We have come across a couple more maps that we thought worked well in the 2020-2021 YZ450F. These maps feel completely different from each other, but if you’re looking to change your engine character a little, try either one of these maps for your desired delivery.
Smooth out the herky/jerky low end feel when rolling…
Yamaha
Written By: Michael Allen
Just like a long lost love or relationship there usually is a certain machine that you will have throughout your life that was your “high school sweetheart”, one that was “quirky, but fun” or maybe it was “the one that got away”. For me, ever since I went to the introduction…
By: Michael Allen
I think it’s safe to say that the majority of people who follow and read Keefer Inc.’s content are moto or off-road enthusiasts and I put myself in that category as well. That being said, after riding the 2021 Tenere 700 my eyes have been opened to an all new type of…
When it comes to handlebars I am a pain in the ass. The height, width, rise, and position is very important to me between each bike that I test. I find that you can’t run the same handlebar bend on every bike, even though I like a bend on one bike, sometimes it doesn’t feel…
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…
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…
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…
For over 10 years the YZ125 engine has remained the same. At one time it was the best 125cc engine around, but in recent years that award has gone to KTM/Husqvarna. KTM and Husqvarna’s latest 125cc engines have a wider powerband and is simply more exciting everywhere on the track. Compared to the KTM and…
Written By Michael Allen And Kris Keefer:
The YZ250F is one of the best 250 four strokes in class for 2020, but that doesn’t mean it can’t be made even better. Here are five easy and relatively inexpensive modifications that will make you love your 2020 YZ250F even more.
1. Keefer “Free Feeling Map”: The…
Written/Tested By: Michael Allen
It’s no secret that the YZ250F is one of, if not the best 250F in the class for 2020. One of the things that makes the YZ stand out is the raw amount of torque it produces compared to the other bikes in the class. Some of the other bikes may…