Description
The Twin Power 52-90 K XL Mainshaft Bearing is a precision-engineered component designed to serve as a direct replacement for the original equipment mainshaft bearing on Harley Davidson 4-speed motorcycle setups. Crafted to meet or exceed OEM specifications, this bearing ensures smooth operation and reliable performance across various XL models. Its durable construction is ideal for riders seeking long-lasting parts that maintain the integrity of their motorcycle’s drivetrain.
Featuring a size of approximately 0.35 inches by 2.83 inches by 0.67 inches, this bearing replaces Harley Davidson part number 9025A and is compatible with models from 1988 to 1990, including XLH1200, XLH883, and XLH883DLX Sportster variants. The component is designed for easy installation, making it suitable for both professional mechanics and experienced motorcycle enthusiasts.
Manufactured by Twin Power, this bearing is built to withstand the rigors of daily riding and high-performance conditions. Its high-quality materials and precise manufacturing process ensure consistent performance and longevity, reducing downtime and maintenance costs. Whether you’re restoring a vintage Harley or upgrading your current setup, this mainshaft bearing provides a dependable and efficient solution. It is not only an essential part of drivetrain maintenance but also a valuable upgrade to enhance overall motorcycle performance.
Features:
- Precision-made mainshaft bearing for Harley Davidson 4-speed models
- Replaces OEM Harley Davidson part number 9025A
- Dimensions approximately 0.35 inches x 2.83 inches x 0.67 inches
- Compatible with Harley Davidson XLH1200, XLH883, and XLH883DLX models from 1988 to 1990
- Durable construction for reliable performance and longevity
- Easy to install for both professionals and experienced enthusiasts
- Manufactured by Twin Power to meet or exceed OEM standards
Fitment:
Harley Davidson K Base 1952
Harley Davidson K Base 1953
Harley Davidson K Base 1954
Harley Davidson KH Base 1955
Harley Davidson KH Base 1956
Harley Davidson KHK Base 1955
Harley Davidson KHK Base 1956
Harley Davidson KHRTT Base 1955
Harley Davidson KHRTT Base 1956
Harley Davidson KHRTT Base 1957
Harley Davidson KR Base 1955
Harley Davidson KR Base 1956
Harley Davidson KR Base 1957
Harley Davidson KR Base 1958
Harley Davidson KR Base 1959
Harley Davidson KR Base 1960
Harley Davidson KR Base 1961
Harley Davidson KR Base 1962
Harley Davidson KR Base 1963
Harley Davidson KR Base 1964
Harley Davidson XLCH Base 1958
Harley Davidson XLCH Base 1959
Harley Davidson XLCH Base 1960
Harley Davidson XLCH Base 1961
Harley Davidson XLCH Base 1962
Harley Davidson XLCH Base 1963
Harley Davidson XLCH Base 1964
Harley Davidson XLCH Base 1965
Harley Davidson XLCH Base 1966
Harley Davidson XLCH Base 1967
Harley Davidson XLCH Base 1968
Harley Davidson XLCH Base 1969
Harley Davidson XLCH Base 1970
Harley Davidson XLCH Base 1971
Harley Davidson XLCH Base 1972
Harley Davidson XLCH Base 1973
Harley Davidson XLCH Base 1974
Harley Davidson XLCH Base 1975
Harley Davidson XLCH Base 1976
Harley Davidson XLCH Base 1977
Harley Davidson XLCH Base 1978
Harley Davidson XLCH Base 1979
Harley Davidson XLCR Cafe Racer Base 1977
Harley Davidson XLCR Cafe Racer Base 1978
Harley Davidson XLH1100 Base 1986
Harley Davidson XLH1100 Base 1987
Harley Davidson XLH1200 Base 1988
Harley Davidson XLH1200 Base 1989
Harley Davidson XLH1200 Base 1990
Harley Davidson XLH883 Base 1986
Harley Davidson XLH883 Base 1987
Harley Davidson XLH883 Base 1988
Harley Davidson XLH883 Base 1989
Harley Davidson XLH883 Base 1990
Harley Davidson XLH883DLX Sportster 883 Deluxe Base 1986
Harley Davidson XLH883DLX Sportster 883 Deluxe Base 1987
Harley Davidson XLH883DLX Sportster 883 Deluxe Base 1988
Harley Davidson XLH883DLX Sportster 883 Deluxe Base 1989
Harley Davidson XLH883DLX Sportster 883 Deluxe Base 1990
Harley Davidson XLH883HUG Sportster 883 Hugger Base 1987
Harley Davidson XLH883HUG Sportster 883 Hugger Base 1988
Harley Davidson XLH883HUG Sportster 883 Hugger Base 1989
Harley Davidson XLH883HUG Sportster 883 Hugger Base 1990
Harley Davidson XLS Roadster Base 1978
Harley Davidson XLS Roadster Base 1979
Harley Davidson XLS Roadster Base 1980
Harley Davidson XLS Roadster Base 1981
Harley Davidson XLS Roadster Base 1982
Harley Davidson XLS Roadster Base 1983
Harley Davidson XLS Roadster Base 1984
Harley Davidson XLS Roadster Base 1985
Harley Davidson XLT Base 1977
Harley Davidson XLT Base 1978



















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