fits model: 250ex, Mark. make: Honda. year: 2006.

( Brand: Honda Motorcycle ), ( Manufacturer Part Number: 87121-HN6-A30ZA ), ( Type: Parts )
The **Honda 87121-HN6-A30ZA 2006 250EX** is a meticulously engineered, full-suspension off-road motorcycle designed for adventurers seeking a perfect blend of durability, performance, and versatility. Built upon Honda s legendary reliability and engineering prowess, this model belongs to the iconic **Africa Twin (CM400)** lineage, though it retains the classic **250cc single-cylinder** powerplant that defines its rugged, no-nonsense character. The **A30ZA** designation indicates a specific model variant, often equipped with a **5-speed transmission** and a **chain final drive**, making it a favorite among riders who prioritize simplicity, low maintenance, and off-road capability over high-revving sportiness.
Under the hood, the **249cc air-cooled single-cylinder engine** delivers a smooth, torque-rich performance, producing approximately **22 horsepower and 18 lb-ft of torque**, which is more than adequate for rough terrain, climbing steep inclines, and carrying heavy loads. The engine is paired with Honda s **dual-into-dual-out exhaust system**, ensuring efficient scavenging and a deep, resonant growl that resonates with purists. Fuel efficiency is another standout feature, with this bike capable of achieving **60-80 miles per gallon** on mixed terrain, making it ideal for long-distance expeditions where fuel stops are scarce.
The **250EX** designation highlights its **extended-range capabilities**, often featuring a **larger fuel tank (around 3.3 gallons)** compared to standard models, allowing riders to venture farther without frequent refueling. The **full-floating front forks** and **dual-shock rear suspension** provide a comfortable yet firm ride, absorbing the harsh impacts of rocky trails, deep ruts, and uneven surfaces while maintaining precise handling. The **spoked wheels** with **knobby off-road tires** (typically **120/90-19 front and 140/80-17 rear**) offer exceptional grip in mud, sand, and loose gravel, making this motorcycle a formidable choice for desert crossings, mountain passes, and remote backcountry adventures.
Mechanically, the **250EX** is built with ruggedness in mind. The **cast-aluminum engine case** and **steel frame** provide structural integrity, while the **wet multi-plate clutch** and **5-speed gearbox** offer smooth, reliable shifting even under demanding conditions. The **chain final drive** is both durable and easy to maintain, though riders should be prepared for occasional lubrication and tension adjustments. The **mechanical disc brake system** (front and rear) ensures consistent stopping power, though it lacks the modern ABS found in newer models, requiring riders to develop a keen sense of balance and control on technical terrain.
The **250EX s ergonomics** are designed for comfort and accessibility. The **upright riding position** reduces fatigue on long rides, while the **adjustable seat height (around 32 inches)** accommodates riders of varying sizes. The **low-slung handlebars** and **spacious footpegs** enhance maneuverability in tight spaces, making it easier to navigate through dense brush or tight trails. The **simple, analog instrument cluster** features a **speedometer, tachometer, fuel gauge, and trip meters**, providing all the essential information without overwhelming the rider. The **minimalist controls** including a **single lever for both clutch and throttle** (common in older Honda models) add to the bike s intuitive operation, though modern riders may find the lack of a separate clutch lever slightly outdated.
One of the most appealing aspects of the **250EX** is its **modularity and customization potential**. Many owners upgrade the engine with **aftermarket kits** to increase displacement (such as the **300cc or 400cc conversions**), significantly boosting power while retaining the bike s off-road character. The **suspension, brakes, and exhaust** can also be easily modified to suit individual preferences, from **long-travel forks** for extreme off-roading to **performance mufflers** for a louder, more aggressive exhaust note. The **open-frame design** allows for easy access to mechanical components, making maintenance a manageable task even for those with limited experience.
The **250EX** is not just a motorcycle; it is a **time-tested companion for explorers** who value **simplicity, endurance, and adaptability**. Whether tackling the **Gobi Desert, the Andes, or the Appalachian backroads**, this bike has earned its reputation as a **legendary off-road machine** capable of handling anything from dusty trails to muddy river crossings. Its **proven reliability** means fewer breakdowns and more time enjoying the journey, while its **affordable parts and service costs** make it a practical choice for riders who want a **no-frills, high-performance adventure bike**. For those who appreciate the **raw, unfiltered thrill of motorcycling** without modern distractions, the **Honda 250EX** remains an iconic symbol of **self-sufficiency and adventure**.
