Bike Brands

2024-2025 Yamaha YZ450F Optional ECU Maps

If you're looking for some optional maps to try for your 2024-2025 here are two recently that I have tried. One map has more torque feel yet has more connectivity because of the TC setting. The second map is more aggressive, has less engine braking but has a good amount of traction out of corners…

ByKris KeeferOctober 27, 20240Comments

Bike Brands Kawasaki

2025 Kawasaki KX250 Optional ECU Map

If you'r looking for a little less engine braking and some more low/mid RPM response this map should help you. It will not pull as long in 2nd or 3rd gears but can help get you back into the meat of the power (recovery) quicker than the stock map. Yes, there are two maps loaded…

ByKris KeeferOctober 23, 20240Comments

Bike Brands Honda

1996 McGrath Themed Honda CR250R Garage Build

ByKris KeeferOctober 23, 20240Comments

Bike Brands Kawasaki

RMATVMC Keefer Tested Show #402: 2025 Kawasaki KX250 First Impression

http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/241018_keefer.mp3 Get the details on Kawasaki's new KX250 for 2025 and see how it stacks up against other bikes in its class. Is the green bike your choice for 2025? Let Keefer help you with that decision!

ByKris KeeferOctober 22, 20240Comments

Bike Brands KTM

A KTM 250 SX-F Headpipe on a KTM 350 SX-F? Why? (Video)

ByKris KeeferOctober 21, 20240Comments

Bike Brands Bolt-Ons Exhaust Hard Parts KTM Performance

Why A KTM 250 SX-F FMF Megabomb Headpipe Is Better On A KTM 350 SX-F

I originally posted a photo of a KTM 250 SX-F FMF Megabomb headpipe mated to a KTM 350 SX-F 4.1 FMF muffler and my DM’s flooded with questions. Why does it do? Why stick the 250 headpipe on the 350? Normally when you purchase an aftermarket muffler system you usually get a smoother roll…

ByKris KeeferOctober 20, 20240Comments

Bike Brands Suzuki

2025 Suzuki RM-Z450 And 50 Years Of The RM

ByKris KeeferOctober 17, 20240Comments

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

2025 MX Gearing Guide

Even though we are not into 2025 quite yet, it is 2025 new bike season and we have been logging the hours on our 2025 motocross machines. I have spent a lot of time testing on the 2025 MX machines you see below. I (as well as a couple other members of our team) have…

ByKris KeeferOctober 16, 20240Comments

Bike Brands Honda

2025 Honda CRF250R Works Edition First Impression Video

ByKris KeeferOctober 14, 20240Comments

Bike Brands Honda

RMATVMC Keefer Tested Show #401: 2025 Honda CRF250R Works Edition Review

http://media.blubrry.com/keefer_tested/pulpmx.com/podcasts/241011_keefer.mp3 Keefer walks you through Honda's first Works Edition CRF250R and fills you in on the differences between the "R" and the "WE". Is the increased price tag worth it, can you feel the polished head work on the track, what exactly is "polishing" when it comes to head work as well as other tidbits about…

ByKris KeeferOctober 14, 20240Comments

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