/r/CafeRacers
Welcome to r/CafeRacers.
This is a subreddit/community where you can share photos and have discussions as well as asking for help/advice if needed.
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The Basics
Photos and build links for Cafe Racers, both classic and new-school.
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/r/CafeRacers
81,340 Subscribers
My Chinese teacher sucks
How to tell him I can't understand his accent in Japanese?
04:24 UTC
Suzi Going on 15!
RYCA on a nos 08 donor. England 57-61, warped my m/c taste! My b-road burner without brit bike issues. The other woman, says my wife. Good bike, cheap fun.
18:29 UTC
GT 865
Finished up my first project bike, 2021 Royal Enfield GT 865, it’s 650 but I fitted the S&S big bore kit and cam. Have other posts with the entire mod list.
16:27 UTC
My Honda CX500 -78
11:18 UTC
Rebuilding my Grandad's Vintage Motorcycle! The Ariel rebuild Part Nine point Five: Valve guides
Just a short one to finish off the last video - I said i'd get the old valve guides removed in that video but didn't quite get round to it - so it gets its own (half) episode!
Bit of heat and hammering and they're gone - and new replacements from Draganfly are ready to go back in.
10:13 UTC
Highness caferacer
Customized honda
10:09 UTC
Highness caferacer
Customized honda
10:08 UTC
What's this? Virago?
09:30 UTC
My project 1981 Suzuki GSX 250
Currently working on mounting the back guard and a way to continue the other half of the guard through as it's off a 1983 GSX. It's boxy like an old Harley tail so I might run that for something different.
01:46 UTC
Motogadget mo.unit kickstarting
looking for someone with experience with the motogadget mo.unit. with this installed, and if the battery where to be dead would you still be able to kickstart/bump start the bike?
01:06 UTC
Found on the street today
00:14 UTC
Blacked out
Can you guess the bike without reverse searching the image? 😈
06:40 UTC
Tom's Introduction to DNA's Custom Motorcycles
I recently was given the chance to visit the DNA Performance Filters headquarters in Athens, Greece.
What started as a bit of a holiday turned into an incredible journey through DNA’s facilities, a little ride through the hills of Greece and a chance to get up close with three of their standout machines: the DCR017, the DCR018, and the DRR022 Moto3 spec racer.
These bikes aren't just eye candy—they're a testament to what's possible when passion meets engineering prowess, and the technology to experiment. I wanted to share my experience with you, giving you a detailed look at these exceptional builds.
The DCR017 "Brain Eraser"
First up is the DCR017, also known as the "Brain Eraser." This bike is built on a KTM RC8 1190 platform from around 2016-2017. It's actually the project that kicked off my collaboration with DNA. Seeing it come together over emails was one thing, but standing next to it in person was something else entirely.
The bodywork on this bike is completely CNC-built. The tank is machined from a single block of billet aluminum—hollowed out to perfection. The same goes for the tail section and various caps. Anything you see that's orange or silver (apart from a few small parts) was crafted in-house. They've got a couple of Haas CNC machines running day and night to bring creations like this to life.
But this isn't just a showpiece. DNA went deep into the engine, bringing it up to full Superbike specs. We're talking 192 horsepower in a bike that weighs 162 kilograms. That's a power-to-weight ratio that'll get your heart racing.
One of the standout features is the specially built Stage 3 performance air filter integrated into the tank. Being a V-twin, the intake comes through the top of the engine. They've designed the tank to house this custom filter, so when you're riding, you're right next to that raw intake sound. Combined with the Akrapovic exhaust system, it's an experience that's hard to put into words.
Riding the DCR017 was nothing short of exhilarating. The bike is an absolute beast, but it's also incredibly well-balanced. The power delivery is smooth yet ferocious, and the handling is razor-sharp. It's clear that countless hours of engineering and craftsmanship went into making this machine what it is.
For more details, check out their official site: dcr017.com.
The DCR018 "Billet Sting"
Next up is the DCR018, aptly named the "Billet Sting." After the success of the DCR017, the team at DNA wanted to push the envelope even further. This time, they started with a BMW R nineT engine. But unlike the previous build, this bike is entirely custom-made around the engine—everything else is crafted from scratch.
