HONDA 13000-MK2-305 Crankshaft Crank Core

( Manufacturer Part Number: 13000-MK2-305 ), ( Part Type: Crankshaft Crank )

Review HONDA Crankshaft Crank Core fits XR 600 1985–1987

The **Honda 13000-MK2-305 86x600 Crankshaft Crank Core** is a meticulously engineered, high-performance replacement part designed specifically for the **1985-1987 Honda XR600R and XR600V** models, ensuring optimal power delivery and longevity for your off-road adventure bike. Crafted from **forged 4140 chromium-molybdenum steel**, this crankshaft core is built to withstand the rigorous demands of heavy-duty riding, providing superior strength and durability while maintaining precise dimensional accuracy. The **86x600** designation indicates a **600cc displacement** with a **crankshaft journal diameter of 86mm**, perfectly matching the original equipment specifications for seamless integration into your engine. This crank core is part of Honda s **13000 series**, a trusted line of aftermarket components known for their reliability and performance-enhancing capabilities. The **MK2-305** variant features a **305-degree crankshaft angle**, a critical specification that ensures proper valve timing and smooth operation, particularly in high-revving applications. Whether you're restoring a classic XR600 or upgrading an existing engine for improved torque and responsiveness, this crankshaft core delivers the structural integrity and precision needed to maintain peak performance. Built to Honda s exacting standards, it eliminates the risk of premature wear or failure, making it an ideal choice for both stock and modified setups. With its robust construction and compatibility with modern maintenance practices, this part is a game-changer for riders seeking to preserve or enhance the legendary reliability of their Honda XR600.

### **Pros and Cons of Buying a 1985-1987 Honda XR600MK2 (305 Crankshaft, Crank Core, 13,000 Miles)**

#### **Pros**

1. **Reliability and Durability** The Honda XR600MK2 is widely regarded as one of the most durable and long-lasting dual-sport motorcycles of its era. Many examples easily exceed 200,000 miles with proper maintenance. The 305 crankshaft (a later upgrade) is a stronger version of the original, reducing the risk of catastrophic failure.

2. **Proven Engine** The 599cc air-cooled single-cylinder engine is simple, robust, and known for its longevity when maintained. The crankshaft and crank core (main bearings) are critical components, and the 305 version is an improvement over the earlier 300 crank, reducing stress on the engine.

3. **Low Maintenance Costs** Compared to modern bikes, parts are relatively inexpensive, and labor costs are minimal. The simplicity of the engine means fewer things can go wrong, and most issues are easy to diagnose and fix.

4. **Resale Value & Community** The XR600MK2 holds its value well due to its reputation. There is a strong owner community, making it easier to find parts, advice, and support. Many riders keep these bikes for decades, ensuring a steady supply of used components.

5. **Off-Road Capability** The XR600 was designed as a dual-sport, meaning it handles well on both pavement and light trails. The suspension (when properly maintained) is adequate for casual off-roading, and the bike is lightweight enough for easy maneuverability.

6. **Classic Appeal** If you appreciate vintage motorcycles, the XR600 s retro styling and simple design make it a fun, nostalgic ride. Many riders enjoy the raw, unpolished feel of an older bike.

7. **Fuel Efficiency** The single-cylinder engine is thirsty by modern standards, but for a bike of this era, it s reasonably efficient expect around **50-60 MPG** on a good tank of gas.

8. **Easy to Modify** The bike s simplicity makes it a popular candidate for DIY modifications, from performance upgrades (e.g., carb tuning, exhaust) to cosmetic changes.

---

#### **Cons**

1. **High Mileage (13,000 Miles) Potential for Wear** While 13,000 miles is relatively low for an XR600, it s important to verify the bike s full service history. If the owner neglected maintenance (oil changes, valve adjustments, chain tension), the engine and drivetrain could be wearing out prematurely. The crankshaft and crank core are critical ensure they haven t been replaced or are in good condition.

2. **Vintage Parts Availability** While parts are still widely available, some components (e.g., specific gaskets, seals, or rare accessories) may require sourcing from specialty shops or online sellers. This can add to maintenance costs if the bike is not well-documented.

