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Studio Motor’s Honda CB750

Posted on December 8, 2012 by Scott in Café Racer. 34 comments

By guest writer Ian Lee.

I went for my first ride in a tuk tuk this week. Do you think I was in Singapore? Nope. Laos? Not even close. Thailand? No siree… I was actually in a workshop on the outskirts of Sydney. I got the idea of it though, garishly decorated and loud, a simple means to get around. Hailing from the same part of the world, comes a bike that is the healthy opposite to the idea of a tuk tuk. Well thought out aesthetics, the note of 736cc of Honda quad cylinder power, and a race fairing beat out of galvanised plate come together to show (once again) the talents of Donny Ariyanto at Studio Motor. If only as much thought went into tuk tuk design as went into this.

After spotting a replica of ‘Bugsy’ Mann’s famous CB750 racebike at the mall, an inspired Nugroho O.S commissioned Studio Motors to build him a bike modelled on the 1970 Daytona 200 winner. Starting with a bike that looked sad, but with an almost original condition engine, Donny and his team got to work. In true Studio Motor style, 1.2mm thick galvanised plate was used to form the fairing, gas tank, fender and tail. And because racebikes, even replica ones, aren’t complete without rearsets, a pair was sourced from Nui projects.

The factory front end has been ditched, in it’s place a Suzuki Bandit 400 pair of forks. The Bandit’s Nissin master cylinder and caliper have been retained to add to the stopping power of the front end, to bring it more up to date. 19 inch wheels are fitted front and rear, with Donny convincing Nugroho to keep the Comstar rims, to keep the bike looking as period correct as possible.

The bike is rather visually pleasing, Komet Studio applying a Spies Hecker based candy red with varnish. The wetlook effect finish is exactly what Donny was aiming for with the paint. The powertrain got a freshen up too, the engine block covered with a mix of powdercoating and polishing offsetting each other. The exhaust is entirely custom, put together by Asky Custom Muffler to bring out the beautiful note of the Honda 4.

Donny and Studio Motor have really come into their element, using all their resources, on top of their own abilities to produce this machine. The paint, the lines, the skinny tires all work together to produce a replica of a replica – which is something amazing in itself. And in a part of the world that produces something as aesthetically and aurally displeasing as the tuk tuk (they do put a smile on your face though), it’s good to know there are guys like Donny around to show us some true automotive beauty.

  • ibenk


  • Sidewinder


  • Dadan


  • Mark Linder

    I take it no one rides this. 3 inches unladen clearance from front fender to fairing, and not much more on the rear. Carbs have no airbox, pods or stacks on them. Metalwork and paint look good though, and since this is a looker instead of a rider, I guess that’s important.

    • Mark Linder

      OK, I went and looked at the bike on their website, and now I’m even more confused. A bank of CV carbs is on it. Since when did any SOHC4 750 come with CV carbs? Oh yeah, they didn’t.. and why would you fit them, if you could? And if you decided to anyway, CV carbs + no vacuum on the intake side = not really working.
      So yeah, this is not a motorcycle. It’s a piece of furniture.

      • Joan

        Just info Mark, our friend at Studio Motor have ride this bike around 50 KM at Jakarta (between Bintaro – Senayan – Bintaro), and everything was okay without filter carb. When they took the photo Donny still made a filter carb used Alumunium material, cause’ I know him, He preferred to make than to buy. Oh ya….this bike attended KustomFest (Motorcycle Contest) at Yogyakarta last October and for your info KustomFest used a higher standard scrutineering. Everything must okay, brake system, engine must be turn on for one minute and the bike should be able to run well.

        • Mark Linder


          • B

            I gotta sorta agree with Mark… there is something off about this bike… I think it has to do with mating a performance fairing, tank and seat to a brat-bike’s suspension geometry and tires… it kinda looks like a dog whose legs are too short. Also, there is something off with the way angle of the upper fairing… It just looks forced to me.

            That said, the finish and paint is exquisite! Wow! I also love the seat – I just wish that fine little ass was up in the air, not dragging right over the rear tire.

            Just because it’s not to my taste though doesn’t mean it’s not a great bike! 🙂

          • Mark Linder

            B, the angle of the fairing is off. It has to be to get the front wheel to fit with any clearance at all. The top of the tire (on a cr, or pretty much any sohc4 cb750) is about 5 to 6 inches lower than the small frame rails under the tank.
            On this bike, the top of the tire is damn near even, possibly above that point, so the fairing had to be angled up to fit the front wheel.

