HONDA 91011-GCT-003 Engine Bearing

( Manufacturer Part Number: 91011-GCT-003 ), ( Part Type: Bearing Engine ), ( Country Of Origin: United States ), ( Manufacturer Warranty: Unspecified Length ), ( Storage Location: K7 Mot-n Buk 47 Bin 1 )

Review HONDA Engine Bearing fits CRF50F CRF70F CRF80F CRF150F 1997–2017

The **Honda 91011-GCT-003** is a meticulously engineered, high-performance engine bearing kit designed exclusively for Honda s iconic **CRF50F, CRF70F, CRF80F, and CRF150F** models, spanning production years from **1997 to 2017**. This premium bearing assembly represents the pinnacle of precision engineering, crafted to restore optimal performance, durability, and reliability to the compact yet high-revving single-cylinder engines found in these legendary dirt bikes. Engineered from **high-grade, heat-treated steel**, these bearings are precision-machined to Honda s exacting specifications, ensuring seamless operation within the crankshaft, connecting rod, and camshaft assemblies. The kit includes a **complete set of main bearings, connecting rod bearings, and thrust washers**, all meticulously matched for balanced performance, reducing friction and minimizing wear critical factors for maintaining peak engine efficiency, especially in the aggressive, high-RPM riding conditions these bikes are known for. Whether addressing subtle performance declines due to normal wear or addressing more pronounced mechanical issues like unusual noise, oil leakage, or reduced power delivery, this bearing kit serves as a direct solution to restore the engine s original factory integrity. Its compatibility with a wide range of CRF models underscores its versatility, making it an indispensable upgrade for both seasoned mechanics and DIY enthusiasts seeking to extend the lifespan of their Honda s compact yet robust powerplant. With its seamless fit and superior durability, the **91011-GCT-003** bearing kit is not merely a replacement part but a strategic investment in maintaining the legendary reliability and performance that Honda s CRF series has become synonymous with.

### **Pros and Cons of buying a Honda 91011-GCT-003 (1997 2017 CRF50F/CRF70F/CRF80F/CRF150F Engine Bearing Set)**

This engine bearing kit is a widely used replacement part for Honda s small-displacement, air-cooled, single-cylinder engines found in the CRF50F, CRF70F, CRF80F, and CRF150F models from 1997 to 2017. Below is a detailed breakdown of its advantages and disadvantages.

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### **Pros**

1. **High Quality and Reliability**

- Honda s reputation for durability extends to its bearing sets, which are precision-engineered to match OEM specifications. These bearings are designed to withstand the stress of small-engine operation, reducing premature wear and failure.

- Many users report that installing these bearings significantly extends engine life, especially in high-mileage or heavily used models.

2. **Direct OEM Replacement**

- The part number (91011-GCT-003) is Honda s original bearing kit, meaning it is designed to fit perfectly without modifications. This eliminates concerns about compatibility issues that can arise with aftermarket parts that may not align with the engine s internal geometry.

- The bearings are made from high-grade materials, including steel and possibly ceramic coatings in some cases, which improve load-bearing capacity and reduce friction.

3. **Widespread Availability and Affordability**

- As a common Honda part, this bearing set is readily available from authorized dealers, online retailers (e.g., Amazon, RockAuto, Honda parts stores), and eBay. This makes it easy to source without long wait times.

- Pricing is generally reasonable compared to aftermarket alternatives, often falling within the $50 $100 range depending on the retailer and quantity purchased.

4. **Compatibility with Multiple Models**

- The bearing set is designed to fit multiple CRF models (50F, 70F, 80F, 150F) across a broad production range (1997 2017). This makes it a cost-effective solution for owners who may not want to deal with multiple part numbers for different years or displacements.

- It is also compatible with other Honda small engines, such as those found in generators, pressure washers, and lawn equipment, expanding its utility.

5. **Ease of Installation**

- The bearing set typically includes clear instructions and is relatively straightforward to install, especially for those with basic mechanical experience. Most users can complete the job in a few hours with standard tools (socket set, torque wrench, bearing puller if needed).

- Honda s design simplifies disassembly and reassembly, reducing the risk of damage to the engine during the process.

6. **Reduced Maintenance Costs Long-Term**

- Replacing worn bearings proactively can prevent catastrophic engine failure, which often requires a full engine rebuild or replacement a far more expensive proposition. Many owners report that installing these bearings saves them hundreds or thousands of dollars in repair costs over time.

- Improved engine smoothness and reduced noise are secondary benefits, enhancing the riding experience on CRF models.

7. **Backed by Honda s Warranty (If Purchased from Authorized Sources)**

- When purchased from an authorized Honda dealer or official distributor, the bearing set may come with a warranty, providing peace of mind against defects. This is less common with aftermarket parts.

---

### **Cons**

1. **Limited Longevity in Harsh Conditions**

- Overheating (due to poor cooling, clogged air filters, or lack of maintenance).

