Hard Parts

2024 Updated Tire Pressure Bible

Riding several tires as well as compounds over the years, I like to write some of the optimal tire pressures every year that I felt worked the best in a variety of conditions. Here are some major brands and the pressures I have found worked the best. If you’re wondering what PSI to run in…

ByKris KeeferMay 6, 20240Comments

Bolt-Ons Hard Parts Motocross

Optional Renthal Handlebar Bends/Recommendations For Your Bike/Size

When it comes to handlebars, it is very particular between each rider. However, I have and still am a big pain in the butt with a rider triangle. The height, width, rise, and position is very important to me between each bike that I test/ride. I find that you can’t run the same handlebar bend…

ByKris KeeferMay 1, 20240Comments

Exhaust Hard Parts KTM Performance

Yoshimura RS-12 Ti Full Muffler System Review (2024 KTM 350 SX-F)

Yoshimura’s goal was to add bottom end performance and over rev of the 23/24 KTM 350 SX-F engine character. On the dyno the new RS-12 TI system adds 2.7% max power and 2.6% max torque, but its not just about the numbers on the track is it? This new system is one of the few…

ByKris KeeferApril 9, 20240Comments

Bike Brands Hard Parts Tires

Dunlop AT82 First Impression

Being that I’m the resident off-road “soul rider” at Keefer inc. whenever something new for the off-road community comes to market I’m lucky enough to get the call and be able to put whatever it is to the test. I got an email early this year asking if I’d be willing to test Dunlop’s new…

ByKris KeeferMarch 6, 20240Comments

Exhaust Hard Parts Kawasaki Motocross

FMF 4.1 Slip On Muffler (2024 KX450)

We recently took delivery of FMF’s 4.1 slip on muffler design to put on our 2024 Kawasaki KX450. FMF is offering a full and a slip on design but for the time being let’s talk about the slip on version. FMF’s slip on version will shed almost 1.5 pounds off of the rear of the…

ByKris KeeferMarch 4, 20240Comments

Bike Brands Bolt-Ons Hard Parts Yamaha

Slater Skins Air Box Cover 2024 YZ250F/450F

Remember Slater Skins? Yeah, the Blue Buffalo Supercross Team that had the complete signage/coverings across their bikes was John Slater’s brainchild, but most recently he has started to offer air box covers for late model YZ-F’s that increase airflow. We all know more air equals more power, but how does it relate to the track?…

ByKris KeeferFebruary 25, 20240Comments

Hard Parts Suspension

Suspension Terms Explained (Helping Your Suspension Tuner)

Instead of just dropping off your suspension to your tuner and hoping he can get your suspension dialed, why don’t you give them some help by directing them on a direction you would like to go. But how do you do this if you don’t know what you’re feeling? Well, let us help you! In…

ByKris KeeferJanuary 22, 20240Comments

Bike Brands Bolt-Ons Gasgas Hard Parts Honda Husqvarna Kawasaki KTM Motocross Suzuki Yamaha

Renthal Bar Bends Of The Stars

I have always been a crazy person for ergonomics which can involve lever placement, handlebar bend, grip compound, etc. I used to scour the pits hey year and ask a ton of mechanic which bar bend their rider prefers. I am sure they get SICK of answering these the of questions but I ask them…

ByKris KeeferJanuary 19, 20240Comments

Bike Brands Bolt-Ons Exhaust Hard Parts Performance Yamaha

Pro Circuit Ti-6 Muffler System (2024 Yamaha YZ450F)

The Pro Circuit Ti-6 Titanium Exhaust System is constructed of titanium throughout the head pipe, mid pipe, and canister while the end-cap is carbon fiber. I wanted the Ti-6 system because I wanted to lose a little weight as the this version of the “6s” allows me to shed almost two pounds off of the…

ByKris KeeferJanuary 5, 20240Comments

Bolt-Ons Hard Parts

Steg Pegz Product Review

I am very picky when it comes to feel of the rider triangle so at times I like to give a specific product to a weekend warrior type rider to see if that product can be felt by the average guy who rides/races on the weekends. I understand that I am very sensitive to rider…

ByKris KeeferJanuary 1, 20240Comments

Sign Up to Our Newsletter