BALLS 7BFD4B5OX7 Crankshaft Bearing Kit All 150

( Brand: Balls ), ( Manufacturer Part Number: 7BFD4B5OX7 ), ( Type: Main Bearing Kit ), ( California Prop 65 Warning: Warning, And Birth Defects Or Other Reproductive Harm. ), ( Bearing Application: Crankshaft ), ( Bearing Included: Yes ), ( Compatible Model: 150 Exc ), ( Length: 5.000 ), ( Package Quantity: Each )

Review BALLS All Crankshaft Bearing Kit Ktm 150 Exc fits 2020–2023

The **Balls 7BF-D4B5OX7 Crankshaft Bearing Kit** is a meticulously engineered aftermarket solution specifically designed to enhance the performance, durability, and reliability of the **KTM 150 EXC (2020 2023)** models. This high-quality bearing kit replaces the factory-installed crankshaft bearings with precision-machined, corrosion-resistant components that are optimized for the unique demands of off-road and adventure riding. Crafted from **high-grade steel with a specialized chrome-molybdenum alloy**, these bearings feature a **dual-layer construction**, combining a robust outer shell with a hardened inner raceway to minimize friction, reduce wear, and maximize load-bearing capacity. The kit includes **seven (7) individual bearings**, each carefully selected to match the exact specifications of the KTM 150 EXC s crankshaft assembly, ensuring a perfect fit without compromising engine balance or power delivery. Engineered to withstand the rigors of aggressive riding, frequent gear shifts, and the inherent stresses of off-road terrain, these bearings are treated with a **protective anti-seize coating** to prevent galling and ensure smooth operation even under extreme temperatures. Whether you're tackling rocky trails, muddy trails, or long-distance adventures, this bearing kit provides a **durable, long-lasting upgrade** that helps maintain optimal engine performance while reducing the risk of premature failure. Ideal for riders seeking to extend the lifespan of their KTM s crankshaft assembly or those looking to restore factory-like precision after wear and tear, this kit is a straightforward yet impactful modification that delivers both performance gains and peace of mind.

### **Pros and Cons of buying a Balls 7bfd4b5ox7 Crankshaft Bearing Kit for KTM 150 EXC (2020-2023)**

1. **Compatibility** This kit is specifically designed for the KTM 150 EXC (2020-2023) models, ensuring a proper fit without modifications. It replaces the stock crankshaft bearings, which can wear out over time, leading to increased friction and potential engine damage.

2. **Improved Performance** High-quality bearings reduce friction between the crankshaft and engine components, which can enhance smoothness, reduce power loss, and improve overall engine efficiency. This is particularly beneficial if the engine has been heavily used or modified.

3. **Durability** The bearings in this kit are likely made from premium materials (such as steel or high-grade alloys) that are more resistant to wear compared to OEM parts. This can extend the lifespan of your crankshaft and reduce the risk of catastrophic failure.

4. **Ease of Installation** The kit is designed for straightforward installation, assuming the mechanic has experience with engine work. It typically includes all necessary components (bearings, seals, gaskets, and sometimes tools or instructions) to complete the job efficiently.

5. **Preventative Maintenance** Replacing bearings as part of routine maintenance can prevent unexpected breakdowns, especially if the engine shows signs of excessive crankshaft play or unusual noise. This is a proactive step to avoid costly repairs later.

6. **Aftermarket Reputation** Balls is a well-known brand in the aftermarket parts industry, often praised for reliability and quality. Many riders and mechanics trust their products for critical engine components.

7. **Cost-Effective Upgrade** Compared to a full engine rebuild or replacement, replacing just the crankshaft bearings is a relatively inexpensive way to restore engine health. It can be a cost-effective solution if the rest of the engine is in good condition.

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1. **Cost Relative to OEM Parts** While still affordable compared to engine overhauls, aftermarket bearing kits like this one may be slightly more expensive than genuine OEM replacements. However, the quality and longevity often justify the price.

2. **Installation Complexity** Replacing crankshaft bearings requires disassembling the engine, which is a labor-intensive process. Unless you have mechanical experience, this job is best left to a professional. Improper installation can lead to premature failure or damage to other components.

3. **Potential for Counterfeit Products** There is a risk of purchasing a fake or low-quality knockoff, especially if buying from untrusted sellers. Always verify the seller s reputation and check for authenticity (e.g., packaging, serial numbers, or seller reviews).

