1. Motorcycle Engine Bearings For Sale
  2. sku: 11926638069288603
  3. KTM 78930018088

KTM 78930018088 Crankshaft Repair Kit

fits make: Ktm.

78930018088 Ktm Genuine Crankshaft Repair Kit -

( Manufacturer Part Number: 78930018088 ), ( Part Type: Crankshaft ), ( Manufacturer Warranty: 1 Year )

Review KTM Genuine Crankshaft Repair Kit

The **KTM 78930018088 Crankshaft Repair Kit** is a meticulously engineered, high-performance solution designed exclusively for KTM s high-revving, twin-cylinder engines, ensuring peak mechanical integrity and reliability for both off-road and on-road applications. This premium repair kit is crafted to address the critical components of the crankshaft assembly, delivering uncompromising durability and precision for riders who demand nothing less than flawless performance. At its core, the kit features a **forged steel crankshaft** with precision-machined journals and counterweights, engineered to withstand the extreme stresses of high RPMs and aggressive riding styles. The crankshaft s robust construction minimizes vibration and flex, enhancing engine smoothness and longevity while maintaining optimal power delivery across the entire rev range. Complementing the crankshaft is a **high-quality main bearing set**, featuring advanced materials such as **sintered metal or composite-backed bearings**, which provide superior load-bearing capacity and resistance to wear, even under the most demanding conditions. These bearings are precision-fitted to ensure minimal clearance, reducing friction and maximizing efficiency, which is particularly beneficial for engines that operate at elevated temperatures.

The repair kit also includes a **crankshaft seal kit**, featuring high-performance rubber or composite seals designed to prevent oil leaks and maintain proper lubrication within the crankcase. These seals are engineered to endure the harsh environments of off-road use, where exposure to dirt, debris, and extreme temperatures can compromise standard components. Additionally, the kit may incorporate **crankshaft bolts** with high-torque specifications and anti-loosening features, such as serrated threads or locking compounds, to ensure the crankshaft remains securely fastened under the dynamic forces of engine operation. For engines that require it, the kit might also include **crankshaft damper components**, such as a harmonic balancer or vibration damper, which help mitigate torsional vibrations and enhance driveline smoothness, particularly in high-performance applications.

Beyond its core components, the **KTM 78930018088 Crankshaft Repair Kit** is backed by KTM s commitment to quality and performance, ensuring compatibility with the brand s latest engine designs while adhering to strict manufacturing standards. Whether used for routine maintenance, engine rebuilds, or performance upgrades, this kit is an indispensable solution for mechanics and enthusiasts seeking to restore or enhance the reliability and power output of their KTM engine. Its inclusion of genuine OEM parts or high-grade aftermarket alternatives depending on the specific application guarantees that riders can trust in the kit s ability to deliver consistent, high-performance results, season after season. By addressing the most critical wear points within the crankshaft assembly, this repair kit not only extends the engine s lifespan but also ensures that it operates at its intended performance levels, making it an essential investment for anyone serious about maintaining or upgrading their KTM powertrain.

### **Pros and Cons of buying a KTM 78930018088 Crankshaft Repair Kit**

#### **Pros:**

The KTM 78930018088 crankshaft repair kit is designed for specific KTM and Husqvarna dual-sport and adventure motorcycles, particularly those with the **LC8 engine** (common in models like the 2015 2019 KTM 790/890 ADV, 790/890 Duke, and 790/890 SMi-R). Here are the key advantages:

1. **OEM Quality and Compatibility**

- This is an **official or high-quality aftermarket replacement** part, meaning it meets KTM s engineering standards. It is designed to fit seamlessly with the original engine components, reducing the risk of misalignment or performance issues.

- The kit includes **new bearings, seals, and sometimes a crankshaft** (depending on the specific model and wear), ensuring all critical components are replaced rather than just patched.

2. **Prevents Catastrophic Engine Failure**

- A failing crankshaft can lead to **severe engine damage**, including bent connecting rods, damaged pistons, or even a seized engine. Replacing the crankshaft and associated parts before failure prevents costly repairs.

- The kit often includes **new main bearings and seals**, which are prone to wear and can cause oil leaks or excessive noise if neglected.

3. **Restores Performance and Reliability**

- A worn crankshaft can cause **power loss, rough idle, or excessive vibration**, especially under load. Replacing it restores smooth operation and maintains the engine s intended performance.

- New bearings reduce friction, improving fuel efficiency and longevity.

4. **Warranty and Brand Support**

- If purchased from an **authorized KTM dealer or a reputable aftermarket supplier**, the kit may come with a warranty, providing peace of mind.

- KTM s service network is well-equipped to handle crankshaft repairs, ensuring proper installation and diagnostics.

5. **Cost-Effective Compared to Engine Replacement**

- While the cost of the kit is significant, it is **far cheaper than a full engine rebuild or replacement**. A new engine can cost **$8,000 $12,000 **, whereas a crankshaft repair kit typically ranges from **$1,500 $3,000** (depending on labor and additional parts needed).

6. **Extends Engine Lifespan**

- If the rest of the engine is in good condition, a crankshaft replacement can **add thousands of miles** to the bike s life. This is particularly valuable for high-mileage adventure bikes.

7. **Professional-Grade Components**

- The kit uses **high-quality materials**, such as **forged steel crankshafts and precision-machined bearings**, which are built to last under heavy loads.

---

#### **Cons:** While the benefits are significant, there are some drawbacks to consider:

1. **High Upfront Cost**

- The kit itself is expensive, and **labor costs for installation** (especially if done by a dealer) can add **$1,000 $2,500 **, depending on the shop s rates.

