Dark Arts Racing Engines Posts

How to remove the OEM bodywork of the Kawasaki Ninja 400

This post will cover how to take off the OEM Headlights, Tail fairings and Upper/lower fairings from the Kawasaki Ninja 400.  This may be helpful if you want to change the front turn signals for flush mount turn signals, Install race bodywork, change the oil, or just repair crash damage.  If you’re doing an oil change, …

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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. …

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