Boyesen Quickshot 3 Honda CRF150R 2008-2023 CRF150RB 2007-2016 CRF250R 2004-2009 CRF250X 2004-2018 CRF450R 2002-2008 CRF450X 2006-2014 Husqvarna SM510 TXC510 2008-2010 SM510R 2005-2010 TC250 2003-2012 TC250R TE250R 2013 TC450 TE450 2003-2010 TC510 2004-20

Quickstart High-volume vertical check valve located in the QS3 for precise, consistent fuel metering Tunable leak jet maximizes volume of fuel and duration of fuel spray for all conditions Integrated Hot Start Assist eliminates problem 4-stroke hot start procedure The most effective way to add performance to a Keihin FCR carburetor Patented design stops bogging and improves throttle response Investment cast and finished to precise tolerances Improved low-end performance Simple bolt-on installation Fits ALL Keihin FCR carbs 25% more fuel capacity