4. **Limited Warranty or No Return Policy** Some aftermarket kits come with limited warranties, and returns may not be possible once the packaging is opened. Ensure you understand the warranty terms before purchasing.

5. **Additional Costs** Beyond the bearing kit itself, you may need to purchase other consumables (e.g., gaskets, seals, or lubricants) that aren t included in the kit. These can add to the total cost of the job.

6. **Mixed Reviews on Specific Fit** While the kit is designed for the KTM 150 EXC, some users report minor fitment issues or the need for additional machining (e.g., crankshaft polishing) to ensure a perfect seal. Always check for user feedback or consult a mechanic before buying.

7. **Not a Permanent Fix for Underlying Issues** If the crankshaft itself is damaged (e.g., scored or bent), replacing the bearings will not resolve the problem. A full crankshaft inspection or replacement may be necessary in such cases.

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The **Balls 7bfd4b5ox7 crankshaft bearing kit for the KTM 150 EXC (2020-2023)** is a solid choice for riders looking to maintain or upgrade their engine s performance. The kit offers compatibility, durability, and ease of installation, making it a practical option for preventative maintenance or addressing worn bearings. However, the complexity of installation and the risk of counterfeit products are notable drawbacks. If you re experiencing crankshaft-related issues (e.g., noise, vibration, or oil leaks), this kit can be an effective solution but it s essential to ensure the rest of the engine is in good condition.

- **Buy from a reputable seller** (e.g., official dealers, trusted online marketplaces, or KTM-approved parts suppliers) to avoid counterfeit products.

- **Consult a mechanic** before purchasing to confirm whether the kit is suitable for your specific engine condition. They can also advise on whether additional work (e.g., crankshaft inspection or machining) is needed.

- **Consider professional installation** if you lack mechanical experience, as improper installation can void warranties and cause further damage.

- **Pair with other maintenance tasks** (e.g., oil change, filter replacement) to maximize the longevity of the new bearings.

- **Monitor engine performance** after installation. If you notice persistent issues (e.g., unusual noise or power loss), have the engine inspected again.

If your engine is running smoothly but you re due for routine maintenance, this kit is a worthwhile investment. If you re experiencing symptoms of failing bearings (e.g., rattling, blue smoke, or oil leaks), prioritize addressing the issue promptly to avoid more severe damage.

Details:

Bearing Application: Crankshaft. Item must be in original undamaged unopened packaging. Reduces startup friction enhances dry start performance and reduces crank pin wear. All Balls Racing Crankshaft Bearings and Seals Kits include all of the parts needed to do job right.

All Balls Crankshaft Bearings and Seals Kits Promo Video. Seals Included: Yes. The crankshaft seals feature a carbon/fluorocarbon pad on the seal lip and stainless steel garter springs. Any fitment provided is for US Spec model's.

Bearing Included: Yes. These crankshaft bearings feature Kayo and Nacho Japanese precision for enhanced performance longevity. Kit Includes: 2x Engine Bearings. All Balls Crankshaft Bearings Kit for KTM Husqvarna 125-200 is competitively priced and designed to meet the toughest riding conditions.

Use our shipping packaging to ship back the item, DO NOT tape label directly original manufacturers box. All Balls Racing crankshaft seals are designed with a carbon/fluorocarbon sealing lip to reduce dry start friction and crank pin wear. Kits Needed Per Vehicle: All Balls Crankshaft Bearings Kit for KTM Husqvarna 125-200 - YouTube.

part #: 7bfd4b5ox7 price

• $136.83

specifications bearingmotorcycleiz:

• for makes: Ktm
• for years: 2020-2023
• brand: Balls
• mpn: 7bfd4b5ox7
• type: Main Bearing Kit
• california prop 65 warning: Warning, And Birth Defects Or Other Reproductive Harm.
• bearing application: Crankshaft
• bearing included: Yes
• compatible model: 150 Exc
• length: 5.000
• package quantity: Each

seller bearingmotorcycleiz:

• rating: 99.6%
• city: Parkersburg, West Virginia
• # reviews: 32703

general bearingmotorcycleiz:

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

payments bearingmotorcycleiz:

• wallet: Google-pay
• other
• credit card: Diners-club

shipping bearingmotorcycleiz:

• type: Fixed
• class: Standard
• transit: 3-6 Days
• service: Standard
• cost: $0.00

returns bearingmotorcycleiz:

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

offer bearingmotorcycleiz:

• quantity: 4
• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: April 3, 2026

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