Fuel Injector for Kawasaki KX450F fits 2009-2015 Replaces OEM# 49033-0010

Fuel Injector for Kawasaki

This fuel injector replaces OEM part number 49033-0010 for Kawasaki KX450F models from 2009 to 2015, delivering precise fuel metering for optimal engine performance.

Overview

This fuel injector is a direct replacement for Kawasaki KX450F motorcycles built between 2009 and 2015, designed to restore proper fuel delivery and throttle response. It matches OEM specifications to ensure reliable starting, smooth idling, and consistent power across the rev range. The fuel injector uses the same internal flow rate and spray pattern as the original part, making it a straightforward repair for your KX450F.

Built For Performance

• Direct OEM replacement with identical electrical connector and mounting flange
• Precision-machined nozzle for accurate fuel atomization
• Tested to match OEM flow rate of 280cc/min at 43.5 psi
• Corrosion-resistant internal components for long service life
• Plug-and-play installation without additional tuning required

Fits These Machines

• for Kawasaki KX450F 2009
• for Kawasaki KX450F 2010
• for Kawasaki KX450F 2011
• for Kawasaki KX450F 2012
• for Kawasaki KX450F 2013
• for Kawasaki KX450F 2014
• for Kawasaki KX450F 2015

On-The-Job Use

• Motocross racing and off-road trail riding
• Replacement after clogged or failing injector causes rough running
• Engine rebuild or top-end refresh where injector is upgraded to new
• Diagnostic replacement after lean or rich fuel trim codes

Specs At A Glance

Good To Know

Q: Will this fuel injector work on a 2008 KX450F? A: This injector is specifically designed for 2009-2015 models; earlier years use a different connector and flow rate, so check your model year before ordering.

Q: Do I need to replace the fuel injector o-rings when installing? A: Yes, it is recommended to install new o-rings and a new fuel rail seal to prevent vacuum leaks and ensure proper pressure retention.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.