Description
Product Overview
The BIGLKNM cam bearing is engineered for riders who demand reliability and precision from their Sportrax engines. Crafted from high‑quality precision bearing steel, the bearing features uniform hardness, excellent wear resistance, and the ability to withstand elevated temperatures without deformation. Both the inner and outer rings are polished to a smooth, rust‑free finish, ensuring consistent lubrication and reduced friction. Dimensions are compact at 4.57 x 2.76 x 2.13 inches and the unit weighs only 3.84 ounces, making it a lightweight yet robust component. It carries the OEM part numbers 91003‑KF0‑008 and 91002‑MN1‑671, guaranteeing a perfect match for the original equipment.
Usage
Designed for a broad fitment range, this bearing is compatible with 1999‑2008 Sportrax 400 TRX400EX 2×4, 2009‑2014 TRX400X 2×4, 1996‑2004 XR400R, 1985‑2000 XL600R, and 1993‑2023 XL650L models. Whether you are restoring a classic bike, performing routine maintenance, or upgrading for higher performance, the bearing delivers smooth camshaft operation under various riding conditions—from city commuting to off‑road adventures. Its high‑temperature resistance makes it suitable for prolonged high‑rpm use, while the wear‑resistant steel ensures longevity even in dusty or humid environments.

Why Choose Us
BIGLKNM stands for precision engineering and rigorous quality control. Each bearing undergoes strict testing for hardness, dimensional accuracy, and surface finish, ensuring it meets or exceeds OEM specifications. Our commitment to durability means fewer replacements and lower maintenance costs for you. Additionally, we provide responsive after‑sales service—any questions are welcomed via email, and we strive to resolve issues promptly, reinforcing confidence in every purchase.
Key Features
- High‑strength precision steel offers uniform hardness and superior wear resistance.
- Polished inner and outer rings provide a smooth, rust‑free surface for optimal lubrication.
- Broad fitment covers major Sportrax models from 1985 to 2023, ensuring versatility.
- Compact size and lightweight design reduce overall engine weight without compromising strength.
- OEM part numbers guarantee exact replacement, simplifying installation and maintenance.
FAQ
Is this bearing a direct replacement for the original OEM part?
Yes, it matches OEM part numbers 91003‑KF0‑008 and 91002‑MN1‑671, providing a seamless fit for the specified Sportrax models.
Can I install the bearing myself, or do I need a professional?
The bearing is designed for straightforward installation with standard tools. However, if you are unfamiliar with engine disassembly, consulting a qualified mechanic is recommended.
What maintenance is required after installation?
Regular oil changes and periodic inspection of the camshaft area will help maintain optimal performance and extend the bearing’s lifespan.
Does the bearing work in high‑temperature environments?
Yes, the high‑strength steel construction resists heat deformation, making it suitable for prolonged high‑rpm operation.
What warranty or after‑sales support is offered?
We provide responsive email support for any questions or concerns, ensuring you receive assistance throughout the product’s life cycle.






Reviews
There are no reviews yet.