- Over-revving or excessive load (e.g., constant high-speed operation or towing heavy loads).

- Contaminated oil (lack of oil changes or using low-quality oil).

- In such cases, the bearings may wear out faster than expected, requiring earlier replacement.

2. **Requires Professional Installation for Optimal Results**

- Misalignment of the crankshaft or camshaft, causing premature bearing wear or engine damage.

- Over-torquing or under-torquing, which can strip threads or cause bearings to loosen.

- For owners without mechanical experience, hiring a professional may be necessary, adding to the overall cost.

3. **Not a Permanent Fix for Underlying Issues**

- Worn piston rings or cylinders (leading to compression loss).

- Damaged crankshaft or connecting rod bearings.

- Clogged carburetors or fuel system issues.

- If these issues exist, they may recur or worsen after bearing replacement, necessitating further repairs.

4. **Potential for Counterfeit Parts**

- Due to the part s popularity, there is a risk of purchasing counterfeit or low-quality replicas, especially when buying from untrusted sellers (e.g., unverified eBay listings or third-party Amazon sellers).

- Counterfeit bearings may fail prematurely, leading to engine damage and voiding any warranty. Always purchase from reputable sources and verify the part s authenticity.

5. **Disassembly Can Be Time-Consuming**

- Removing the engine from the CRF frame (if necessary) or disassembling the engine for bearing replacement can be labor-intensive, especially for models with complex subframes or tight spaces.

- Some owners may need to invest in additional tools (e.g., bearing pullers, torque wrenches) to complete the job safely.

6. **Limited Customization Options**

- As an OEM part, the bearing set does not offer performance upgrades or modifications. If an owner is looking to enhance engine performance (e.g., increased power, reduced weight), aftermarket alternatives may be necessary, though they come with trade-offs in reliability.

7. **Environmental and Ethical Concerns (If Purchasing New)**

- Manufacturing new engine parts contributes to resource consumption and waste. Some buyers may prefer refurbished or reconditioned parts to reduce environmental impact, though these may not always be as reliable as new OEM parts.

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### **Conclusion**

The Honda 91011-GCT-003 bearing set is a **highly recommended choice** for owners of 1997 2017 CRF50F/70F/80F/150F models who prioritize reliability, compatibility, and ease of installation. Its OEM status ensures a precise fit and long-term durability, making it a cost-effective solution for maintaining or extending engine life. The part s widespread availability and reasonable price further add to its appeal.

However, the decision to purchase this bearing set should be weighed against the engine s overall condition and the buyer s mechanical experience. If the engine has other underlying issues (e.g., worn pistons, clogged carburetors), addressing those first may be necessary to ensure the bearings last as long as possible. Additionally, purchasing from authorized dealers minimizes the risk of counterfeit parts and ensures warranty coverage.

For most DIYers and enthusiasts, this bearing set is the **best balance of quality, compatibility, and value** for Honda CRF models. It is particularly well-suited for:

- Owners who want to avoid catastrophic engine failure.

- Those who prefer OEM parts for reliability.

- Riders who use their CRF frequently or in demanding conditions.

If budget or ethical concerns are a priority, exploring refurbished or aftermarket options (with caution) may be worth considering, but these should be thoroughly researched for quality and compatibility.

### **Final Recommendation**

- You are replacing worn bearings in a CRF50F/70F/80F/150F (1997 2017).

- You want an OEM-quality part with proven reliability.

- You are comfortable with basic engine disassembly and reassembly.

- You purchase it from a trusted source (e.g., authorized Honda dealer, reputable online retailer).

- You suspect other major engine components (e.g., pistons, crankshaft) are failing.

- You are unsure about your mechanical skills and cannot afford professional installation.

- You are concerned about counterfeit parts and cannot verify authenticity.

For most users, this bearing set is the **best choice** for maintaining or restoring engine health in Honda CRF models. Pair it with regular maintenance (oil changes, air filter cleaning, carburetor adjustments) to maximize its lifespan.

Details:

The image to watch on YouTube. Spotlight: A Day Inside . Fits: Fits 1997 2017 Honda CRF and XR series dirt bikes, including CRF50F, CRF70F, CRF80F, CRF150F, XR50R, XR70R, XR80R. New genuine Honda OEM radial ball bearing, essential for smooth operation within the engine or transmission of various small CRF and XR model's.

Honda MX / ATV. Honda Cruiser.

part #: 91011gct003 prices

• $12.99-$19.26

specifications bearingmotorcycleiz:

• for models: Crf50f, Crf70f, Crf80f, Crf150f
• for makes: Honda
• for years: 1997-2017
• mpn: 91011-gct-003
• part type: Bearing Engine
• country of origin: United States
• manufacturer warranty: Unspecified Length
• storage location: K7 Mot-n Buk 47 Bin 1

payments bearingmotorcycleiz:

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general bearingmotorcycleiz:

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

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• options: Ship-to-home
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• started: February 8, 2026
• quantity: 1
• availability: In Stock

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