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More power for track race enjoyment.: ZEPHYR1100 Custom

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 6 min read

BULL DOCK's ZEPHYR1100

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The Kawasaki ZEPHYR1100 has been stocked in the BULL DOCK store for many years and has been progressively customized. This time it has been updated and given a performance upgrade.

Engine

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The engine was bored up to 1135cc to balance durability with more power than the previous specification. In addition to tuning the inside of the engine, the outside was also built with thorough attention to detail. The previously silver body was painted in heat-resistant black to balance the overall color of the machine. In addition, a new Mccoy engine cover and black body FCR were adopted.
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A round type oil cooler was selected instead of straight type to secure wider demension to cool down hightly tuned engine.

Intake & Exhaust

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The carburetor is a Keihin FCR, but this time it was changed from φ35mm to φ37mm. This change was made to match the engine specifications and to take into consideration the wear and tear of the previously used φ35mm carburetor. More power for track enjoyment.
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This is a 4-2-1 exhaust system for ZEPHYR1100. In order to overcome the problem of aftermarket silencers scraping the ground, BULL DOCK designed the exhaust system so that the maximum bank angle can be secured without modifying the oil pan.

Handle

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The meter covers are stock, but incorporate ACEWELL's ACE-2853 on the left and PIVOT's stepping gauges on the right.

Frame

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The swingarm was changed to Mccoy in order to balance dimensions and strength, and the carbon rear inner fender with integrated chain case is also made by Mccoy.

Bodyworks

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Old version of the bracket was a diversion of the one for Kawasaki Z series. Newly designed Mccoy's variable bracket for Zephyr 1100 can now hold stock meter at the right position.
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Supreme Seat, which uses a unique, highly resilient urethane to reduce fatigue and to make it easier to sense information from the road surface.

Chassis

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For the chassis, the Ohlins rear shocks are laying down and the frame is reinforced in four locations. The exhaust is supported by 190/55 size tires on the rear to prevent the exhaust from scraping the road surface while banking. In addition, the bracket is balanced by setting the offset amount to 30mm.
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The front has upgraded for a safer, more comfortable, and more nimble sport riding experience.
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The rearset has four positions to choose from. In addition to the positions, it was developed with special attention to the operability of the lever, the holdability when external load is applied, and the appearance of the step.
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The rear brakes are rigidly mounted with Sunstar rotors and Brembo 2-pot calipers for control. The rear master cylinder is also Brembo.

Gallery

BULLDOCK_zp1100_01.jpg BULLDOCK_zp1100_02.jpg BULLDOCK_zp1100_03.jpg
BULLDOCK_zp1100_04.jpg BULLDOCK_zp1100_05.jpg BULLDOCK_zp1100_06.jpg
BULLDOCK_zp1100_07.jpg BULLDOCK_zp1100_08.jpg BULLDOCK_zp1100_09.jpg
BULLDOCK_zp1100_10.jpg BULLDOCK_zp1100_11.jpg BULLDOCK_zp1100_12.jpg
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Specifications

Part Details
Engine JE Piston Kit
Carb / Intake KEIHIN FCR Carburetor φ37mm
Exhaust BULL DOCK Winn Mccoy Full Exhaust
Brake Brembo Radial 4pot Caliper(Front)
Brembo Radial Pump Master Cylinder(Front)
Brembo 2pot(Rear)
Wheels MARCHESINI Forged Aluminum Wheel M10S Kompe Evo
Suspension Ohlins x Mccoy Front Fork
Ohlins Rear Shock
Steps BULL DOCK Mccoy Rearset
Drive System Sunstar Premium Racing
Handle / Steering BULL DOCK Stem Kit
Active Fanatic Handlebar
Oil Cooler ACTIVE Round Oil Cooler Kit
Seat Supreme Seat
Electrical ACEWELL Multifunctional Digital Speedometer
PIVOT Tachometer
AS Uotani SP2

About BULL DOCK

We have also released an article on BULL DOCK to our "BWK" series, so check the links below.
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BULL DOCK brand page

Hakuyo
Hakuyo

editor

Hakuyo

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.