Tech Resources

Tuesday, January 12th, 2010

Competition Series Insert Installation

In this video, we show you how to change out the inserts for the HMF Competition Series. This is a simple procedure that requires only an allen key. Step 1: Remove the allen screws on the Euro End Cap Step 2: Remove the current insert. (If you are going to keep the Spark Arrestor in, make sure... read more

 

Tuesday, June 2nd, 2009

Headpipe color & Engine tuning

This is not an accurate way to determine headpipe or exhaust gas temperature. Use this as an indicator to check the temperature by a more accurate method. Steel exhibits different oxidation and incandescent colors depending it's temperature. Below 800°F, it will have oxidation coloration. Above 800°F it will display incandescent (glowing) coloration. ... read more

 

Friday, March 20th, 2009

Snorkel Do's & Don't's

Many riders are modifying their machines for deep mud riding as the popularity of the sport increases. The first modification for most bikes are snorkels on the intake, exhaust & transmission. It is important to remember that for intake & exhaust snorkels there are usually other modifications that you must perform besides the... read more

 

Tuesday, March 17th, 2009

EFI Controller Support

What is an HMF Optimizer? Anytime you install an aftermarket exhaust system to your machine, re-jetting (re-mapping on EFI machines) your carburetor is a necessity. The HMF Optimizer is an Electronic Fuel Injection (EFI) Controller that allows you to adjust your fuel mixture for proper performance. Using an HMF Optimizer with your HMF Exhaust... read more

 

Tuesday, March 17th, 2009

Install: Quiet Core & Spark Arrestor

Every HMF exhaust comes with a U.S.F.S. Spark Arrestor uninstalled. The installation process for the Spark Arrestor is the same for the Quiet Core and should only take a few minutes to complete. However, if you have an Elliptical exhaust with a Euro End Cap the installation process is slightly different. Click... read more

 

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