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Description
FEATURES
- 52100 bearing steel is used in these rebuild kits for motocross, off-road, and dual-purpose bikes
- Kits include all the bearings, seals, shafts and spacers required for a complete rebuild
- Thrust bearings are replaced with Teflon® bearings, which perform better in dirt and water
- Expansive application chart covers bikes from the 70's to present
- Imported
Technical Specifications
- MFG. Part Number 28-1139
Vehicle Information
BETA Rev3 270 Dirt Bike (2000-2008)
The BETA Rev3 270 is a prominent trials motorcycle, produced between 2000 and 2008. It consistently featured a single-cylinder, two-stroke, liquid-cooled engine, with a stable displacement of approximately 270cc (or 274.5cc). This model was renowned for its torque and rideability, essential qualities for trials riding, rather than for its peak horsepower. The BETA Rev3 270 underwent continuous refinements and updates rather than distinct mid-cycle generations. Significant updates occurred, notably in 2004 (revamped livery, internal cylinder distribution, primary transmission, ignition mapping, suspension), in 2005 (handling precision, weight reduction, cylinder timing, ignition curve, brakes), in 2006 (new cylinder, ergonomics, shock absorber, steering head angle), and in 2008 (engine thermodynamics with Keihin PWK carburetor, cylinder head, crankcases, silencer, crankshaft bearings, hydraulic clutch, Euro3 homologation, suspension settings). The primary model was the Rev3 270, with a "Competition" version offered in certain years (e.g., 2004, 2007) featuring enhanced components. Q: How do I know if this product fits my BETA Rev3 270?
A: Please use the year and edition selector on this page to confirm compatibility with your specific model.
Maintenance
| Component | Interval | Details |
| Gearbox Oil | Initial: 5 hours. Thereafter: consult owner's manual. | The owner's manual refers to a detailed chart for subsequent changes. |
| Spark Plug | Check: 13,000 km. Replace: 13,000 to 16,000 km or annually. | Use NGK BR7ES. Gap: 0.6 to 0.7 mm. |
| Air Filter | Clean and oil after each off-road use. | For aggressive riding: every 5-10 hours. For recreational riding: every 10-15 hours. Replacement: 4,000 to 6,000 km or more frequently in dusty conditions. |
| Oil Filter | With every oil change. | Not explicitly specified in snippets, but recommended with every engine oil change. |
| Belt | Not applicable. | This model uses a chain drive, not a belt. |
| Coolant | Every 2 to 5 years. | The owner's manual lists cooling liquid in the maintenance index. |