Front and Rear Isolator Kit for Harley Sportster Motorcycles

Change out all the motor mounts on your Harley-Davidson Sportster motorcycle with this custom assembled kit from Fatman's Parts.

Kit includes:
2 x Rear Isolator Motor Mounts, replaces Harley-Davidson OEM 48492-04
2 x Front Isolator Motor Mounts, replaces Harley-Davidson OEM 48463-04

A Front and Rear Isolator Kit for Harley-Davidson Sportster motorcycles serves a critical role in reducing engine vibration and improving the overall riding experience. Here's a detailed breakdown:

Function and Purpose:

• Vibration Reduction:
  The primary purpose is to significantly reduce vibrations transferred from the engine to the motorcycle frame, handlebars, and rider. Harley-Davidson Sportsters, known for their characteristic V-twin engine vibrations, rely on motor mounts to isolate engine movements.

• Improved Ride Comfort:
  By dampening these vibrations, isolator mounts enhance comfort for both rider and passenger, reducing fatigue, numbness, and discomfort on longer rides.

• Enhanced Stability and Control:
  Properly functioning motor mounts ensure better handling and control. Excessive vibration can lead to reduced responsiveness, particularly at higher speeds or when cornering.

Design and Components:

• Rubber Isolators:
  Typically made of high-quality, durable rubber or polyurethane designed specifically to absorb and dampen vibration and engine movement.

Signs You Need Replacement:

• Excessive handlebar vibration

• Increased rider discomfort and fatigue

• Visible cracking or degradation of the mounts

• Engine alignment issues or excessive movement

Benefits of Installing a New Kit:

• Restores original ride smoothness and comfort

• Enhances motorcycle handling and stability

• Extends longevity of motorcycle frame and engine components

• Improves rider enjoyment and reduces fatigue

Common Applications:

• Used widely in Harley-Davidson Sportster models, specifically those from 2004 onward (rubber-mounted engines), such as XL883, XL1200 series, Forty-Eight, Iron 883, and Roadster models.

In essence, the Front and Rear Isolator Kit plays a critical role in maintaining the legendary Harley ride experience by effectively managing vibration and preserving motorcycle performance and comfort.

Fits:
2014 - 2016 Superlow - XL 1200T
2004 - 2006 XL 1200C Custom
2007 - 2016 XL 1200C Custom (EFI)
2006 XL 1200L Low
2007 - 2011 XL 1200L Low (EFI)
2007 - 2012 XL 1200N Nightster
2004 - 2006 XL 1200R Roadster
2007 - 2008 XL 1200R Roadster (EFI)
2012 - 2016 XL 1200V Seventy-Two
2010 - 2016 XL 1200X Forty-Eight
2004 - 2006 XL 883
2007 - 2008 XL 883 (EFI)
2004 - 2006 XL 883C Custom
2007 - 2009 XL 883C Custom (EFI)
2005 - 2006 XL 883L Low
2007 - 2010 XL 883L Low (EFI)
2011 - 2016 XL 883L Superlow
2009 - 2016 XL 883N Iron
2005 - 2006 XL 883R
2007 XL 883R (EFI)
2007 XL50 50th Anniversary (EFI)