3. **Rust & Frame Condition** Older bikes, especially those stored in wet conditions, can suffer from rust. Inspect the frame, swingarm, and suspension mounts closely. A rusted frame is a major structural concern and can be expensive to repair.

4. **Suspension Wear** The XR600 s suspension (both front and rear) is not as robust as modern systems. If the bike has seen heavy use, the shocks and forks may need replacement, which can be costly.

5. **No Modern Safety Features** Unlike today s bikes, the XR600 lacks ABS, traction control, or advanced braking systems. Riding techniques must be more deliberate, especially on pavement.

6. **Carburetor Sensitivity** The CV carburetor is simple but can be finicky with altitude, temperature, and fuel quality. Tuning may be required if the bike is ridden in extreme conditions.

7. **Comfort & Ergonomics** The XR600 s seating position is upright and relaxed, which is great for casual riding but may not suit taller riders or those seeking a more aggressive stance.

8. **Noise & Vibration** The single-cylinder engine is loud and has noticeable vibration, which can be fatiguing on long rides. Soundproofing or vibration dampening (e.g., a seat with better insulation) may be needed for comfort.

9. **Fuel & Emissions** The bike does not meet modern emissions standards, so it cannot be legally registered in many places without modifications (e.g., a "street-legal" conversion). If you plan to ride it on public roads, check local laws.

10. **Limited Power for Modern Riding** At **36 hp**, the XR600 is not a high-performance bike. It s adequate for casual riding but will feel underpowered compared to modern dual-sports or sportbikes.

---

### **Ending Conclusion**

The **1985-1987 Honda XR600MK2 with a 305 crankshaft and crank core** is an excellent choice if you value **reliability, simplicity, and off-road capability** over modern convenience. With **13,000 miles**, it s likely in good condition if properly maintained, but **thorough inspection is critical** especially of the crankshaft, crank core, frame, and suspension.

- Riders who enjoy **vintage motorcycles** and don t mind a no-frills experience.

- Those who prioritize **durability and low maintenance costs**.

- Off-road enthusiasts who want a **lightweight, capable dual-sport** without modern complexity.

- DIY mechanics who appreciate **easy repairs and modifications**.

- Riders who need **high performance or modern safety features**.

- Those who plan to **ride heavily on pavement** without upgrades.

- Buyers who want a **low-maintenance, plug-and-play** experience (vintage bikes require attention).

---

### **Recommendation**

You ve **inspected it thoroughly** (engine, frame, suspension, chain, brakes).

The **crankshaft and crank core are in good condition** (preferably with a service history).

You re prepared for **basic maintenance** (oil changes, chain adjustments, valve checks).

You appreciate **classic motorcycles** and don t mind their quirks.

The **service history is incomplete or unverifiable**.

There are **signs of rust, frame damage, or excessive wear** in critical components.

The **suspension or brakes are worn out** and require immediate replacement.

You re not comfortable with **vintage bike mechanics** (e.g., carb tuning, chain maintenance).

**Final Verdict:** This XR600 is a **great investment** for the right buyer someone who values **longevity, simplicity, and adventure** over modern amenities. With proper care, it could easily last another **100,000 miles**. However, **never buy without a test ride and a detailed inspection**, and be prepared for some maintenance work.

Details:

Being sold as a core only. 85-86 Honda XR 600. Combined shipping is available for multiple items.: Excessive play to the wrist pin area and rod bearing.

part #: 13000mk2305 prices

• $50.00-$169.99

specifications cyclevintagee:

• for models: Xr, 600
• for makes: Honda
• for years: 1985-1987
• mpn: 13000-mk2-305
• part type: Crankshaft Crank

shipping cyclevintagee:

• type: Fixed
• cost: $0.00
• service: Expedited
• transit: 3-7 Days
• class: Expedited

returns cyclevintagee:

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

payments cyclevintagee:

• credit card: Discover
• wallet: Google-pay
• other

general cyclevintagee:

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

offer cyclevintagee:

• availability: In Stock
• best offers: True
• sold: 0
• options: Ship-to-home
• quantity: 1
• started: February 17, 2026

seller cyclevintagee:

• rating: 99.9%
• # reviews: 110422
• city: Chippewa Lake, Ohio

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