When I say custom-made, I mean completely machined in-house. The guys at DNA have designed and built their own frame, swingarm, tank, side panels—you name it. The front fairing and intake are machined from billet aluminum, resulting in an aggressive and unique aesthetic. These components aren't just functional; they're works of art.
To put it into perspective, there's over 600 hours of CNC machining in this bike, not including the 150+ hours of design time. That's a massive investment of time and skill, all done within the four walls of their facility. It's an incredible achievement and a testament to their dedication.
The only BMW parts left on this bike are the engine and the drivetrain to the rear wheel. They've fitted it with Kineo wheels, Hyperpro suspension, and an Akrapovic exhaust. Everything else is a product of their own ingenuity and hard work.
This level of engineering use of machinery is next-level stuff. The attention to detail on the DCR018 is just staggering. Whether you're into high-tech builds like this or prefer more traditional styles, there's no denying the craftsmanship and dedication that went into the DCR018. It's bikes like this that inspire us to keep pushing the boundaries in our own work.
Learn more about this unique build at dcr018.com.
The DRR022 Moto3 Spec Racer
Lastly, I want to shine a light on the DRR022 Moto3 spec racer. Even though I didn't get to throw a leg over this one, it's too impressive not to talk about.
This machine is a Moto3-spec racer built entirely in-house by the team at DNA. They've engineered and machined the frame and swingarm from scratch. What's really special is the front suspension—a girder fork style setup that's a rare sight these days. Instead of traditional telescopic forks, it's like having another swingarm up front, with a shock mounted on the left side and a progressive shock linkage the same as you’d find on the rear of the biek. This design offers unique handling characteristics and showcases the team's willingness to push beyond conventional boundaries.
The bike is powered by a Yamaha YZ450F engine, fitted with an Akrapovic exhaust. DNA and Akrapovic have a relationship that goes back decades, and it shows in the quality and performance of this build. The engine choice gives the bike a solid balance of power and agility, perfect for the demands of Moto3 racing.
One of the standout features is the bike's adaptability. The team engineered it to accommodate any Moto3 engine. They've designed interchangeable bracketry and mounting points so you can swap out the YZ450F engine for something like a KTM 250 with minimal hassle. This kind of versatility is a game-changer in the racing world, where quick adjustments can make all the difference on race day.
Every part of the DRR022, from the handmade carbon fiber bodywork to the custom intakes, is crafted in-house. They didn't just stop at machining the hard parts; they went all the way with the bodywork too. The attention to detail is staggering. The intakes are designed for optimal airflow, maximizing the performance gains you get from their own DNA air filters.
Standing next to this bike, I spent a lot of time just admiring the front-end engineering. The linkage system in the girder fork is something you could stare at for hours. It's not just functional; it's a piece of art. Seeing how the components interact gives you a real appreciation for the thought and effort that went into designing this setup.
What blows my mind is how the guys are leveraging the latest in modern technology to design their bikes digitally. They run thorough simulations and tests before any metal is cut then bring these designs to life through precise CNC machining. Even though I didn't get to ride it, just being around the DRR022 was a highlight of my visit. It's a reminder that in the world of motorcycles, there's always something new to learn and be inspired by.
For a closer look and more technical details, I recommend checking out drr022.com.
Reflecting on the Experience
Walking through DNA's facility and seeing these bikes up close was inspiring. They're doing something special here—combining modern technology with a deep love for motorcycles. While we at Purpose Built Moto focus on handcrafted builds, seeing their approach opened my eyes to new possibilities.
Their use of CAD, CAM, and CNC machining was just mind blowing, and doesn't take away from the soul of the bikes. If anything, it adds a new layer of precision and innovation. It's different from our methods, but the end goal is the same: creating machines that not only look amazing but perform exceptionally well.
Final Thoughts
This trip was a reminder of why I got into this industry in the first place—the shared passion for motorcycles that brings people together from all over the world.
I want to thank the team at DNA Filters for their hospitality and for pushing the boundaries of what's possible. If you ever get the chance to experience their work firsthand, I highly recommend it.
In the meantime, I hope this rundown gives you a taste of what these incredible machines are all about. Whether you're into high-tech builds like these or more traditional handcrafted bikes, there's always something new to discover in the world of motorcycling.
Stay tuned for more adventures and escapades from the team here at Purpose Built Moto.
05:29 UTC
Is there any Malaysian here?
