1. Antique, Vintage, Historic Motorcycle Parts For Sale
  2. sku: 21599158775791892
  3. HONDA 28259-399-000

HONDA 28259-399-000 Twinstar Kickstart Ratchet

fits model: Cm185. make: Honda. year: 1978.

28259-399-000 Honda 1978 Cm185 Twinstar Kickstart Ratchet Guide

( Manufacturer Part Number: 28259-399-000 ), ( Part Type: Ratchet Guide ), ( Machine Type: Motorcycle ), ( Color: Silver ), ( Material: Steel ), ( Vintage Part: Yes ), ( Placement On Vehicle: Front ), ( Unit Type: Unit ), ( Universal Fitment: No ), ( Country Of Origin: Japan )

Review HONDA Twinstar Kickstart Ratchet Guide fits CM185 1978

The **Honda 28259-399-000 1978 CM185 TwinStar Kickstart Ratchet** is a meticulously crafted, high-performance engine designed for durability, efficiency, and ease of use, embodying Honda s legendary reputation for reliability and innovation. Part of the iconic **CM185 TwinStar** series, this air-cooled, single-cylinder engine is a classic choice for a wide range of applications, from lawnmowers and go-karts to small utility vehicles and even custom builds. With a displacement of **185cc**, it delivers a balanced blend of power and smooth operation, making it ideal for both light-duty tasks and more demanding projects where consistent performance is essential.

The **kickstart mechanism** ensures effortless ignition, allowing users to start the engine with minimal effort, even in cold or damp conditions a feature that sets it apart from many competitors. The **ratchet design** of the flywheel enhances the engine s starting torque, providing a more responsive and reliable crank, which is particularly beneficial in applications where quick, repeated starts are required. This engine is built with Honda s signature **precision engineering**, featuring a robust **cast-iron cylinder sleeve** and a **forged crankshaft** to withstand the rigors of frequent use without sacrificing longevity.

One of the standout features of the **CM185 TwinStar** is its **dual-spark ignition system**, which ensures a cleaner burn and improved fuel efficiency compared to traditional single-spark engines. This design not only reduces emissions but also contributes to a quieter operation, making it a more pleasant choice for extended use. The engine s **air-cooled construction** eliminates the need for a complex cooling system, simplifying maintenance while still providing effective thermal management. Additionally, the **direct-drive design** allows for straightforward integration into various applications, whether through a pulley system, direct shaft, or belt drive, offering versatility for custom builds or aftermarket modifications.

Built to last, the **CM185 TwinStar** is constructed with high-quality materials, including a **pressure-lubricated big-end bearing** and a **sealed crankcase**, which minimizes oil consumption and extends the engine s lifespan. The **magnetic plug** design ensures that metal debris is captured, protecting the internal components from wear, while the **durable carburetor** (often a **Honda 1978-era model**) is tuned for optimal performance, balancing throttle response with fuel economy. For those looking to maintain or upgrade their setup, Honda s reputation for compatibility means that replacement parts, such as the **ratchet flywheel (28259-399-000)**, are widely available, ensuring that this engine remains a dependable workhorse for decades.

Whether used in a **lawnmower, go-kart, or custom ATV**, the **Honda 28259-399-000 1978 CM185 TwinStar Kickstart Ratchet** combines **reliability, power, and simplicity** in a package that appeals to both hobbyists and professionals. Its timeless design, combined with Honda s engineering excellence, makes it a sought-after choice for those who demand an engine that can handle the toughest jobs without the hassle of frequent repairs. With proper maintenance such as regular oil changes, carburetor adjustments, and spark plug replacements this engine will continue to deliver **consistent performance year after year**, proving that some things, like a well-built Honda, are truly built to last.

### **Pros and Cons of Buying a 1978 Honda CM185 TwinStar (Engine Part #28259-399-000)**

#### **Pros:**

1. **Reliability and Durability** Honda engines from this era are known for their robust construction and long-lasting performance. The CM185 TwinStar is a classic design with a reputation for durability, especially when properly maintained.

2. **Classic Design with Practicality** The TwinStar engine was designed for off-road use, featuring a simple yet effective kickstart mechanism and a ratchet starter (useful in cold or hard-to-start conditions). This makes it well-suited for utility tasks, farming, or light off-road applications.

3. **Ease of Maintenance** Compared to modern engines, the CM185 is relatively straightforward to service. Parts are widely available, and many mechanics are familiar with Honda s older models. Common issues like carburetor adjustments, spark plug replacements, and oil changes are manageable for DIYers.

4. **Fuel Efficiency** For its size and power, the CM185 is reasonably efficient, making it cost-effective for occasional use. It runs on standard gasoline without requiring premium fuel.

5. **Resale Value and Collectibility** Honda s older engines, especially well-maintained ones, hold value among collectors and enthusiasts. If you plan to keep it as a backup or for nostalgia, it may appreciate over time.

6. **Versatility** The engine can be adapted to various applications, from generators and pressure washers to small tractors or ATVs, depending on modifications.

7. **Proven Performance** The 185cc displacement provides enough power for light-duty tasks, and the twin-cylinder design offers smooth operation compared to single-cylinder alternatives.

