ATHENA P400510444049 Crankshaft Bearing Seal Kit

( Brand: Athena ), ( Manufacturer Part Number: P400510444049 ), ( Part Type: Bearing Seal Crankshaft )

Review ATHENA Crankshaft Bearing Seal Kit Suzuki fits RM250 2005–2008

The **Athena P400510444049 Crankshaft Bearing Seal Kit** is a meticulously engineered aftermarket solution designed specifically for Suzuki RM250 models produced between 2005 and 2008, ensuring a reliable and long-lasting seal for the crankshaft area a critical component in maintaining engine integrity and performance. This high-quality kit features a precision-molded **nitrile rubber seal** with a reinforced steel spring, engineered to withstand the demanding conditions of high-speed riding, aggressive acceleration, and the thermal fluctuations inherent in off-road applications. The seal s robust construction prevents oil leaks, which are common in older or high-mileage engines, thereby reducing the risk of costly internal damage and maintaining optimal lubrication within the crankcase. Crafted from durable, oil-resistant materials, the Athena seal is resistant to degradation from fuel, oil, and extreme temperatures, making it an ideal choice for both casual riders and competitive enduro or motocross enthusiasts who demand peak reliability. Installation is straightforward, thanks to the kit s compatibility with the RM250 s stock crankshaft housing dimensions, and the included **O-ring and gasket** ensure a tight, leak-proof fit upon assembly. Whether you're performing routine maintenance or addressing a persistent oil leak, this seal kit provides a cost-effective upgrade that extends engine life and preserves the performance characteristics of your Suzuki RM250, ensuring smooth operation and peace of mind on and off the trail.

### **Pros and Cons of buying a Athena P400510444049 Crankshaft Bearing Seal Kit for Suzuki RM250 (2005 2008)**

1. **Direct Fitment** The kit is specifically designed for the 2005 2008 Suzuki RM250, ensuring compatibility without modifications. This reduces the risk of sizing issues or improper installation.

2. **High-Quality Materials** Athena is a reputable manufacturer known for producing durable seals and gaskets. The materials used in this kit are likely to provide a tight, long-lasting seal, reducing oil leaks and contamination.

3. **Complete Kit** The kit typically includes all necessary seals (crankshaft, camshaft, and possibly other related seals) in one package, simplifying the replacement process and ensuring you don t have to source parts separately.

4. **Cost-Effective** Compared to OEM or aftermarket alternatives, this kit is often priced affordably while still maintaining reliability. It can be a budget-friendly solution for a common wear-and-tear issue.

5. **Easy Installation** The seals are designed to fit standard tools and procedures, making them accessible for both experienced mechanics and DIY enthusiasts. Clear instructions (if provided) further assist in a smooth replacement.

6. **Prevents Long-Term Damage** Failing crankshaft seals can lead to oil leaks, reduced engine efficiency, and even catastrophic failure if left unaddressed. Replacing them proactively can extend the life of your engine.

7. **Widely Available** As a popular aftermarket part, this kit is easy to find online (e.g., Amazon, RockAuto, eBay) or at local motorcycle parts stores, reducing lead times.

---

1. **Potential Quality Variations** While Athena is generally reliable, there have been occasional reports of inconsistent quality in some batches. Some users may receive seals that are slightly softer or harder than expected, which could affect longevity or sealing performance.

2. **Not OEM-Level Durability** Unlike genuine Suzuki seals, this is an aftermarket part. While it should perform adequately, it may not match the exact specifications or lifespan of OEM components in extreme conditions (e.g., heavy off-roading or high-performance modifications).

3. **Installation Challenges** If the seals are slightly oversized or if the crankshaft/camshaft journals are worn, installation can be difficult. Improper seating can lead to leaks or premature failure. A thorough cleaning and inspection of the mating surfaces are critical.

4. **Limited Warranty** Athena s warranty (if any) may not cover installation errors or damage caused by improper handling. Unlike some high-end brands, there s often no extended warranty or customer support for aftermarket parts.

