yz250f? +
Motoryk has curated a Top 10 gear list specifically for the Yamaha Yz250f, covering engine oil, tires, chain, battery, and brake pads — see motoryk.com/bikes/yamaha/yz250f/top10. Each pick is matched to this bike's spec.
