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2017–2021 · Retro Classic · Buyer's Guide
Real Metal, Honest Soul
The CB1100 RS is Honda's café racer reading of its big air-cooled retro. Under the tank sits a 1140cc inline-four making 90 hp and 67 lb-ft, fed by injection and breathing through fins instead of a radiator, so the hardware that makes it run stays visible and honest. Honda wrapped that in a steel double cradle, 17-inch wheels and a 310 mm radial front brake, giving the RS a sportier stance than the rest of the family. It earns its place by being a real thing, built from real metal, not a modern bike dressed up to look old.
On the road it leans on smoothness and trust rather than outright pace. The four pulls cleanly from low in the rev range, the build quality holds up, and the whole package feels like it will start every morning for years. This is a bike for a rider who wants genuine heritage with technology that simply works in the background. The honest caveat is that the styling writes a check the chassis doesn't fully cash. The RS looks ready to attack a road it would rather cruise, so buy it for the character and the daily ease, not for chasing sport-bike lines.
Spec sheets don't ride bikes, but they set the baseline.
| Power | 90 hp (66 kW) @ 7,500 rpm |
|---|---|
| Torque | 67 lb-ft (91 Nm) |
| Displacement | 1140 cc |
| Engine | Inline-four |
| Bore × stroke | 74 × 66 mm |
| Compression | 9.5:1 |
| Cooling | Air-cooled |
| Fuel system | Fuel injection |
| Gearbox | 6-speed |
| Final drive | Chain |
| Frame | Steel double cradle |
| Fork | Telescopic |
| Front brake | 310 mm |
| Rear brake | 256 mm |
| Front tire | 120/70-17 |
| Rear tire | 180/55-17 |
| Wheelbase | 58.5 in (1485 mm) |
| Seat height | 31.3 in (795 mm) |
| Wet weight | 556 lb (252 kg) |
| Fuel capacity | 4.4 gal (16.8 L) |
| Top speed | 130 mph (209 km/h) |
| Fuel economy | 44 mpg (US) |
Equipment check
Chassis
Drivetrain
Lighting
Safety
Throw a leg over and the first thing that lands is how solid everything feels under your hands. The switchgear, the tank, the chrome that is actually chrome, all of it reads as genuine the moment you touch it. Fire the four and you get that off-beat thrum at idle, and once the fins warm you catch a faint metallic ping off the air-cooled head that no liquid-cooled bike makes. At 556 lb the RS carries real weight, but the 31.3-inch seat and roomy stance settle it once you are rolling. Vibration stays in the pleasant range, present enough to remind you a big motor is working yet never numbing your palms on a long stretch. At real road pace it feels planted and unhurried, happiest holding a steady line across open country rather than being flung at it.
My own 0–100 score for this bike against the class, area by area — the marker on each bar is the class average.
Reliability on a bike like this starts with how it's built, and the RS gives me confidence the moment I look closely. Nothing is faking it. What presents as solid material genuinely is solid material, and the assembly is tight and considered everywhere I checked. That kind of honest construction is usually a good sign for how a machine ages. Put together this carefully, it reads like something that will hold its integrity over the long haul.
Here's where I keep wrestling with the RS. The styling tells you it wants to be ridden hard, so your instinct is to lean on it. Do that and the first input feels heavy, slow to tip into the corner, and once you're committed to the line the front loses some of its clarity. The factory rubber doesn't help. Honda fitted cautious tires, and I could feel the chassis asking for more grip than they were ever going to give.
What I love about this motor is its manners. There's always something alive under my wrist, never a flat dead spot, never a moment where it feels like it's just idling along uninterested. At the same time it never bullies me. The power lands exactly where I ask for it, with zero surprises in the delivery. I twist, it answers, clean and predictable every single time. For real-world riding, that consistency is worth more than any peak figure.
This is where the RS earns its keep for me. Whether it's parked and I'm just looking at it, or I'm out on the road clocking miles, there's never any doubt I'm sitting on something authentic. It carries genuine history in its bones, and that presence doesn't fade as the day wears on. Plenty of retro bikes lose the illusion the moment you're moving. This one keeps the feeling intact from morning to evening, and that's rare.
Practicality shows up somewhere most riders won't think to look: the tire shop. Because Honda went with a sportier wheel size, the range of modern rubber that actually fits is huge. That matters more than it sounds. If I want to wake up the chassis I can mount something grippy, and when summer touring is on the menu I can run a hard-wearing compound that goes the distance. A lot of retro bikes box you in on tires. This one leaves the options wide open.
Where this Honda CB1100 RS pulls ahead of — or falls behind — its rivals on the numbers, and the typical bike in its class on character.
Power
Torque
Displacement
Wet weight
Top speed
Seat height
Forget spec-sheet bragging. Here's who the CB1100 RS is actually built for.
This is your bike. Classic looks, a calm rhythm, and a smooth air-cooled pull suit small towns and historic routes perfectly. You ride for the character, and the RS hands you genuine heritage without asking you to fight it.
Made for Acadia National Park · Austin / Handbuilt Motorcycle Show · Blue Ridge Parkway
You get the sound, the presence, and a bike with real history to roll into a rally on. Just know this is an upright café four, not a long-haul cruiser, so the riding position and seating are sportier than what you may be used to.
Made for A1A — Florida Atlantic Coast · Black Hills / Sturgis Rally Hub · Daytona Main Street / Bike Week
It looks ready for the twisties, and the steady high-speed feel is there, but the handling is softer than the styling promises. Buy it for the character and comfort on your weekend loops, not for chasing apexes hard.
Made for Austin / Texas Hill Country · Twisted Sisters · Austin / Handbuilt Motorcycle Show
If you're cross-shopping the older generation, here's what changed.
Previous generation · 2013–2016
Old Soul, New Bones
Compare to the previous model →If this one isn't quite the fit, these are the bikes worth riding back-to-back against it.
Any price note compares both bikes at the same age — the youngest age both have on the used market — against this Honda CB1100 RS. “cheaper/pricier” is what that bike costs second-hand, not how worn it is.