I have a question about having a custom cafe racer on the road. Will it be an issue with JPJ since it’s custom, and about almost 90% of the design has changed from the original?
05:14 UTC
Anyone know what the name of this bike is?
Hey I am looking to buy a bike and I saw this post on instagram but couldn’t find the name of the bike, I am aware its modified so in reality im just looking for any bike that can be modified to look like that.
02:40 UTC
Cafe racer helmet with integrated bubble visor ideas
Hi all,
I'm looking into getting a open face cafe racer style green helmet. Id love something like the Steve Mcqueen riverside- for its fashionable dark green colour and retro look- however I want something with a built in external retractable bubble visor, as it rains a lot in my country (I live in the UK). I know its possible to get a clip on version, but It would be awkward to carry around when not equipped (unless there is a clip on retracteable version). I'm also not sure what to google search as I'm new to all this and not familiar with the terminology... Hoping someone more knowledgeable can suggest a recommendation.
Thanks for the help 🙏
(also should mention, using this for a fast, cafe racer style Ebike- if i were to be getting an actual 125 or similar i would for sure get a full face haha)
19:02 UTC
Amazon vs American Made Clip-on Handlebars
Is there any difference between amazon's (China's) clip-on handlebars and American made clip ons? or is the $30 vs $90 difference just paying for a domestic market product? i'm aware of the significantly reduced CNC costs internationally which is the majority of the cost anyway, hence why i'm asking if there's any structural/assembly quality loss between the two options. Thanks!
00:38 UTC
What to use to fill the void around the light?
Trying to get some ideas on how to fill the dead space around the tail light?
23:58 UTC
Advice from enthusiasts that have been around the block?
I used to ride motorcycles alot mostly small displacement commuters, I got a couple cars and owing to the climate here in ireland it's not the most practical daily transportation but every now and then I get that itch for a bike, my first bike was a ybr125, loved it never gave me any trouble and being a kido it was plenty fast for what I needed, jumped up to a xj900F when I got my unrestricted licence, and I just got too much bike too soon I traded it for a virago 250 which might sound silly but I actually loved that bike it was so simple, had it's problems like anything but it was so easy to work on and I just even ride it in cold, wet irish winters and it didn't mind but a bit older now and a bit wiser I find myself thinking if I could do it all again I'd love to have something a bit special, being familiar with the virago I thought a 535 would make a really nice platform, ultimately I'd like to get some opinions from more experienced builders but my general parameters are, easy maintenance, reliability, good mileage, easily manageable (im only a little guy and I live in the city) and enough power to have a bit of fun when I crack the throttle. I've gone down the rabbit hole, iv looked at replacing the existing wiring with my own using something like mo.unit maybe a single carb conversion and your standard cafe modifications, seeing as we have a short enough riding season if it's an achievable goal I'd love to ride it for the 4 or so months of fine weather and tinker with it in the off season, does anyone have any advice they'd wished they had when they started their builds or maybe anybody that's specifically built xv bikes? Any information would be greatly appreciated!
21:54 UTC
challenge: find a thick solo seat that isnt cheap ebay garbo (impossible)
Howdy folks, title says it all. I need to figure out a seat for my ironhead sportster.
Okay, the title is a little facetious, but I'm pretty frustrated after wading through hundreds and hundreds of google ads for $89 seats with half an inch of padding.
Ideally it would be a solo seat with a hump, but thick, visually substantial, and well cushioned, because I ride this bike a lot and I intend to keep doing that. Its uncomfortable enough in stock form, and my goal is to not make it worse.
Anybody know a good source for something like that? Oem or aftermarket? Or am I going to have to make it myself? Only reason Im avoiding that route is because I'm not sure I can turn out something nice enough to not detract from the rest of the bike.
Thanks!
16:21 UTC
2017 XSR700 scrambler build
It took me a while to get all the parts, but I've finally completely rebuilt my 2017 XSR700.
The story behind the bike: as a fan of low-tech mechanical things I enjoy bikes that don't mess with how you ride, so the XSR is a great option that combines modern reliability and comfort with just ABS as a technical feature besides the other ordinary modern things. I wanted to celebrate Japanese engineering 🍙 and quality 🇯🇵 so I made it red and black. I've visited Japan as a solo traveler and have one of my best memories out there in nature and in small villages.
