Yamaha YZF-R3 / MT03 exhaust dyno test and superbike build. How much power does the R3 make?

Yamaha R3 Exhaust Test Superbike Dyno horsepower Norton Motorsports
The most extensive Yamaha R3 exhaust and Superbike build information you’ll find anywhere! Read on! It’s been a couple years since I first released my article on the Yamaha R3’s power and some of the available exhaust systems. But a lot has changed in the past couple years so it was time for an update.
Read more
23 Comments

Power Commander PCV vs. Bazzaz Z-Fi vs. ECU Flash vs. aRacer Race ECU

Power Commander vs Bazzaz vs ECU Flash vs aRacer Race ECU
What’s the best? What’s the difference??? This article used to be combined with some dyno and exhaust stuff for the Yamaha R3, but with all the different engine tuning options on the market today, I felt it necessary to discuss it a little more and create a separate article. There are three main categories of
Read more
No Comments

Race Report: 2017 AFM Round 1 – Buttonwillow

I didn’t think I was going to make it to AFM 2017 Round 1 at Buttonwillow, but it turns out my plans with my wife were Friday night, not Saturday night.  So with only 4 hours of sleep, I got up early and rushed to finish packing the trailer.  Last week was so hectic that
Read more
1 Comment

Race Report – CVMA 2016-2017 Round 5 – Chuckwalla Valley Raceway (CCW) – Yamaha R3

Yamaha R3 Racing CVMA Jesse Norton Gray Pham Hammer Jason Madama
Since I had to miss CVMA Round 4 in January, this past weekend was my welcome back to racing after the short winter break here in Southern California.  It’s so nice that we have such amazing weather here and get to race motorcycles while the rest of the country is buried in snow.  So nice
Read more
1 Comment

How to install a Yoyodyne slipper clutch in the Yamaha R3

The Yoyodyne back torque limiting clutch, or slipper clutch as it’s commonly called, is a clutch that uses a set of 1 way ramps, ball bearings, and springs pressed against the clutch boss to allow the clutch to engage when torque is applied in the drive direction, but allows the clutch boss to ride on the ball
Read more
1 Comment

Race Report – WERA 2016 Grand National Finals – Barber Motorsports Park – Yamaha R3

This summer’s busy race season has finally come to an exciting culmination at Barber Motorsports park in Birmingham, AL at the 2016 WERA Grand National Finals over the weekend of October 20-23.  The Yamaha R3 cup race is also part of the WERA GNF, and is a separate race on Sunday where the winner of
Read more
1 Comment

Race Report – CVMA 2016-2017 Round 1 – Chuckwalla Valley Raceway (CCW) – Yamaha R3

The moment we have been testing for, training for, and anxiously awaiting has finally come!  Chuckwalla Valley Raceway CVMA Round 1 happened this past weekend and team YamahaR3Racing.com came ready.  Zeke and I were joined by our new team rider, Toby Khamsouk.  Toby is a close friend of Zeke’s and the two kids having been
Read more
3 Comments

Race Report – WERA West 2016 Round 4 – Auto Club Speedway – Yamaha R3

Team YamahaR3Racing.com was out in full force the weekend of July 23-24th at Auto Club Speedway in Fontana, CA for the WERA West Round 4.  I showed up for the track day on Saturday to get some practice on the small bike since I hadn’t ridden ACS for a few years, and the last time was
Read more
No Comments

Race Report – WERA West 2016 Round 3 – Buttonwillow Raceway – Yamaha R3

It was a bit of a mad dash, but we finished Zeke’s bike in time for the WERA West event this past weekend.  Sergio installed his forks Friday night, so not exactly a lot of breathing room 🙂 but we made it.  I did the paint (writeup coming soon on my budget painting technique, costs
Read more
No Comments

Race Report – CVMA 2015-2016 Round 7 – Chuckwalla Valley Raceway CW – Yamaha R3 2015

Round 7 of the CVMA 2015-2016 Series was unforgettable!  The best round of racing I’ve had at Chuckwalla, and there are some awesome videos to watch below. After missing round 6 of the CVMA series and racing the opening round of the 2016 AFM series, I was dying to get the bike back to Chuckwalla.
Read more
No Comments