Daily Slideshow: Kaichiroh Kurosu's Turbo Street 750

Far from a newbie

Kaichiroh Kurosu runs Cherry's Company out of a shop in Tokyo and is one of Japan's elite builders due to this attention to detail and imagination. Kurosu has been working on Harley-Davidsons for over twenty years with a good mix of both classic and more modern machines. The edict for what was to be done with this bike came directly from H-D which commissioned five builders in Japan to take the Street and create something exciting. 

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Making magic

Cherry's got down to business and took the marching orders from H-D quite seriously as in they began to handcraft one-off parts that include a beautiful girder fork made up from CNC-machined aluminum mounts, and hand-bent carbon steel trusses. In fact, over 50% of the frame is now new. Taking a note from the girder front end there's an arcing trellised section that flows right into the custom swingarm. 

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Low and angrier

Cherry's version of the Street is a racier, aggressive stance that comes from Bespoke 17-inch wheels wrapped with Dunlop slicks. The turbo that was installed on the bike is supported by a custom made oil cooling system, intercooler, and air surge tank. Taking all that air out of the bike is a stainless steel exhaust system. After adding the boost to the bike Kurosu-san bestowed the moniker of XG750 Turbo Street Fighter. 

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That's pretty neat-o

The tail section, tank cover and belly pan are all hand shaped aluminum pieces. The shroud for the headlight is a custom piece also and has been upgraded with a halogen light and a modified bubble shield that functions as a fly screen. 

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Keeping up with Kurosu-san

Underneath the bike is an aluminum inner tank and an electrical system that has been done so nicely that any electrical engineer would be pleased with the craftsmanship.The abyss black comes from Nomad Concepts and the leatherwork comes from Skunk. 

Cherry’s Company | Facebook | Instagram | Photos by Hiromitsu Yasui | 

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Including the kitchen sink

Engine
Turbocharger: automotive
Intercooler: one-off
Air surge tank: one-off
Boost controller: mechanical type/run max
Oil system for turbocharger: one-off
Exhaust & silencer: one-off

Chassis
Frame: stock frame, modified
Front fork: one-off girder fork
Girder fork spring: one-off
Front fork damper: scissor type, one-off
Steering damper: v-twin / modified
Rear swing arm: one-off
Rear suspension: Ducati Monster
Lower engine mount: one-off / 12mm steel
Lower stabilizer: one-off

Brakes & controls
Front master cylinder: Nissin
Front brake caliper: Harley-Davidson
Front brake disc rotor: v-twin / black chromate
Rear master cylinder: Harley-Davidson FLT
Rear brake caliper: Harley-Davidson
Rear brake disc rotor: v-twin / black chromate
Handlebar: one-off
Clutch lever: Tommaselli
Foot controls: Tarozzi / modified

Wheels
Front wheel: one-off
Front tire: Dunlop racing slick / KR149 120/70-17
Rear wheel: one-off
Rear tire: Dunlop racing slick / KR108 195/65-17

Body
Inner fuel tank: aluminum one-off
Fuel tank cover: aluminum one-off
Under cowl: aluminum one-off
Seat cowl: aluminum one-off
Front cowl: aluminum one-off
Front cowl screen: bubble shield / modified
Oil catch tank: aluminum one-off
Headlight: halogen type
Rear stop light: v-twin
Speedometer: stock
Tachometer: v-twin
Seat: leather one-off / made by Skunk
Paint: urethane / Nomad Concepts

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For help with your maintenance and repair projects, please visit our how-to section in the forum.