What kinda bike is it / how does the bike ride? I wanted a gnarly scrambler that's 50% road 50% hard dirt / gravel / fire-roads, so it should go in the twisties without losing confidence, should have a lot of torque while not sacrificing too much top speed (I don't need to go faster than 160km/hr, more torque is fun, high top speed is meh), should have a good weight as I think it's more fun off-road albeit less capable, should sound like an orc grunting while skinning a hobbit from deep down in Mordor.
How the bike was when I bought it second hand at ~6800km:
(not the actual bike I bought, but you get the idea of how it looked! (super stock))
How the bike turned out (see below the images for the list of changes):
After these photos were taken I've also painted the end cans black (leaving the Akra logo as a cut out visible), and the bottom rock plate is also fully black now.
Can clearly see the Hordpower and the K-Tech shock both being red
Components:
- Pipes: Akraproviç Titanium Dual exhaust (full system), end pipes painted black except logo. Drilled hole into Db killers to still get a nasty rawrrr but not upset neighbors too much
- Tank: Custom tank (aluminium welded to original tank) and tank paint. I made the tank's drawing on my iPad in like 10 minutes trying to convey the message to the designer. Eventually when it was painted they just used my exact drawing haha. First I was mad, then they sad they really tried a lot but my drawing still came out on top. Now I can say that I also drew the actual design, so that's cool I guess.
- Air intake: Hordpower special mt07/xsr700 air intake, but with the plastic top cap painted red to match the rear shock (and red paint on the tank)
- Rear shock: K-tech razor r xsr700
- Front suspension: unchanged, and it's a bit too soft
- Brakes: unchanged
- Levers: changed to black Puig levers
- Handlebar: LSL black handlebar, forgot which one
- Mirrors: Motogadet's mo.view Spy Mirrors
- Grips: BikeMaster Grips, Quilted Black
- Front blinkers: M-Blaze Motorgadget (with adaptor for handlebar)
- Throttle: R6 Quick Throttle
- Small accessoires: XSR700 Helmet Hook (Brogue), Black metal brake fluid reservoir LSL,
- Rear lights / blinkers: Highsider's 3-in-1 light (brake + turn signals)
- Tires: Pirelli Scorpion STR Rally
- Chain: DID's black and gold sturdy 525 ZXW 108 links "BL525ZXW-108"
- Rear sprocket: conversion to 44 teeth; JT sprocket JTR1876.44ZBK
- Front sprocket: unchanged for now (was still in good condition)
- Front fender: Mugello's High Front Fender (matt black). Imported from Thailand
- Crash bars: SW-Mototech
- Radiator side-guard: Yamaha's OEM with the Japanese flag on the side
- Exhaust wrap: Heatshield black wrap
- Pegs: JVB "toothed" endure-style, painted black
- Kickstand extension: extra rugged kickstand by SW Mototech
- Gauge / Speedo: relocator kit (JVB) and Color Flip by ColorClusterz (old models had black on LCD grey)
- Bottom plate: SW Mototech, painted black
- ABS-switch: installed a switch to turn ABS on / off, for when I'm shredding the fire lanes / gravel as that's what I intend to do a lot with this bike
- Cat removal: yes.
- Paint job: lots of JVB's kit came back unpainted, so spent a lot on matt black paint, in addition to the obvious parts like the tank, and the cap of the Hordpower air intake.
- Lots of JVB's Super7 kit:
- License plate holder
- Rear light brackets + rear splash guard + rear fender (incl. red brake LED)
- Single seat conversion
- Horn relocator bracket
- Headlight (the most expensive LED one)
- Front fork covers
- Radiator front-guard
- LSL's handlebar strut (making the look more enduro-y)
- Probably some more misc things...
I bought the bike for ~6800 euros incl. the akra system (1 euro per 1 km on the speedo 😂), rode it for a while, then decided to already custom the bike entirely. Spent way more than the value I purchased the bike for. Like, way more. Do I care? No. Do I enjoy the bike? Hell yes. It gets so much attention by fellow riders, all trying to figure out what the hell it is that I'm riding and why it sounds so mean. Haha.
This bike is meant to hit the hard-gravel / fire roads quite often. I also have a 2020 KTM EXC-f 450 transitioned to supermoto, and a 1981 BMW R100 transitioned to modern city scrambler (haters gonna hate).
Good times.
12:15 UTC