5. **Compatibility with Modified Engines** If your RM250 has been modified (e.g., crankshaft grinding, camshaft upgrades, or forced induction), the stock seal dimensions may not align perfectly. Custom seals might be needed in such cases.

6. **Mixed User Reviews** Some reviews mention that while the kit works fine for basic use, others report leaks or premature wear, particularly in high-mileage or heavily used engines. This inconsistency suggests that the quality can vary.

7. **No Additional Lubrication Included** Unlike some premium kits, this one may not include sealant or lubrication for installation. You ll need to source a compatible sealant (e.g., Permatex or Motul) separately, adding to the cost.

---

The **Athena P400510444049 crankshaft bearing seal kit** is a **practical and cost-effective choice** for replacing worn seals on a 2005 2008 Suzuki RM250. It offers **direct fitment, ease of installation, and decent durability** for standard riding conditions. However, it is **not OEM-level** and may require careful installation to avoid leaks. For **high-mileage, modified, or performance-oriented bikes**, additional precautions (e.g., using a high-quality sealant, checking for journal wear) are advisable.

If your primary concern is **preventing leaks and maintaining engine integrity**, this kit is a **solid, budget-friendly option**. For **long-term reliability or extreme use**, consider **higher-end aftermarket brands** (e.g., Fel-Pro, Sealed Power) or **OEM replacements** if available.

---

- You need a **quick, affordable solution** for standard riding.

- Your engine is **not heavily modified** and the seals are the only known issue.

- You re comfortable with **DIY installation** and have access to proper tools (e.g., seal puller, torque wrench).

- Your bike has **high mileage or signs of crankshaft/camshaft wear** (ultrasonic cleaning or journal inspection may be needed).

- You re modifying the engine (e.g., forced induction, aggressive tuning), as custom seals may be required.

- You prefer **longer warranties or premium materials**, in which case brands like **Fel-Pro or Sealed Power** might be worth the extra cost.

- Always **clean the crankshaft and camshaft journals thoroughly** before installation to remove old sealant and debris.

- Use a **high-quality sealant** (e.g., Permatex Ultra Black or Motul Ceramic Sealant) to ensure a proper bond.

- If leaks persist after installation, check for **improper seating or damaged seals** sometimes a second attempt is needed.

- For **first-time installers**, consider watching a **detailed YouTube guide** (e.g., from **Motorcycle Mechanics or RM250-specific channels**) to avoid common mistakes.

Details:

OEM-level fitment and easy installation: Each kit is engineered to match the original engine configuration, making installation straightforward efficient. Built to handle thermal and mechanical stress. Bearings and oil seals in one complete kit: Each kit includes the main crankshaft bearings necessary engine. Bearings from SKF, NTN, or KOYO included.

Fitment: Suzuki RM250 2005 -2008. Built to withstand extreme operating conditions: All components are selected perform under high thermal and mechanical stress, including elevated temperatures, heavy loads, exposure contaminants.: Athena Crankshaft Bearing Seal Kit For Suzuki RM250 2005 2008 9: 9. Athena kits are the trusted choice for those seeking superior components crankshaft rebuilding.

Bearings and seals for full crankshaft overhaul. To ensure you're receiving exactly what you want, some orders are sourced from various shipping facilities. Note: Image is for reference only, actual product may vary slightly. Strict quality control for every component: All parts undergo rigorous checks to ensure dimensional accuracy, mechanical efficiency, and long-term reliability.