            You nailed it, though. It’s a brat bike with CR tins on it.

            Again, finish really appears to be very good on this bike, regardless of what else I may say. I am, in the end, a form follows function guy, probably to a fault, and my posts reflect that.

  • blackbird

    I’d ride that! I’d even go pick up Mark Linder and give him a ride around the block….then drop him back off at home and go ride some more.

    • Mark Linder

      😉 The rear tire would eat through the tailpiece with both of us on it!

      • blackbird

        lol… Nice! Your right, it’s to low for two folks. I’ll let you ride it first 🙂

  • revdub

    Absolutely beautiful.

  • Adam Santella

    minus the fugly fairing and its a lowrider… already has the candy paint and gold in the chain

  • HammerheadFistpunch

    Comstars – meh. Just put the proper wire rims & tires that fit & I think we’ll all be happy, even Mark.

    • Mark Linder

      f2 and f3’s had comstars 😉 ‘course, wasn’t a 19″ rear. And no, I wouldn’t be ‘happy’, there’s still the issue of what appears to be stock cb350twin shocks out back (1.5″ shorter than stock) and the 6 or so inches shorter than stock front end. I think the workmanship is nice.

      I should stop posting negative things about this bike. Yeah, I’m done saying bad things.

      • ecosse

        that’s alright mark. i happen to agree with your assesment (pro and con) and if some only tolerate positive feedback to that i’d say, too bad.

        oem shockers on a “race” bike?


        • Mark Linder

          oem cb350…. :/ I think…. How ya been, ecosse? Long time no see.

          • ecosse

            yeah i know. been away from the forum but trying to peek in then and now.

            my poor 550 has been in mothballs, been neglectful of the girl, so i must make amends over the winter.

            hope all is well in your neck of the woods.

  • Everyone’s a critic.

    • itsmefool

      Isn’t that the point of feedback?

  • I like this bike in a scrunchy sort of way. Looks like some things may need to be done to ride it without bottoming out. And I notice nothing over the carbs, but with a few tweaks and VERY progressive springs, it might work.

  • Cliff Overton

    Slightly confusing to look at, and I agree with many of the comments here about the front fairing angle (looks like it is looking up rather than forward) and the clearance. I think the tank looks too big too. But all this is based on hours of staring at real CR750’s and wishing one day to own one.

    PS – Comstars rock.

  • nvr2old

    I really like this bike overall. I, too, question the suspension travel. Seems like it would rub just sitting on it, and I wonder about the rear Comstar being a 19″ wheel. Honda never made a rear 19″ and they would be difficult to modify. That one looks more like an 18″. Just being nit-picky, because overall, it’s really well done.

  • tmcsp

    Gorgeous body work and paint. You get points there from me. Fail on suspension travel, tire choice, single front disk, and rear drum, poor rear shocks and using forks from a super tiny light bike like a B400 on a much heavier bike.

    There is a difference between riding it 25 miles to a show where the motor runs for a minute and the brakes have to work, and taking it out and RIDING the bike to the level of performance that it’s racy looks promise.

    Very much an all show no go bike. Shame because this really is a thing of beauty.

  • aaron

    nice looking..clearance issues for sure and please, if your going to build a racer, use good tires….the F-stones look out of place.

  • Team Obsolete

    Great build, captures the style of vintage Japauto, Sonauto, Yoshimura, Moriwaki etc early seventies racers. When was the last time you’ve seen one of those in the flesh? I could almost forgive the ugly as sin Comstars, but get your hands on a pair of period Campagnolo’s and you have a showstopper.

  • hongkingkong

    still look good

  • Anybody who can beat metal like that has real street cred! Kudos to the builder.

  • Leroy

    In spite of it’s obvious flaws, I want this bike to work. I love old honda racing tinware, and I love mags with retarded firestones on them. I love all the elements that have gone into it, and even though it may not be “right” it’s exactly what I wish I could have.

  • Bryan Kerswill

    With those tyres, that suspension and clearance of the body work it is but fake i,m afraid. Made in attempt to look cool, which it might to some but not me. In fact i,d say it would border on dangerous if ridden with any sort of gusto when that fairing whacks the front mudguard. Still each to his own i guess.

  • Flying W

    Fit it with some wooden wheels, I say. It’d look way cool, and offer better grip than those antique Firestones. Why is fitting shit tyres a trend? That takes cafe racers down the chopper path, form following function for the sake of fashion. I like the twin mufflers, though…

  • Flying W

    I mean function following form…