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Cafe Racer Reimagined: Kawasaki Z1 Custom

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 9 min read

PMC's Z1 [900SUPER4]

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The 2022 Tokyo Motorcycle Show has just come to a close, Webike went to the show and is here to introduce you to a custom model "PMC's Kawasaki Z1 Cafe Style".
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The Z1 uses superior performance parts, and this specially built machine can handle everything from the street to winding roads. While the frame is not reinforced, the Z1 is designed to also perform well on the track. We have also released an article on PMC Z1B to our "JCC" series, but those who read it may find that one customized a bit conservative, so let's change the flavor with this cafe model.

Engine

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A full engine overhaul job with a PMC rebuilt clutch housing. This Z1 has been big bored to 930cc. PMC used a replacement piston kit with an emphasis on practicality and little need for an extreme carburetor reset.
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The compression ratio is designed to be 8.5:1 for the Z1, the same as the catalog specifications. The stock engine has been fine-tuned while maintaining its original characteristics

Intake & Exhaust

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A high performance exhaust with a megaphone tail and a second combined exhaust reminiscent of an 80's superbike.
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The Φ120mm megaphone with a tail cut to resemble a gun barrel for a powerful look.
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The carburetor is a racing-spec CR31 machined from aluminum. It has received overwhelming support for its excellent maintainability and durability, not to mention its potential for rapid acceleration work and increased engine output.

Chassis

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PMC sand blasted the full frame and painted it using a urethane curing oven.
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The Laydown Kit also equipped to maximize the dynamic performance of the suspension.
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The KYB36KZ is based on a special fork used on Superbikes in the 70s, stiffer but with less extra weight, and the inner tube and outer case are equipped with sliding metal to reduce friction.
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This YSS rear shock is equipped with 2 high speed/low speed compression damping force system, 1 rebound damping force system, spring preload and ride height adjustment. The large capacity reserve tank prevents cavitation and increases the oil capacity for better heat dissipation.
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A round iron swingarm racing type equipped with stabilizer for much improved rigidity and stability.
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For the wheels, a novel and nostalgic cross-sectional spoke design is used.
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The wheels on this Z1 are the special painted version (painted by Rustic). The PMC logo can be seen on.
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Well, the handlebar section is a little less what I expected. Maybe I prefer the clip-ons handlebars of a cafe style.

Bodyworks

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This is high quality synthetic leather specifically designed for motorcycle seats for durability and weather resistance, and the seat base is made of steel, similar to the original.
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The entire bike is painted with the patterns and materials designed specifically for this motorcycle.
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Although this is a cafe style Z1, we have to admit that there are many representative elements of Asia that have been blended into the making of this motorcycle. "Dragons", "gold", etc. (Fun fact: the golden parts are actually made of real gold, so you can imagine how expensive this custom paint is!)
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The sensation of the actual vehicle was stronger than the photos, and I can say that this Z1 was the one that impressed me the most in the PMC booth that day.
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Kawasaki Z2 Type Tail Lamp equipped.

Gallery

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Specifications

Part Details
Engine Full overhaul
Z1000J clutch convertor, valve, valve guide and idler
Z1 Casting Piston Kit (67.0φ/1.0mm over)
Carb / Intake KEIHIN JB-POWER CR Special Racing Carburetor 31φ
PMC Clear Float Chamber for CR Carburetor
Exhaust PMC LOUDEX Exhaust System
Frame Blasting, paint by urethane curing oven
PMC Z/KZ Laydown Kit
PMC Swingarm
Brake Front: PMC Φ320 Disc Rotor and CP2696 Brake Kit
Radial Brake Master Cylinder Φ17.5
Rear: Φ250 Disc Rotor & CP2696 Rear Brake Kit
Wheels Front: PMC SWORD MATRIX 2.75-18
Rear: PMC SWORD MATRIX 4.50-18
Suspension PMC KYB36KZ
YSS S-II362 350mm(Special Powder Coat Spring)
Steps PMC Billet Rear Sets Type
PMC Rear Master Kit
Drive System PMC 530 Drive Kit STD Sprocket & 110 Link Chain Set
Handle / Steering PMC High Throttle Kit TYPE-2
PMC Stainless Steel Handlebar GP-Touring
PMC DRAFT OW Type Handlebar Switch(Left)
PMC DRAFT OW Type Handlebar Switch(Right)
Seat PMC Seat Complete Tuck Roll Type
Electrical DYNATEK DYNA2000 Extra Package
TAYLOR Silicone Wire for Air-cooled (135-degrees)
PMC Z1/Z2 Hybrid Main Harness Set
PMC MF Battery Corresponding IC Regulator
PMC Z2 Type Blinker
PMC Z2 Type Tail Lamp (smoke)

PMC(Performance Motorcycle Creative)

When it comes to KAWASAKI's Z-series custom parts, there may not be a more professional brand than PMC, even the parts compatible with the 1972 Z1. PMC has improved and grown, has been exhibited 7 times at the Tokyo Motorcycle Show. About 4,000 riders came to the 10th motorcycle festival of "West Japan Z meeting" held by PMC in 2019.

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PMC(Performance Motorcycle Creative) 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.