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Braketech Vs Galfer Rotor Brake Test Rocco Landers Read more +25 February 2021 By Norton Racing in Kawasaki Ninja 400 / Z400

What’s up with the Kawasaki Ninja 400 / Z400 brakes?

The Ninja 400 / Z400 have decent enough brakes for street use, with their 310mm floating front disc.  It’s larger in diameter than similar bikes like the Yamaha R3 (298mm).  The OEM pads have what seems to be the standard “OEM feel” for budget oriented bike, very wooden, lacking any substantial bite, and requiring a
Read more +24 February 2021 By Norton Racing in Kawasaki Ninja 400 / Z400

** Kawasaki Ninja 400 / Z400 Critical Issues

The Kawasaki Ninja 400 and Z400 are awesome little bikes!  Kawasaki made some advancements to the little bike scene offering a 400cc package that was just as lightweight (or lighter) and nimble as other 250cc and 300cc bikes.  But like with anything that’s a brand new design, there are a few quirks that should be
Traxxion Dynamics Omni Fork Spring Kit Yamaha R3 2015-2018 Read more +24 January 2021 By Norton Racing in Yamaha R3 / MT-03

Suspension Spring Rate Chart for Yamaha R3 / MT-03

*Keep in mind, these are only general recommendations for spring rates to get you close for your weight. Optimum spring rate is affected by countless variables including riding style, preference, pace, track layout and surface finish, and bike geometry and suspension setup.  Generally faster racers will prefer springs at the stiffer end of their range.
Traxxion Dynamics Omni Fork Spring Kit Yamaha R3 2015-2018 Read more +24 January 2021 By Norton Racing in Kawasaki Ninja 400 / Z400

Suspension Spring Rate Chart for Kawasaki Ninja 400 / Z400

*Keep in mind, these are only general recommendations for spring rates to get you close for your weight. Optimum spring rate is affected by countless variables including riding style, preference, pace, track layout and surface finish, and bike geometry and suspension setup.  Generally faster racers will prefer springs at the stiffer end of their range.
Read more +24 January 2021 By Norton Racing in Yamaha R3 / MT-03

** Yamaha R3 / MT-03 Critical Issues

coming soon, address these things first!
Read more +24 January 2021 By Norton Racing in Yamaha R3 / MT-03

*** Top 5 Yamaha R3 / MT-03 Mods and Upgrades

coming soon!
Read more +24 January 2021 By Norton Racing in Kawasaki Ninja 400 / Z400

*** Top 5 Kawasaki Ninja 400 / Z400 Mods and Upgrades

coming soon.
Read more +30 December 2019 By Norton Racing in Press Release

Ultimate Motorcycling article on Norton Motorsports and the Ninja400R!

Moto Journalist Nic De Sena did a test ride with us comparing a stock Kawasaki Ninja 400 to our Ninja400R superbike at a trackday at Chuckwalla Raceway. Pretty cool article, thanks Nic!
Read more +02 December 2019 By Norton Racing in Kawasaki Ninja 400 / Z400

Kawasaki Ninja 400 / Z400 (Ninja 500 / Z500) Clutch Slipping, Poor Shifting, False Neutrals, and Dropping Gears – Explained and Fixed!

***Update 2024*** The Ninja 500 / Z500 is showing the same issues, as it’s the same components for the most part between the Ninja 400 and 500. Items that are different: clutch pull rod and bearing (updated in 2020 on the Ninja 400), and clutch springs. Our Ninja 500 Race Spec Clutch Kit has been
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