V-Twin CV Carburetor Main Jet 1.75mm For Harley FXST (20725)

The CV carburetor main jet delivers a 1.75mm orifice for precise fuel flow on Harley-Davidson FXST models, supporting consistent throttle response and engine performance.

Designed with precision and crafted in Japan, this main jet carries OEM cross-reference 27090-89 for compatibility with original equipment and uses part number 20725. This ensures reliable replacement behavior and predictable tuning when jetting your CV carburetor.

Compatible with specific Keihin carburetor configurations, it is suggested for use with carburetor models #35-9283, #35-0065, and #35-9334 to optimize fuel delivery and overall performance.

Fitment

• Harley Davidson FXST models (1990–1999)
• Broad compatibility listed across Harley lines (FLST, FLT, FXD, FXR, XL) through 2026

Installation and tuning can be aided by accessory tools such as the Keihin Slow Jet Driver Tool and Needle Jet Seat Cutter Tool. A high-flow brass fuel inlet is included in compatible accessories to help improve fuel delivery during setup and performance tuning.

For rebuilding or tuning your Harley FXST CV carburetor, the V-Twin CV Carburetor Main Jet 1.75mm provides a precise, reliable option that aligns with OEM standards and established performance expectations.

CV carburetor main jet is 1.75mm.

Upgrade your Harley Davidson FXST motorcycle with the V-Twin Part Number 20725 CV Carburetor Main Jet. Designed with precision, this main jet features a 1.75mm orifice, ensuring optimal fuel flow and performance. Crafted in Japan, it adheres to high manufacturing standards, providing reliability and consistent performance for your bike. The main jet is compatible with several Harley Davidson FXST models from 1990 to 1999, making it an ideal replacement part for maintaining or enhancing your motorcycle's carburetor efficiency. Its OEM cross-reference number 27090-89 ensures compatibility with original equipment, simplifying installation and replacement procedures. This component is recommended for use with specific carburetor models #35-9283, #35-0065, and #35-9334, which are popular among Harley Davidson enthusiasts for their performance characteristics. Proper jetting is critical for engine tuning, fuel economy, and overall bike responsiveness, and this main jet provides a precise and reliable solution. In addition to the main jet, consider accessory tools such as the Keihin Slow Jet Driver Tool or Needle Jet Seat Cutter Tool to facilitate installation and tuning. The high flow brass fuel inlet included in compatible accessories helps improve fuel delivery, further enhancing engine performance. Designed for ease of installation and durability, this main jet is an essential component for motorcycle enthusiasts seeking to optimize their Harley Davidson FXST's carburetor system. Whether you're rebuilding or tuning your motorcycle, the V-Twin CV Carburetor Main Jet offers a dependable choice for maintaining peak performance.

Features:

• Main jet size: 1.75mm orifice for precise fuel flow

• High-quality Japanese manufacturing ensures durability and reliability

• OEM cross reference 27090-89 for easy compatibility with original parts

• Compatible with Harley Davidson FXST models from 1990 to 1999

• Suggested for use with specific carburetor models #35-9283, #35-0065, #35-9334

• Includes accessory items such as jet driver and seat cutter tools for installation and tuning

