1. Boat Outboard Engines To Buy
  2. sku: 21715657394989792
  3. HONDA 21110-P5D-000

HONDA 21110-P5D-000 Outboard Engines

fits make: Honda.

21110-p5d-000 Honda Case For

( Manufacturer Part Number: 21110-P5D-000 ), ( Part Type: Engine Case )

Review HONDA Case

The **Honda 110cc 2-Stroke Air-Cooled Engine (Part Number: 21110-P5D-000)** is a precision-engineered powerhouse designed to deliver reliable performance across a wide range of applications, from lawnmowers and pressure washers to go-karts and small utility vehicles. This compact yet robust engine exemplifies Honda s legendary reputation for durability, efficiency, and ease of maintenance, making it an ideal choice for both professional operators and DIY enthusiasts. Built with a lightweight yet sturdy aluminum cylinder and piston assembly, the 21110-P5D-000 ensures smooth operation while minimizing wear over extended use. Its air-cooled design eliminates the need for complex cooling systems, reducing maintenance requirements and simplifying installation in portable or outdoor equipment. The engine features a single-cylinder, two-stroke configuration with a displacement of 108cc (though often marketed as 110cc), producing approximately 3.5 to 5 horsepower depending on the application, which is sufficient for light to moderate workloads without sacrificing fuel efficiency. The recoil-start mechanism is both user-friendly and dependable, allowing for quick ignition with minimal effort, while the integrated carburetor is finely tuned for optimal fuel-air mixture, ensuring consistent power delivery and reduced emissions. Whether integrated into a lawnmower for precise cutting performance or a pressure washer for efficient cleaning, this engine operates with remarkable reliability, thanks to Honda s reputation for long-lasting components and a robust crankshaft design that resists bending or fatigue. Additionally, the 21110-P5D-000 is designed with practicality in mind, featuring a compact footprint and easy-access components for routine servicing, such as oil changes and spark plug replacements. With its blend of performance, simplicity, and Honda s proven engineering, this engine stands as a versatile and dependable power source for a variety of mechanical applications.

### **Pros and Cons of Buying a Honda 21110-P5D-000 (2011 Honda Civic Si) with Recommendation**

#### **Overview**

The **Honda 21110-P5D-000** is a **2011 Honda Civic Si**, part of the **EJ253 engine family**, known for its sporty handling, reliable drivetrain, and strong aftermarket support. This model was sold in the U.S. and Canada, featuring a **2.4L naturally aspirated inline-4 engine (182 hp)**, a **6-speed manual transmission**, and a **rear-wheel-drive (RWD) layout**. Below is a detailed breakdown of its strengths and weaknesses.

---

### **Pros**

1. **Strong Engine and Performance**

- The **EJ253 engine** is well-regarded for its durability, especially when maintained properly. It produces **182 hp and 161 lb-ft of torque**, which is adequate for spirited driving.

- The **manual transmission** is smooth and engaging, offering a more connected driving experience compared to automatics.

- The **RWD layout** provides better handling dynamics than FWD, making it more enjoyable for track days or spirited driving.

2. **Reliability and Longevity**

- Honda s **EJ-series engines** are known for lasting **200,000 miles** with proper maintenance, especially if the **timing belt and water pump** are changed at the manufacturer s recommended intervals (typically **100,000 miles**).

- The **transmission and drivetrain** are robust, with fewer common failure points compared to some competitors.

- The **civic Si s chassis** is well-balanced, with a **stiffer suspension** than the sedan, making it more responsive.

3. **Aftermarket Support and Modding Potential**

- The **EJ253 engine** has a **strong aftermarket**, with readily available parts for **turbocharging, supercharging, or forced induction tuning**.

- **Performance chips (e.g., AEM, Haltech, or standalone ECU)** are widely available and can significantly improve power output.

- **Suspension upgrades (coilovers, sway bars, bushings)** and **brake improvements** are common and effective.

- **Exhaust and intake modifications** are straightforward, allowing for noticeable power gains without major mechanical changes.

4. **Fuel Efficiency (Compared to Modern Turbos)**

- While not as efficient as modern turbocharged cars, the **naturally aspirated EJ253** gets ** 25-30 MPG in the city and 35-40 MPG on the highway**, which is decent for a sporty RWD car of its era.

- Unlike turbocharged Civics, it **does not suffer from turbo lag or reliability issues** associated with forced induction.

5. **Driving Enjoyment and Sportiness**

- The **civic Si s chassis tuning** makes it more agile than the standard Civic, with **quicker steering, firmer suspension, and better weight distribution**.

- The **manual transmission** enhances engagement, making it a favorite among gearheads.

- The **interior is well-built**, with **durable materials** (though not as premium as later models).

6. **Lower Cost of Ownership (Compared to Modern Sports Cars)**

- **Parts are cheap** compared to modern performance cars, and labor costs are reasonable.

- **Insurance is often lower** than for contemporary turbocharged or supercharged cars.

- **Depreciation is minimal** older Civics hold value better than many modern budget sports cars.

7. **Track and Drift Potential**

- The **EJ253 s torque curve** makes it **well-suited for drifting** (especially with a **limited-slip differential**).

- It performs well on **track days** with proper suspension and brake upgrades.

