Wiseco Top End Bearing Yamaha YZ125 1997-2000 B1038
Part Number: B1038WISECO
- SKU:
- B1038
- MPN:
- B1038
- Condition:
- New
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
Description
The Wiseco B1038 top end bearing is engineered to handle the demanding conditions of high-RPM two-stroke racing. Factory OEM bearings wear quickly under sustained performance use, leading to increased friction, heat buildup, and potential engine failure. This case-hardened bearing restores proper tolerances and ensures reliable power delivery, whether you're racing competitively or pushing your YZ125 to its limits.
Built from high-silicon aluminum alloy, the B1038 delivers the strength-to-weight ratio critical for top-end reliability without adding unnecessary mass to your engine. The case-hardened construction extends service life significantly compared to stock components, making this a cost-effective upgrade for serious riders who demand consistency.
- Fits: Yamaha YZ125 1997–2000
- MPN: B1038
- Material: High-silicon aluminum alloy
- Surface treatment: Case-hardened
- Designed for high-RPM stability
- Bolt-on replacement
- Lightweight construction
- OEM-equivalent quality
Specs
INSIDE DIAMETER METRIC: |
15 MM |
MATERIAL: |
ALUMINUM |
TYPE: |
TOP END |
UNITS: |
EACH |
OUTSIDE DIAMETER METRIC: |
20 MM |
PRODUCT NAME: |
BEARING |
MATERIAL: |
SILICONE |
RIDING STYLE: |
OFF-ROAD |
APPLICATION: |
PISTON |
LENGTH METRIC: |
17.8 MM |
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