Brand: Athena, Part Number: 9. The bearings are sourced from top-tier manufacturers such as SKF, NTN, and KOYO, ensuring premium quality, precision, resistance to wear. Free Ground Shipping.

part #: p400510444049 prices

• $126.27-$188.39

specifications bearingmotorcycleiz:

• for models: Rm250
• for makes: Suzuki
• for years: 2005-2008
• brand: Athena
• mpn: P400510444049
• part type: Bearing Seal Crankshaft

shipping bearingmotorcycleiz:

• service: FedEx Ground / FedEx Home Delivery
• type: Fixed
• class: Standard
• carrier: FedEx
• transit: 4-7 Days
• cost: $0.00

offer bearingmotorcycleiz:

• quantity: 1
• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: May 2, 2026

general bearingmotorcycleiz:

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

payments bearingmotorcycleiz:

• wallet: Apple-pay
• credit card: Mastercard
• other

seller bearingmotorcycleiz:

• city: Wilmington,
• rating: 99.8%
• # reviews: 249805

returns bearingmotorcycleiz:

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

Athena P400510444049 Is Similar To:

• 810251 Athena Honda Kit Top Gasket (31.2% similar) Some full face helmets are shown with tinted outer shield for display purposes only. Product images are for reference only. Replace WP WP. Actual product may vary. Feel free to with any questions. A steel core materials feature high springbok and superior tensile strength revolutionary transparent ...(March 10th, 2015)
• P400250850982 Athena Gasket Set For Kawasaki Zg 1200 A B 1986-2003 (42.6% similar) Brand new gasket set. Will fit Kawasaki G 1200 a...(January 7th, 2016)
• Kit Athena Yamaha Complete E4859-116 Reduced Gasket (25.4% similar) Feel free to with any questions. A head gaskets feature rubber coated spring steel construction soft steel base gaskets are rubber coated steel core materials feature high springbok and superior tensile strength revolutionary transparent coating guarantees a perfect seal even at extremely high ...(December 28th, 2014)
• Bore Athena P400210160001 Cylinder Gasket Big Kit Honda (44.6% similar) Actual product may vary. Product images are for reference only. Feel free to with any questions. Athena gasket kit for big bore cylinder kit 01 Honda brand model top end gasket kit big bore manufacturer P/N 01 color size designed to assure the best sealing and lasting over the years. Some full face ...(February 19th, 2015)
• P400210600063 Athena Kit Top Gasket (25.5% similar) Some full face helmets are shown with tinted outer shield for display purposes only. Feel free to with any questions. Actual product may vary. Product images are for reference only...(February 18th, 2015)
• P400210600132 Athena Honda Kit Top Gasket (29.3% similar) Product images are for reference only. Actual product may vary. Feel free to with any questions. A head gaskets feature rubber coated spring steel construction soft steel base gaskets are rubber coated steel core materials feature high springbok and superior tensile strength revolutionary ...(February 25th, 2015)
• Athena P400210600183 Gasket Honda Kit Top (46.6% similar) Product images are for reference only. A head gaskets feature rubber coated spring steel construction soft steel base gaskets are rubber coated steel core materials feature high springbok and superior tensile strength revolutionary transparent coating guarantees a perfect seal even at extremely high...(February 12th, 2015)
• Top Gasket Athena Kit P400210600184 Honda (29.3% similar) Some full face helmets are shown with tinted outer shield for display purposes only. Actual product may vary. Feel free to with any questions. Product images are for reference only. A head gaskets feature rubber coated spring steel construction soft steel base gaskets are rubber coated steel core ...(December 27th, 2014)
• P400210600202 Kit Gasket Top Athena Honda (13.8% similar) Actual product may vary. Feel free to with any questions. Product images are for reference only. Brand Athena superior quality gasket sets from Athena some full face helmets are shown with tinted outer shield for display purposes only. A head gaskets feature rubber coated spring steel construction ...(February 19th, 2015)
• P400210600221 Gasket Top Athena Kit Honda (20.7% similar) A steel core materials feature high springbok and superior tensile strength revolutionary transparent coating guarantees a perfect seal even at extremely high temperatures high temperature blue silicone beading on most critical flat gaskets top end gasket kits include all necessary gaskets to ...(February 10th, 2015)
• Gasket P400210600703 Athena Top Kit (20% similar) Some full face helmets are shown with tinted outer shield for display purposes only. A steel core materials feature high springbok and superior tensile strength revolutionary transparent coating guarantees a perfect seal even at extremely high temperatures high temperature blue silicone beading on ...(March 12th, 2015)