- If additional parts (e.g., pistons, rods, or seals) are needed, the total cost can escalate quickly.

2. **Complex Installation Requires Expertise**

- Replacing a crankshaft is a **highly technical job** that involves **disassembling the engine, removing the cylinder head, and performing precision measurements**.

- **DIY installation is not recommended** unless the mechanic has extensive experience with KTM engines. Improper installation can lead to **engine damage, oil leaks, or premature failure**.

- Most riders will need to take the bike to a **specialized KTM/Husqvarna dealer or a high-end motorcycle shop**.

3. **Potential for Additional Wear**

- If the **connecting rods, pistons, or camshaft** are worn beyond specification, they may need replacement alongside the crankshaft. This can increase costs.

- The **timing chain and sprockets** may also require inspection and replacement if they are stretched or damaged.

4. **Time Off the Bike**

- A crankshaft repair is a **multi-day job**, especially if done professionally. The bike will be out of commission for **at least 3 5 days**, depending on the shop s workload.

- For riders who rely on their bike for daily use, this downtime can be inconvenient.

5. **Mixed Reviews on Aftermarket Kits**

- While KTM s official parts are reliable, **third-party kits** may vary in quality. Some riders report issues with **cheaper aftermarket crankshafts** developing cracks or wear prematurely.

- It s crucial to **verify the supplier s reputation** and ensure the kit is **genuine or from a trusted brand** (e.g., **KTM, Husqvarna, or reputable aftermarket suppliers like **Raceface, Motorex, or JE**.

6. **Risk of Overkill for Low-Mileage Bikes**

- If the bike has **under 20,000 miles** and the crankshaft is still in good condition, replacing it **preventively** may not be necessary. In such cases, **monitoring for symptoms** (noise, vibration, oil leaks) is a better approach.

7. **Potential for Hidden Damage**

- During disassembly, the mechanic may discover **other issues** (e.g., warped crankcase, damaged bearings, or internal corrosion) that weren t initially apparent. This can lead to **unexpected additional costs**.

---

### **Conclusion**

The **KTM 78930018088 crankshaft repair kit** is a **critical investment for bikes showing signs of crankshaft wear** (excessive noise, vibration, oil leaks, or poor performance). It is **far more cost-effective than a full engine replacement** and can **extend the life of a high-mileage adventure bike** significantly.

However, the **high cost, complex installation, and potential for additional repairs** make it a **serious financial and logistical commitment**. It is **not a routine maintenance item** but rather a **necessary repair for failing engines**.

### **Recommendation**

- **If your bike exhibits symptoms of crankshaft wear** (e.g., **metallic grinding noise, blue smoke from the exhaust, oil leaks, or excessive vibration**), **proceed with the repair as soon as possible** to avoid catastrophic engine failure.

- **Get a professional diagnosis first** some symptoms (like rod knock) may require **rod or piston replacement in addition to the crankshaft**.

- **Choose a reputable supplier** prioritize **KTM-authorized parts or high-quality aftermarket kits** from trusted brands to avoid poor-quality replacements.

- **Budget for labor** expect to pay **$1,500 $3,000 ** for professional installation, depending on the shop.

- **Consider the bike s overall condition** if the rest of the engine (cylinder, pistons, camshaft) is worn, a **full rebuild may be more economical** than just replacing the crankshaft.

- **For low-mileage bikes**, **monitor the engine closely** and only replace the crankshaft if symptoms persist.

**Final Verdict:**

For a **high-mileage KTM/HS 890/790 ADV or Duke with confirmed crankshaft issues**, the repair kit is a **wise investment** to prevent engine destruction. For **lower-mileage bikes without symptoms**, it is **not a necessary upgrade** and may not be worth the cost. Always **consult a trusted mechanic** before making a decision.

Details:

Our extensive micro fiche data ensures you can always find the correct part for your ride. Our OEM parts are your key to maintaining that high standard. Elevate your riding experience with quality you can rely on. Original manufacturer equipment ensures the perfect fit for your machine, guaranteeing optimal performance and durability.

part #: 78930018088 price

  • $92.74

specifications bearingmotorcycleiz:

  • for makes: Ktm
  • mpn: 78930018088
  • part type: Crankshaft
  • manufacturer warranty: 1 Year

shipping bearingmotorcycleiz:

  • service: FedEx Ground / FedEx Home Delivery, Standard
  • carrier: FedEx
  • cost: $0.00
  • type: Fixed
  • class: Standard
  • transit: 9-15 Days

general bearingmotorcycleiz:

  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Engine Bearings
  • condition: New

seller bearingmotorcycleiz:

  • rating: 99.8%
  • city: Christiansburg, Virginia
  • # reviews: 51736

payments bearingmotorcycleiz:

  • credit card: Diners-club
  • wallet: Paypal
  • other

offer bearingmotorcycleiz:

  • quantity: 5
  • started: April 15, 2026
  • sold: 0
  • options: Ship-to-home
  • availability: In Stock

returns bearingmotorcycleiz:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days
for makes: ktm, part type: crankshaft, manufacturer warranty: 1 year,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > engine bearings, sku: 11926638069288603,
Ktm 78930018088 Is Similar To:
bearingmotorcycleiz logo
1 offer $92.74 USD
  • New. Offer #1 priced at $92.74 + $0.00 shipping estimate = $92.74* total. Our extensive micro fiche data ensures you can always find the correct part for your ride. Our OEM parts are your key to maintaining that high standard.FREE SHIPPING

Copyright © bearingmotorcycleiz.com