2022-09-07_zephyr1100_nojima_1.jpg?v=1662534908 CUSTOM
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Kawasaki ZEPHYR1100 Custom by NOJIMA

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 7 min read

Japanese Custom Culture

Here is an original series "JCC" stands for "Japan Custom culture" written by Webike Japan. There is no doubt that Japan has one of the best and unique custom parts and its culture in the motorcycle industry, but the language barrier has led to the closure of JDM motorcycle culture to the outside of Japan. Through this JCC contents, we present you one of a kind custom and mods bikes by professional craftmen and enthusiasts who just can't stop loving motorcycle.




The NJ-4, one of the NJ series, is based on the Zephyr 1100. Although it is a heavy bike, the monoshock provides improved traction performance and a wider range of settings, resulting in a comfortable ride that is hard to believe it was a Zephyr 1100. This bike was originally customized by the owner, keeping its original Zephyr style. He replaced the front wheel with a 17-inch wheel, and installed clip-on handles. The rear shock is OHLINS, and the swingarm is a NOJIMA-specific Wheelie's product. Rear shock reservoirs and preload adjusters were placed on the twin shock upper mounts.


First of all, the wheels are Gale Speed Type-GP1SM. Secondly, front fork is by OHLINS with a Wheelie's fork bottom. The brackets are also made by Wheelie. Moreover, the exhaust pipe is Φ38.1mm to Φ42.7mm in diameter, and are center-mounted to ensure a deep bank angle. The exhaust efficiency was also improved and the weight was reduced. In addtion, the engine cover and rearsets are billet parts made by Wheelie, and carbon parts made by Shabondama, a well-known manufacturer of Zephyr custom parts, are used for the cowl. Finally, the fuel tank is made of aluminium by Beater, contributing greatly to weight reduction.



Wheelie's billet parts have been attached to various sections of the bike. For example, the light brackets are giving the headlight area a high quality look. LED blinkers look cool as well.


NOJIMA's original coloring asserts this bike individuality. The tank is made of aluminum by Beater, and the side covers, tail cowl, and front fender are also made of carbon by Shabondama.



OHLINS front forks are fitted with Wheelie's brackets. The handlebar has been replaced to clip-on bar, and the brake and clutch masters are made by Gale Speed.



The oil temperature is thoroughly controlled by changing to an ACTIVE's large type oil cooler. MORIWAKI's plug cooler is installed above the oil cooler.



The rear has been modified to a monoshock. The swingarm is a Wheelie's exclusive product, and OHLINS rear shock is used. Wheels are Gale Speed's Type-GP1SM.


The monoshock and swingarm are connected by linkages, resulting in a progressive effect that dramatically improves road-following and traction performance. The range of setting has also been greatly expanded, raising the limits of riding performance.

Intake & Exhaust


The 4-1 full titanium exhaust is designed to secure the bank angle by using a center ASSY. The ASSY is a spiral collector, and the silencer is a collaboration with Wheelie.


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Part Details
Exhaust NOJIMA Full Titanium Exhaust
Frame Wheelie Bracket
Wheelie Swingarm
Brake Brembo 4 Pot Caliper
Brembo 2 Pot Caliper
Wheels GALE SPEED Forged Aluminium Wheel Type-GP1SM
Bodyworks Shabon Dama Carbon Front Fender
Beater Aluminum Tank


Nojima Engineering is a well-known motorcycle parts manufacturer, their ace products are the exhaust systems, there are many veteran riders use them in Japan. The technology and experience developed on the race track is also applied to the development of their products.

NOJIMA brand page




A foreigner who rides in Japan, Japanese call this "Gaijin Rider". Third year in the Webike global team. He feels and shares the real bike life in Japan then presents you how interesting Japanese customs are.