- The **lightweight chassis** allows for **aggressive modifications** without excessive weight penalties.

8. **Classic Appeal and Community**

- The **2011 Civic Si** is part of a **popular generation** with a **dedicated fanbase**, making it easier to find parts, tuning help, and community support.

- It fits well in the **"budget JDM/NA sport car"** niche, appealing to enthusiasts who want **performance without a high price tag**.

---

### **Cons**

1. **Outdated Technology and Comfort**

- The **infotainment system** is **basic (CD player, auxiliary input, no Bluetooth in base models)** later Civics have better tech.

- **Seating comfort** is **stiff and sporty**, which may not appeal to those seeking luxury.

- **Noise levels** are higher than modern cars, especially at highway speeds.

2. **Reliability Concerns with Neglect**

- The **EJ253 is not bulletproof** **timing belt failure can destroy the engine** if not maintained.

- **Oil leaks** (valve cover gasket, oil filter housing gasket) are **common** and require attention.

- **Suspension wear** (ball joints, bushings, struts) can occur **before 100,000 miles** if not driven gently.

- **Transmission wear** (especially in high-mileage examples) can lead to **rough shifting or failure** if not serviced.

3. **Power Limitations**

- **182 hp is adequate but not overwhelming** modern turbocharged Civics (e.g., 2016 K20Z3) or naturally aspirated JDM cars (e.g., Mazda RX-7, Toyota 86) offer **more power**.

- **Stock power is not enough for serious track use** without **major modifications**.

- **Torque delivery is linear but not as strong as a turbocharged engine** in the lower RPM range.

4. **Fuel Economy is Mediocre by Modern Standards**

- ** 25-30 MPG city, 35-40 MPG highway** is **decent for a sporty RWD car**, but **modern hybrids and turbocharged cars** achieve **40 MPG with similar power**.

- **Gasoline costs** add up over time compared to more efficient alternatives.

5. **Safety Features Are Basic**

- **No standard stability control** (though later models added it).

- **Basic airbag system** (no advanced driver-assist features like lane-keeping).

- **Crash test ratings** are **not as high as modern cars** (though the Civic Si is still a **decent safety pick for its time**).

6. **Modding Can Be Expensive**

- While parts are **cheap**, **high-quality aftermarket upgrades (e.g., coilovers, turbo kits, ECUs)** can add up quickly.

- **Labor costs** for major mods (e.g., engine swaps, suspension work) can be **significant**.

7. **Depreciation is Slow but Not Nonexistent**

- The **2011 Civic Si holds value better than most budget sports cars**, but it **does not appreciate**.

- **High-mileage examples (over 150K miles) may require more maintenance**, reducing long-term value.

8. **Not as Refined as Modern Alternatives**

- **Vibration and road noise** are more noticeable than in modern cars.

- **Clutch wear** (if manual) can be an issue in high-mileage examples.

- **Braking performance** is **adequate but not exceptional** without upgrades.

---

### **Conclusion**

The **2011 Honda Civic Si (21110-P5D-000)** is a **fantastic choice for enthusiasts** who want a **reliable, mod-friendly, and enjoyable sporty car** without breaking the bank. It excels in **driving fun, aftermarket support, and longevity** when properly maintained. However, it **lacks modern comforts, has some reliability quirks, and is not as powerful as newer turbocharged alternatives**.

This car is **ideal for:**

- **Manual transmission lovers** who enjoy **engaged driving**.

- **Enthusiasts who want to mod** (turbo, suspension, brakes, etc.).

- **Budget-conscious buyers** who prioritize **performance and reliability over luxury**.

- **Track/drift enthusiasts** who want a **lightweight, affordable platform**.

- **Owners who appreciate classic JDM-style sportiness**.

It is **less ideal for:**

- **Those who want modern tech (Bluetooth, touchscreens, advanced safety)**.

- **People who prioritize fuel efficiency over power**.

- **Buyers who dislike stiff seating or higher noise levels**.

- **Those who want a "set-and-forget" car** (requires **regular maintenance**).

---

### **Final Recommendation**

**Buy the 2011 Honda Civic Si if:**

You **love manual transmissions** and want a **fun, engaging drive**.

You **plan to modify it** (turbo, suspension, brakes, etc.).

You **prioritize reliability and longevity** with proper maintenance.

You **enjoy the JDM/sporty car aesthetic** and don t mind older tech.

You **find

Details:

Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle. 21110-P5D-000 Case for Honda: Part Number: Manufacturer: HONDA. Designed specifically for trucks, trailers, and buses. Engineered using the latest technology to ensure product lasts longer in service.

Made of high-quality components for durability, reliability, and performance. Manufactured following strict OE standards to work like the original component.

part #: 21110p5d000 price

  • $218.44

specifications ouboaen:

  • for makes: Honda
  • mpn: 21110-p5d-000
  • part type: Engine Case

offer ouboaen:

  • availability: In Stock
  • options: Ship-to-home
  • started: February 1, 2026
  • quantity: 1
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  • sold: 0

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  • Boat Parts > Outboard Engines Components > Other
for makes: honda, part type: engine case,
category: boat parts > outboard engines components, sku: 21715657394989792,
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