2023 - Keefer, Inc. Tested

2023 MX Gearing Spec Guide Updated

I have spent a lot of time testing on the 2023 MX machines you see below. I have went back and forth on several bikes to see which gearing would be good for the average rider. I did the evaluations on tight clay based tracks to flowing sandier based type desert courses. Since the word…

ByKris KeeferJune 27, 20230Comments

Bike Brands Bolt-Ons Exhaust Graphics Hard Parts Performance Suspension Tires Yamaha

Weekend Race Set Up: 2023 Yamaha YZ450F

Kris Keefer Track: Fox Raceway Terrain: Sandy top soil AM with hard pack in PM Start: Grate Avg. Lap Time: Wouldn’t Know Total Number Of Motos: 1 lap Weight At Time Of Race: 172 pounds w/o gear 2023 Yamaha YZ450F: Engine Hours 10.6 Mods/Parts: …

ByKris KeeferMay 31, 20230Comments

Bike Brands Kawasaki

Living With: 50 Hours On The Kawasaki KX250 (56.1 To Be Exact)

Even though my kid has more than one 2023 KX250 laying around the house the one we use the most is our (Keefer Inc.) designated test machine. This KX250 gets the most usage and has seen the most hours. We are currently at 56.1 hours and have almost literally done nothing to it. I couldn't…

ByKris KeeferApril 3, 20230Comments

Bike Brands Gasgas Honda Husqvarna Kawasaki Keefer Tested KTM Podcasts Suzuki Yamaha

Show #324: 2023 250 MX Non Shootout

http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/220321_keefer.mp3 Get the straight scoop about each 2023 250 MX machine and who each could be for. We will also break down our own favorites as well as some behind the scenes aspects of shootouts that we like and don't like.

ByKris KeeferMarch 22, 20230Comments

Bike Brands Gasgas

2023 Gas Gas MC350 Garage Build (Video)

ByKris KeeferMarch 12, 20230Comments

Bike Brands Bolt-Ons Exhaust Hard Parts Performance Yamaha

Akrapovic Evolution Muffler System (2023 Yamaha YZ450F)

The Akrapovic Evolution muffler system is one of the most beautiful looking systems out there in the market today, is well built, and has quality welds all the way around it. The change of shape in the Evolution muffler might take some getting used to but to me, it is one of the most under…

ByKris KeeferMarch 6, 20230Comments

Bike Brands Bolt-Ons Exhaust Hard Parts Performance Yamaha

Parts That I Have Tried, That Work (2023 Yamaha YZ450F Edition)

Since I test so many different parts on so many different bikes, I thought I would produce an article that gives you a few aftermarket parts that actually work. Over the next few months you can find, "Parts That I Have Tried, That Work, articles on all different types of bikes right here! I have…

ByKris KeeferJanuary 25, 20230Comments

Bike Brands Kawasaki Keefer Tested Podcasts

RMATVMC Keefer Tested Podcast Show #317: 2023 Kawasaki KX450SR First Impression

http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/230120_keefer.mp3 Looking to know if an extra 3K is worth it when figuring out if you want a 2023 KX450 or a KX450SR? Are the added parts on the SR worth it? What is the difference on the track? Is the new SHOWA SR suspension better than the previous KYB SR version? Keefer breaks it all…

ByKris KeeferJanuary 24, 20230Comments

Bike Brands Keefer Tested Podcasts Yamaha

RMATVMC Keefer Tested Show #314: Living With The 2023 Yamaha YZ450F After 25 Hours

http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/230103_keefer.mp3 Keefer breaks down the 2023 YZ450F and its strengths and weaknesses after he's spent over 20 hours on the new bLU cRU. Get some suspensions settings, gearing specs, clutch thoughts as well as how to make the new Yamaha feel calmer.

ByKris KeeferJanuary 5, 20230Comments

Bike Brands Bolt-Ons Exhaust Hard Parts Kawasaki Performance

FMF 4.1 Stainless Muffler System (2023 Kawasaki KX250)

The Kawasaki KX250 has undergone some significant engine changes for 2023 and that sparked FMF to make an update to their 4.1 muffler system. The 2023 Kawasaki KX250 engine character has more low end grunt as well as pulling power than last year’s model but it still isn't quite as good as the Yamaha in…

ByKris KeeferDecember 1, 20220Comments

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