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Description
OEM-matched, high-quality bearing and seal kit; Feature Koyo precision Japanese crank bearings; Crankshaft seals feature a carbon/fluorocarbon pad on seal lip and stainless steel garter springs to reduce start-up friction, enhancing dry-start performance and reducing crankpin wear; Kits include all bearings and seals required to do a crank bearing at a fraction of OEM cost
Technical Specifications
- MFG. Part Number 24-1061
Vehicle Information
BETA EVO 250 Dirt Bike (2009-2024)
The Beta EVO 250, a renowned trials motorcycle, has been a staple in the segment from 2009 to 2024. This agile machine was offered with both 2-stroke (249.7 cc) and 4-stroke (249.6 cc) engine options, with the 4-stroke available in select years including 2009, 2010, 2012, 2013, 2015, and 2016. Designed for precise control and exceptional tractability rather than raw horsepower, the EVO 250 prioritizes low-end torque and manageable power delivery essential for trials riding. The EVO 250 platform was entirely new in 2009, introducing an innovative aluminum single-beam chassis that integrated the fuel tank, alongside a redesigned rear damping system. Throughout its production, the model has undergone continuous refinement. Notable updates include significant 2-stroke engine revisions in 2016 and 2017, enhancing crankshaft rigidity, power delivery, and overall performance. Further advancements in 2023 brought a lighter crankshaft, new cylinder, and optimized mapping. Beyond the standard model, Beta also offered specialized trims such as the high-performance EVO Factory (available in 2012, 2013, 2014, 2017, 2023) and the trail-oriented EVO Sport (2015, 2016, 2017), which featured a long-range fuel tank and knobby tires. The EVO SS (Super Smooth) trim, introduced in 2016, focused on even smoother power delivery for the 2-stroke model. FAQ:
Q: How do I ensure this part fits my Beta EVO 250?
A: To guarantee a perfect fit, please use the year and edition selector on this page.
Q: Are there significant differences between model years?
A: Yes, while the core platform remained, Beta introduced numerous updates and specialized trims over the years. Always refer to your specific model year.
Maintenance
| Component | Interval | Details |
| General Maintenance (inspection, cleaning) | Every 10-15 hours (recreational use) or 5-10 hours (aggressive/race use) | Includes oil changes, filter cleaning/replacement, and inspection of key components. |
| Gearbox Oil (2-Stroke Models) | First change after 5 hours. Subsequently, every 10-15 hours (recreational) or 5-10 hours (aggressive/race) | 2-stroke models use premix for the engine; this oil is for the gearbox. |
| Air Filter | Every 15 hours (recreational) or 5-10 hours (aggressive/race) | Clean and maintain regularly, especially after riding in dusty conditions. |
| Spark Plug | Inspect regularly. Replace every 30-60 hours (4-stroke models). | Check for cracks, corrosion, and correct electrode gap (e.g., 0.5 to 0.6 mm). |
| Coolant | Check levels regularly | The owner's manual provides details on checks and proper handling. |
| Drive Belt | Not applicable | The Beta EVO 250 uses a chain for its final drive, not a belt. |