Yamaha

Twin Air Power Flow Kit (2023 Yamaha YZ450F)

If you want to get rid of that plastic air filter cage system that sometimes doesn't seal all that well on the 2023 YZ450F, go with the Twin Air Power Flow Filter Kit. To me the Twin Air YZ450F PowerFlow kit is the best all-around filter system for the YZ450F airbox. Why? With this kit,…

ByKris KeeferMay 16, 20230Comments

Bike Brands Honda Yamaha

RMATVMC Keefer Tested Show #329 – Parts/Mods That Actually Work (Honda CRF450R & YZ450F Edition)

http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/230426_keefer.mp3 There is a ton of parts that you can spend your money on and quite possibly those parts may not actually help you at all. Sometimes parts are smoke and mirrors so in this episode Keefer will break down which parts/mods work on the red and blue 2023 450 machines.

ByKris KeeferApril 27, 20230Comments

Bike Brands Bolt-Ons Hard Parts Suspension Yamaha

FCP Engine Mounts: 2023 YZ450F

I believe in aftermarket engine mounts when they are needed and to me (yes, this is an opinion) last year’s 2022 YZ450F didn’t need aftermarket engine mounts. However, when I swung my leg over the 2023 YZ450F, I thought this chassis could use some sort of engine mount to help with some stiffness that I…

ByKris KeeferApril 24, 20230Comments

Bike Brands Hard Parts Performance Yamaha

2023 Yamaha YZ450F Optional Yamaha Power Tuner Maps

I have been tinkering with maps lately on the 2023 Yamaha YZ450F and have come up with a couple new maps good for race day. The Keefer Race map is great for second motos and the Keefer Connection Torque is a map is a map I use for first motos. Either one of these will…

ByKris KeeferApril 23, 20230Comments

Bike Brands Keefer Tested Podcasts Yamaha

RMATVMC Keefer Tested Show #327: Living With The 2023 Yamaha YZ450F At 72 Hours

http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/230411_keefer.mp3 Get the scoop on what went wrong, what went right and all the mods we have tried that work/don't work on the new bLU cRU machine right here!

ByKris KeeferApril 12, 20230Comments

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

2023 Handlebar Bend Spec/Recommendations

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 KeeferMarch 27, 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 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 Yamaha

The Weekend Race Set Up (2023 Yamaha YZ450F)

Kris Keefer (Mammoth Qualifier) Track: Glen Helen Raceway 2/13/23 Terrain: Sandy top soil AM with hard pack in PM Start: Dirt Avg Lap Time: 1:47 Total Number Of Motos: 4 motos (Four 5-6 lap motos) Weight At Time Of Race: 175 pounds w/o gear 2023 Yamaha YZ450F: …

ByKris KeeferFebruary 13, 20230Comments

Bike Brands Yamaha

Dissecting Phil Nicoletti’s Muc-Off/Club MX Yamaha YZ250F

ByKris KeeferFebruary 1, 20230Comments

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