jetting for HMF Sport slip on

[matt76]

anybody have a HMF Sport slip on running an open air box? Need some help on what jets to get prior to jetting out. Did you guys keep the stock needle??

[wckedclownz69]

buy a stage 1 and 2 jet kit off ebay for 44 bucks.. its simple to put in and it works thts wht i got with my hmf slip on ,no airbox lid

[matt76]

I'm assuming you left the stock needle alone?? This is for an '07 450er!!