Kris Keefer

Vortex Ignition For 2020 YZ450F

The Yamaha YZ450F comes with the Yamaha Power Tuner App that allows you to change the parameters of the bLU cRU’s ECU settings. It allows the consumer to customize their YZ450F power delivery, so that they can enjoy a more friendly power character or a more aggressive type of delivery. While this system works very…

ByKris KeeferApril 28, 20200Comments

Bike Brands Bolt-Ons Husqvarna KiT Performance Suspension

Ride Engineering Full Performance Linkage (Husqvarna FC450)

Getting that comfortable feel as well as increased track toughness can be somewhat hard to find on the Husqvarna FC450. At least for me anyway. I can go to tracks that are soft and tighter and be completely happy with the Husqvarna and then go to a fast/choppy track that has more flowing corners and…

ByKris KeeferApril 20, 20200Comments

Bike Brands KiT KTM Off-Road

2020 KTM 390 Adventure First Impression

I am not going to sit here and tell you that I am even close to an “adventure rider”, but I do love getting out and exploring through the deserts and mountains near my home on dual purpose built machines. I also like to grab the wife, stick her on the back at times, so…

ByKris KeeferApril 15, 20200Comments

Garage KiT

Hidden Gems (Peet Boot Dryer)

By: Michael Allen About eight years ago I started testing motorcycles and motorcycle related products, which is where I met Kris. At times there were multi day tests that had us either having to wear sweaty boots from the day before or wet boots because they needed to be washed. For a few years I…

ByKris KeeferApril 13, 20200Comments

Bike Brands Bolt-Ons Exhaust Honda KiT Performance

2020 Honda CRF450R Three Way Muffler System Comparison

The 2020 Honda CRF450R is a popular machine. After all of my years with Dirt Rider Magazine as well as doing my own thing over here at Keefer Inc. Testing there has been one thing that hasn't changed… The amount of page views and questions that I get about the Honda are always more than…

ByKris KeeferApril 5, 20200Comments

KiT Motocross Off-Road

Testing Terms Explained (Suspension/Chassis)

Since we are in some weird times right now with this quarantine stuff, I thought it could be cool to learn a little about what each testing term means. What better way to get more in tune with your motorcycle than learning what the definition is to each term. If you listen to the Keefer…

ByKris KeeferMarch 31, 20200Comments

Bike Brands KiT Motocross Yamaha

Top 6 Mods To The Yamaha YZ125

My 14 year old son Aden has been going back and forth between two different colored 125’s, but has seemed to take a liking to the YZ125 the most lately. I decided see which simple mods could help this Yamaha YZ125 two stroke the most in order to get him some extra ponies. These modifications…

ByKris KeeferMarch 29, 20200Comments

Bolt-Ons Exhaust KiT Performance

FMF 4.1 Full System Vs. Akrapovic Evolution Full System Vs. Akrapovic Slip On

We recently received the 2020.5 KTM 450 SX-F Factory Edition and after dissecting it for a few weeks, we thought we would test a couple different muffler systems on it. We wanted to see if we could improve upon the KTM Factory Edition’s delivery. The KTM comes with an Akrapovic slip on we thought since…

ByKris KeeferMarch 16, 20200Comments

Garage KiT Trackside

Questions About Av Gas Answered

A Bit of Information About Aviation Fuel Aviation Fuel has been used as a low-cost substitute for high octane fuels for decades. This was more common in the hay days of 2 strokes, due to higher probability of detonation, and thus the change to 4 strokes has seen a decline in the popularity of “aviation…

ByKris KeeferMarch 10, 20200Comments

Bike Brands Bolt-Ons KiT Performance Suspension Yamaha

Pro Circuit Link Arm (2020 Yamaha YZ450F)

I have tried links in the past on previous generation YZ450F’s with less than stellar results, but since Yamaha changed the frame on the 2020 machine, I thought I would revisit a link to see if it helps improves the Yamaha’s feel around the track. Pro Circuit's linkage arms are CNC-machined from billet aluminum and…

ByKris KeeferMarch 10, 20200Comments

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