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#### **Cons:**

1. **Age and Wear** A 1978 engine is over 40 years old, meaning it may have significant wear, especially if it has not been regularly maintained. Common issues include worn piston rings, cylinder scoring, or a failing starter mechanism.

2. **Limited Modern Support** While parts are available, finding OEM Honda components may be challenging compared to newer models. Some aftermarket parts may not fit perfectly or could compromise performance.

3. **Emissions and Regulations** Older engines like this do not meet modern emissions standards. If you plan to use it in areas with strict environmental laws (e.g., certain states or countries), you may face restrictions or need modifications to comply.

4. **Fuel and Oil Requirements** The engine likely requires two-stroke oil mixed with gasoline (if it s a two-stroke model) or standard four-stroke oil. Using the wrong type can damage the engine quickly.

5. **Kickstart Mechanism Limitations** While the kickstart is a useful feature, it can be difficult to engage if the engine is seized or if the kick mechanism itself is worn out. The ratchet starter helps but may not be sufficient for all starting conditions.

6. **Potential for Hidden Damage** Without a thorough inspection, you may not discover issues like cracked blocks, leaking head gaskets, or a failing alternator (if equipped). Buying used always carries the risk of unknown problems.

7. **Noise and Vibration** Older engines tend to be louder and vibrate more than modern counterparts. This may be acceptable for utility use but could be annoying for indoor or residential applications.

8. **Depreciation** Unlike newer engines, this model will not retain value over time. If you plan to sell it later, you may not recover much of your investment.

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### **Conclusion:**

The **1978 Honda CM185 TwinStar** is a solid choice if you need a **reliable, low-maintenance, and versatile engine for off-road or utility work**, and you re willing to invest time in maintenance. It excels in durability, simplicity, and adaptability but comes with the drawbacks of age, potential hidden issues, and lack of modern support.

If you re looking for a **long-term backup, a project engine, or a nostalgic piece**, this could be a great find especially if it s in good condition and well-documented. However, if you need **emissions-compliant, low-noise, or high-performance** equipment, a newer model would be a better investment.

---

### **Recommendation:** - **Buy if:**

- You have mechanical experience and are prepared for maintenance.

- You need a **budget-friendly, off-road-capable engine** for occasional use.

- You re okay with potential noise and emissions limitations.

- You plan to **restore or modify** it rather than use it immediately.

- **Avoid if:**

- You need a **modern, emissions-compliant engine** for regular use.

- You lack mechanical knowledge or time for repairs.

- The engine has **no service history**, and a full inspection is not possible.

- You re looking for **high efficiency, low noise, or warranty support**.

**Final Verdict:** This engine is a **great value for enthusiasts or those needing a rugged, no-frills power source**, but it s not ideal for those seeking convenience or modern reliability. Always **inspect thoroughly, test run it, and consider a professional inspection** before purchasing.

Details:

Kawasaki F6 125 or a Honda TRX 350 Yamaha xt550, ATC 185, 1995 Arctic Cat Tiger shark Montage jet ski, 1991 Yamaha warrior feel free to reach out. When buying used parts, keep in mind that components like bearings, ball joints, seals, O-rings, and gaskets may be worn should inspected or replaced as needed. All parts are sold as-is. What you see is exactly what you'll receive.

I highly recommend replacing any bearings or seals before installing the part on your machine to ensure best performance. You can call or me at and I ll be happy to help.

part #: 28259399000 prices

  • $7.00-$17.00

specifications cyclevintagee:

  • for models: Cm185
  • for makes: Honda
  • for years: 1978
  • mpn: 28259-399-000
  • part type: Ratchet Guide
  • machine type: Motorcycle
  • color: Silver
  • material: Steel
  • vintage part: Yes
  • placement on vehicle: Front
  • unit type: Unit
  • universal fitment: No
  • country of origin: Japan

payments cyclevintagee:

  • other
  • wallet: Paypal
  • credit card: Visa

general cyclevintagee:

  • Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories
  • condition: Used

returns cyclevintagee:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller

seller cyclevintagee:

  • rating: 99.5%
  • city: Salina, Kansas
  • # reviews: 225

offer cyclevintagee:

  • started: April 5, 2026
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • best offers: True
  • quantity: 1

shipping cyclevintagee:

  • class: Standard
  • type: Calculated
  • service: USPS Ground Advantage
  • carrier: USPS
  • transit: 4-9 Days
  • cost: $0.00
for models: cm185, for makes: honda, for years: 1978, part type: ratchet guide, machine type: motorcycle, vintage part: yes, placement on vehicle: front, unit type: unit, universal fitment: no, country of origin: japan,
category: motorcycle parts > motorcycle scooter parts accessories, color: silver, material: steel, sku: 21599158775791892,
Honda 28259-399-000 Is Similar To:
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2 offers $7.00–$17.00 USD
  • Used. Offer #1 priced at $7.00 + $5.40 shipping estimate = $12.40* total. Parts are listed for the year and model stated.+$5.40 shipping
  • Used. Offer #2 priced at $17.00 + $0.00 shipping estimate = $17.00* total. Kawasaki F6 125 or a Honda TRX 350 or a Yamaha xt550, Honda ATC 185, 1995 Arctic Cat Tigershark Montego jet ski, 1991 yamaha warrior 350 feel free to reach out! seals before installing the part on your.FREE SHIPPING

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