### **Pros and Cons of Buying a 2006 Honda 87121-HN6-A30ZA 250EX**
#### **Pros:**1. **Reliability** Honda is known for durable engines, and the 250EX s 249cc single-cylinder air-cooled engine is well-regarded for longevity, especially with proper maintenance.
2. **Simplicity** The straightforward design makes it easier to repair and maintain compared to more complex modern engines.
3. **Fuel Efficiency** As a small displacement bike, it offers decent fuel economy, typically around 100 120 mpg, making it cost-effective for short commutes or casual riding.
4. **Low Cost of Ownership** Parts are widely available, and labor costs are generally lower than for larger or newer bikes.
5. **Classic Aesthetic** The 250EX has a nostalgic, retro look that appeals to riders who prefer a simpler, uncluttered design.
6. **Lightweight** At around 200 220 lbs, it s easy to handle and maneuver, making it suitable for urban or tight-space riding.
7. **Proven Performance** The engine is smooth for its size, with adequate power for city riding and light highway use.
8. **Minimal Electronics** Fewer sensors and systems mean fewer things can go wrong, reducing long-term maintenance hassles.
#### **Cons:**1. **Outdated Technology** Lacks modern features like traction control, ABS, or advanced fuel injection, which can be a safety concern in slippery conditions.
2. **Poor High-Speed Stability** The lightweight frame and single-cylinder engine can make it feel unstable at higher speeds or in strong winds.
3. **Limited Power** The 249cc engine produces only about 18 20 horsepower, which may feel underpowered for aggressive riding or carrying heavy loads.
4. **Comfort Limitations** The ergonomics are basic, and the seat may not be supportive for long rides. Suspension is minimal, leading to a firmer ride.
5. **Resale Value** Older models like this depreciate quickly, and finding buyers may be difficult compared to newer or more popular bikes.
6. **Environmental Regulations** Some areas have emissions standards that may require modifications or limit where the bike can be ridden.
7. **No Disc Brakes (Original Models)** Many 2006 models come with drum brakes, which are less effective than disc brakes in stopping power and heat dissipation.
8. **Limited Aftermarket Support** While parts exist, customization options (e.g., exhaust, suspension upgrades) are more limited compared to modern bikes.
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### **Conclusion**
The **2006 Honda 250EX** is a solid choice if you prioritize **simplicity, reliability, and low cost** for casual or commuter use. It excels in urban environments where power and speed are not critical, and its straightforward design makes it easy to maintain. However, it falls short in **modern safety features, comfort, and high-speed stability**, making it less ideal for aggressive riding or long-distance trips.
If you re looking for a **budget-friendly, no-frills bike** for short rides, light commuting, or as a backup machine, this model is a practical option. But if you need **better handling, power, or advanced safety features**, consider a newer model or a different brand.
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### **Recommendation**
**Buy it if:**- You need a **cheap, reliable bike** for city commuting or occasional rides.
- You prefer **minimalist design** and don t mind basic ergonomics.
- You re comfortable with **manual maintenance** and don t require advanced features.
- You plan to **keep it for a short period** (e.g., as a starter bike or backup).
**Avoid it if:**- You ride **aggressively** or at high speeds, where stability and power matter.
- You prioritize **modern safety features** (ABS, traction control).
- You expect **long-term comfort** on extended rides.
- You re in a region with **strict emissions laws** that may restrict older bikes.
**Alternatives to Consider:**- **Newer 250cc bikes** (e.g., Honda CB300R, Yamaha MT-03) for better tech and handling.
- **Used 400cc bikes** (e.g., Honda CB500F, Kawasaki Ninja 400) if you need more power.
- **Electric scooters** (e.g., Honda PCX) for urban convenience with modern features.
Ultimately, the 2006 Honda 250EX is a **functional but outdated** choice ideal for those who value simplicity over sophistication.
Buyer should verify this is the exact part needed before purchasing.