Hard Parts

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The Makings Of A Great WP Pro Component Settings On The KTM 450 SX-F (With REP Suspension)

Let me preface this article with how much I like to ride the KTM 450 SX-F. But… Yes, of course there is always a “but”, right? I like a lot of things about the KTM 450 SX-F, but the stock suspension isn’t one of them. The AER fork is a slight headache for me as…

ByKris KeeferFebruary 3, 20210Comments

Bike Brands Bolt-Ons Kawasaki KiT Suspension

Pro Circuit Linkage (2021 Kawasaki KX250)

The new Pro Circuit linkage system for the 2021 KX250 and 2019-2021 KX450 gives the KX’s handling performance an entirely different feel. I did this review on a 2021 KX250 because my son Aden was only 125 pounds and needed something plusher for his style of riding. Although I liked the stock KYB suspension, I…

ByKris KeeferJanuary 19, 20210Comments

Bolt-Ons Exhaust KiT Performance

DR.D Stainless Full Muffler System

By: Michael Allen And Kris Keefer It’s no secret that Doug Dubach knows Yamahas. That being said, after years of testing for Yamaha Doug started Dubach Racing Development where he builds finely tuned exhaust systems for other major motocross models. However, this isn’t one of those “other” motorcycles and we wanted to take that atrocious…

ByKris KeeferJanuary 14, 20210Comments

Bolt-Ons KiT Performance

Zero Resistance Throttle

I am one to usually change my throttle tube out several times during the lifespan of my test machines. Plastic tubes wear out and it can get tough to pull the throttle after some use. I am not a huge fan of aluminum throttle tubes because they help throttle resistance minimally and usually give me…

ByKris KeeferJanuary 4, 20210Comments

KiT Tires

On My Own Dime: My Favorite MX Tires

To keep up with these ongoing “On My Own Dime” articles I thought it would be informative to write about a few of my favorite tires. I don’t use the same tires year round, because quite frankly some conditions/tracks suite different tires better. For example, I raced with a MX3S/33 combo at Loretta’s and then…

ByKris KeeferNovember 25, 20200Comments

Bike Brands Bolt-Ons Husqvarna KiT KTM Performance Suspension

Ride Engineering Split Triple Clamps (KTM/Husqvarna)

The stock KTM/Husqvarna clamps are too stiff for me! What about you? Well, if you’re here reading this, chances are they might be too rigid for you as well! It’s odd because most other manufacturers OEM clamps are on the soft side, but the Austrians had something more rigid in mind when making these stock…

ByKris KeeferNovember 12, 20200Comments

Bolt-Ons Clutch KiT Performance

Hinson Momentum Steel Clutch Basket

Hinson makes steel clutch baskets that replace the aluminum standard baskets on Honda, Yamaha, Suzuki and Kawasaki MX machines. If you’re wondering what the benefits are, let me tell you how I stumbled across this basket years ago. I was looking to smooth out the hit of one of the first generation YZ450F’s and there…

ByKris KeeferNovember 5, 20200Comments

Bolt-Ons Exhaust KiT Performance

Twisted Development Performance Exhaust Flange

Looking for more throttle response as well as increased pulling power out of corners on your KTM 450SX-F? Although I love that smooth engine character on the KTM, I could stand to get a little more throttle response and excitement from the orange machine as well. Jamie from Twisted Development and I went through several…

ByKris KeeferOctober 23, 20200Comments

Bike Brands Bolt-Ons KiT Performance Yamaha

Slater Skins Air Box Cover (Yamaha 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 KeeferOctober 19, 20200Comments

Bike Brands Bolt-Ons Exhaust Kawasaki KiT Performance

Pro Circuit Ti-6 Muffler System (2021 Kawasaki KX250)

Over 300 part number changes have been made on the 2021 Kawasaki KX250. After our first day on the new KX250 I was quite impressed with its ability to pull hard out of the corner and rev out longer than last year’s model. However, even though the Kawasaki has improved for 2021, the muffler still…

ByKris KeeferOctober 15, 20200Comments

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