KX450 - Keefer, Inc. Tested

2023 Kawasaki KX450 Pro Circuit Ti-6 Muffler System

When you think of muffler systems for the Kawasaki KX450, you think of The Pro Circuit Ti-6 muffler system. I have tested a lot of different mufflers for the KX450, but what does the Pro Circuit system bring to the table for the money? The PC Ti-6 system will set you back $1270.00 and will…

ByKris KeeferMay 15, 20230Comments

Bike Brands Kawasaki

2023 Kawasaki KX450SR First Ride Video

ByKris KeeferJanuary 25, 20230Comments

Bike Brands Kawasaki KiT News

2022 Kawasaki KX450SR

The Kawasaki KX™450 has long been the flagship model in the Kawasaki KX™ lineup of motocross motorcycles and is built with race-winning components to help propel Kawasaki riders to the top step of the podium. With decades of winning history, Kawasaki introduces the all-new limited edition 2022 KX™450SR. Previously only reserved for early Kawasaki factory racing machines, the “SR” or Special Racer naming convention represents the pinnacle of Kawasaki race bikes. The all-new…

ByKris KeeferOctober 5, 20210Comments

Bike Brands Bolt-Ons Kawasaki KiT

REC Seat Nuts (Kawasaki KX 450/250)

The REC MX Seat Nuts are designed to be an OEM replacement and use the OEM bolts. Chances are if you have a Kawasaki you already have stripped out the threads on the OEM nuts as they are just too soft. The REC Seat Nuts take a little work to fit/press into the rear fender,…

ByKris KeeferMay 27, 20210Comments

KiT Uncategorized

The Weekend Race Set Up (4/25/21)

I always thought it would be cool to share the notes that I create after a race with the reader. 98% of the time I will input notes about each test bike/part I decide to race any given weekend. The part as well as the bikes change from time to time, but I always like…

ByKris KeeferApril 27, 20210Comments

Bike Brands Bolt-Ons Exhaust Kawasaki KiT Performance

Yoshimura RS-12 Stainless Muffler System (2021 Kawasaki KX450)

The stock 2021 Kawasaki KX450 is pretty damn good machine, but that muffler looks atrocious right? We called up on Yoshimura to see if we can get a more attractive aftermarket muffler system that is actually better than the stock system. I will say that the stock KX450 muffler system works pretty damn well, but…

ByKris KeeferMarch 29, 20210Comments

Bike Brands Kawasaki KiT Motocross

2020 Kawasaki KX450 Top 5 Modifications

Joe Oehlhof is in charge of the 2020 Kawasaki KX450 Keefer Inc. test machine. I like that Joe is hard on bikes and can really test the limits of certain parts of a machine. I asked him to send me his “Top 5” modifications that really improved the 2020 KX450. I didn’t want Joe just…

ByJoe OehlhofDecember 13, 20190Comments

Bike Brands Kawasaki KiT Motocross

2020 Kawasaki KX450 Vet National Race Bike Build (Part Two)

Written By: Joe Oehlhof For part two of this build I got a bit more detail oriented and involved some high-end parts, which provided some big gains, but before we get into that, I’ll give a quick review of how the Dubya Vet World Championship went for me. I ended up 5th overall, not too…

ByJoe OehlhofNovember 13, 20190Comments

Bike Brands Kawasaki KiT Motocross

2020 Kawasaki KX450 Vet National Race Build (Part One)

Written By: Joe Oehlhof Five months ago, Keefer says to me while we were out riding, “Hey, you should race the Vet National.” I responded back with, “Nah, it’s too much work getting ready for it. I don’t have the time.” Of course immediately after Kris is done flapping his lips, his wife Heather chimes…

ByJoe OehlhofOctober 28, 20190Comments

Sign Up to Our Newsletter