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and read this important article on the issues with the Ninja 400 clutch and shifting.
There are a number of issues with the Ninja 400's OEM clutch and shifting. This kit replaces several key OEM components with upgraded parts to tighten up the mushy clutch feel and stop the clutch from slipping when it shouldn't, eliminate miss-shifts from the sloppy OEM shift parts, and reduce or eliminate the chance of false neutrals. It also includes our clutch shaft protection spacer to protect the engine in the event of a left side crash.
Kit includes our Ninja400R Clutch Cable Spring Kit, Blueprinted Shift Change Shaft and Protection Spacer, Barnett heavy dutch clutch springs, heavy duty shift detent spring, and Race Spec shift star:
If your bike is a 2018 or 2019 model year, these 2020+ Pull Rod and Pressure Plate Bearing will more than triple the life of your clutch plates by eliminating an interference with the stock clutch pull rod and the input shaft in the clutch that causes the clutch to slip prematurely in 2018-2019 model bikes.
If your OEM clutch plates are worn out, or you want to replace them with heavier duty, longer lasting friction plates before you have an issue, these Barnett friction plates have about twice the friction material as the OEM plates for much longer life and better clutch feel.
Do you want a replacement OEM clutch cover gasket?
– March 24, 2020
Installed the Ninja400R Race Spec Clutch Upgrade Kit in a 19′ Z400, it was a fairly painless install with the great instructions. I have to say that this upgrade is absolutely amazing, completely different bike. This upgrade has given me the impression that I am on a much more expensive bike than I actually am. Now shifts smooth as butter, with no dropping out of gear, false neutrals and best of all no more clutch slippage in the higher rev range. Shifts are now more positive and the clutch engagement is way better than stock, with more feel from the lever. I would like to thank Norton Motorsports and Ninja 400R for making quality parts for my bike, something that Kawasaki should have done right in the first place.
Keep up the great work !!!!
(verified owner) – May 9, 2022
2021 ninja 400 with a slipping clutch. after upgrade shifts are very quick and precise, feels like a much nicer gearbox. clutch slip has been eliminated and the bite is significantly improved. clutch lever feel improved as well. all around a large improvement over stock, this feels like a proper sports bike. super detailed write up makes installation very easy, any special tools you may need are available for purchase.
– May 16, 2022
Thanks for the review, glad our write up helped and it’s working out well for you.
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