fits model: 400f, 250f, Yz, 250, 125. make: Yamaha. year: 1999–2001.

( Manufacturer Part Number: 5ET-25388-00-00 ), ( Part Type: Adjuster Chain Axle Block )
The 5ET-25388-00-00 and 5ET-25389-00-00 chain adjuster axle blocks are essential components for maintaining the optimal performance of Yamaha YZ 250, YZ 125, YZF-R426, and YZF-R400F motorcycles from the 1999 to 2001 model years. These axle blocks are specifically designed to provide a secure and reliable connection between the chain adjuster and the swingarm, ensuring smooth operation and preventing damage to the chain and sprocket.
The 5ET-25388-00-00 chain adjuster axle block is a high-quality part made from durable materials that can withstand the rigors of off-road and track riding. It features a precise fit and finish, ensuring a snug and secure connection to the swingarm and chain adjuster. The axle block is designed to allow for easy adjustment of the chain tension, making it easy to keep the bike running smoothly and efficiently.
The 5ET-25389-00-00 chain adjuster axle block is similar in design and function, but is specifically designed for use with the rear brake caliper on some models. It features a brake caliper mounting point, allowing for easy installation and ensuring that the brake caliper remains in the correct position.
Both the 5ET-25388-00-00 and 5ET-25389-00-00 chain adjuster axle blocks are easy to install, requiring only basic tools and a few minutes of time. They are a cost-effective way to keep your Yamaha motorcycle running smoothly and reliably, and are a must-have for any serious rider.
In summary, the 5ET-25388-00-00 and 5ET-25389-00-00 chain adjuster axle blocks are essential components for maintaining the performance of Yamaha YZ 250, YZ 125, YZF-R426, and YZF-R400F motorcycles from 1999 to 2001. They are made from durable materials, feature a precise fit and finish, and are easy to install. They are a cost-effective way to keep your bike running smoothly and reliably, and are a must-have for any serious rider.
Pros of buying Yamaha YZ 250/125/426/400F 250F Chain Adjuster Axle Blocks (5ET-25388-00-00 and 5ET-25389-00-00):1. Compatibility: These axle blocks are specifically designed for Yamaha YZ 250, 125, 426, 400F, and 250F models from 1999 to 2001, ensuring a perfect fit and function.
2. Durability: Made of high-quality materials, these axle blocks are built to last, offering reliable performance and longevity.
3. Improved chain adjustment: The chain adjuster axle blocks allow for easier and more precise chain adjustments, reducing the risk of chain derailments and improving overall bike performance.
4. Easy installation: Axle blocks are straightforward to install, saving you time and effort compared to other chain adjustment methods.
Cons of buying Yamaha YZ 250/125/426/400F 250F Chain Adjuster Axle Blocks (5ET-25388-00-00 and 5ET-25389-00-00):1. Cost: Chain adjuster axle blocks may be more expensive than alternative chain adjustment solutions, such as chain tensioners.
2. Limited customization: As these are specific to Yamaha YZ models, they may not be compatible with other brands or models, limiting your options.
3. Limited aesthetic appeal: The axle blocks may not contribute to the bike's visual appeal as they are not typically visible components.
Conclusion:Considering the pros and cons, the Yamaha YZ 250/125/426/400F 250F Chain Adjuster Axle Blocks (5ET-25388-00-00 and 5ET-25389-00-00) are an excellent investment for those looking to improve the performance and reliability of their Yamaha dirt bikes. While they might not be the most affordable or visually appealing option, the ease of installation, improved chain adjustment, and compatibility with specific models make them a worthwhile consideration for Yamaha owners. Ultimately, the decision to purchase depends on your budget, needs, and preferences.
On very rare occasions, items may be damaged or lost while in storage.
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Exculpates Yamaha Yz 400F 250F chain adjuster axle blocks 5et 01 item: adjusters: used, in good working condition with some wear as would be expected.
While many of these items are in very usable condition, we unable to conduct extensive testing on every one wear parts.