Fitment:
Harley Davidson FLST 1990
Harley Davidson FLST 1991
Harley Davidson FLST 1992
Harley Davidson FLST 1993
Harley Davidson FLST 1994
Harley Davidson FLST 1995
Harley Davidson FLST 1996
Harley Davidson FLST 1997
Harley Davidson FLST 1998
Harley Davidson FLST 1999
Harley Davidson FLST 2000
Harley Davidson FLST 2001
Harley Davidson FLST 2002
Harley Davidson FLST 2003
Harley Davidson FLST 2004
Harley Davidson FLST 2005
Harley Davidson FLST 2006
Harley Davidson FLST 2007
Harley Davidson FLST 2008
Harley Davidson FLST 2009
Harley Davidson FLST 2010
Harley Davidson FLST 2011
Harley Davidson FLST 2012
Harley Davidson FLST 2013
Harley Davidson FLST 2014
Harley Davidson FLST 2015
Harley Davidson FLST 2016
Harley Davidson FLST 2017
Harley Davidson FLT 1993
Harley Davidson FLT 1994
Harley Davidson FLT 1995
Harley Davidson FLT 1996
Harley Davidson FLT 1997
Harley Davidson FLT 1998
Harley Davidson FLT 1999
Harley Davidson FLT 2000
Harley Davidson FLT 2001
Harley Davidson FLT 2002
Harley Davidson FLT 2003
Harley Davidson FLT 2004
Harley Davidson FLT 2005
Harley Davidson FLT 2006
Harley Davidson FXD 1993
Harley Davidson FXD 1994
Harley Davidson FXD 1995
Harley Davidson FXD 1996
Harley Davidson FXD 1997
Harley Davidson FXD 1998
Harley Davidson FXD 1999
Harley Davidson FXD 2000
Harley Davidson FXD 2001
Harley Davidson FXD 2002
Harley Davidson FXD 2003
Harley Davidson FXD 2004
Harley Davidson FXD 2005
Harley Davidson FXD 2006
Harley Davidson FXD 2007
Harley Davidson FXD 2008
Harley Davidson FXD 2009
Harley Davidson FXD 2010
Harley Davidson FXD 2011
Harley Davidson FXD 2012
Harley Davidson FXD 2013
Harley Davidson FXD 2014
Harley Davidson FXD 2015
Harley Davidson FXD 2016
Harley Davidson FXD 2017
Harley Davidson FXR 1990
Harley Davidson FXR 1991
Harley Davidson FXR 1992
Harley Davidson FXR 1993
Harley Davidson FXR 1994
Harley Davidson FXST 1990
Harley Davidson FXST 1991
Harley Davidson FXST 1992
Harley Davidson FXST 1993
Harley Davidson FXST 1994
Harley Davidson FXST 1995
Harley Davidson FXST 1996
Harley Davidson FXST 1997
Harley Davidson FXST 1998
Harley Davidson FXST 1999
Harley Davidson FXST 2000
Harley Davidson FXST 2001
Harley Davidson FXST 2002
Harley Davidson FXST 2003
Harley Davidson FXST 2004
Harley Davidson FXST 2005
Harley Davidson FXST 2006
Harley Davidson FXST 2007
Harley Davidson FXST 2008
Harley Davidson FXST 2009
Harley Davidson FXST 2010
Harley Davidson FXST 2011
Harley Davidson FXST 2012
Harley Davidson FXST 2013
Harley Davidson FXST 2014
Harley Davidson FXST 2015
Harley Davidson FXST 2016
Harley Davidson FXST 2017
Harley Davidson XL 1988
Harley Davidson XL 1989
Harley Davidson XL 1990
Harley Davidson XL 1991
Harley Davidson XL 1992
Harley Davidson XL 1993
Harley Davidson XL 1994
Harley Davidson XL 1995
Harley Davidson XL 1996
Harley Davidson XL 1997
Harley Davidson XL 1998
Harley Davidson XL 1999
Harley Davidson XL 2000
Harley Davidson XL 2001
Harley Davidson XL 2002
Harley Davidson XL 2003
Harley Davidson XL 2004
Harley Davidson XL 2005
Harley Davidson XL 2006
Harley Davidson XL 2007
Harley Davidson XL 2008
Harley Davidson XL 2009
Harley Davidson XL 2010
Harley Davidson XL 2011
Harley Davidson XL 2012
Harley Davidson XL 2013
Harley Davidson XL 2014
Harley Davidson XL 2015
Harley Davidson XL 2016
Harley Davidson XL 2017
Harley Davidson XL 2018
Harley Davidson XL 2019
Harley Davidson XL 2020
Harley Davidson XL 2021
Harley Davidson XL 2022
Harley Davidson XL 2023
Harley Davidson XL 2024
Harley Davidson XL 2025
Harley Davidson XL 2026