2014 · Hyper Naked · Buyer's Guide
American V-Twin Raw Power
Erik Buell Racing built the 1190 SX as the street-facing version of its 1190RX: the same 1190 cc, 72-degree V-twin, the same aluminum chassis, wrapped around a riding position you can actually use on the road. The engine makes 185 hp at 10,600 rpm and 102 lb-ft at 8,200 rpm, and it carries all of that in a machine that weighs 414 lb wet. Traction control is standard, fork and shock are adjustable at both ends, and a slipper clutch handles the hard downshifts. There is no ABS. Everything fitted is there to do one job.
This is a bike for a rider who already knows what a big V-twin feels like and wants it without a filter over the top. The chassis is quick, the seat sits at 32.5 in, and the upright position means it survives a commute as well as a Saturday, which is more than the spec sheet suggests. The honest part is ownership. The front sprocket can wear fast or lose teeth, the voltage regulator can fail and take the battery with it, and the wiring and connectors are a known weak spot. Buy one for the engine and the chassis, not for a quiet life.
Spec sheets don't ride bikes, but they set the baseline.
| Power | 185 hp (138 kW) @ 10,600 rpm |
|---|---|
| Torque | 102 lb-ft (138 Nm) @ 8,200 rpm |
| Displacement | 1190 cc |
| Cooling | Liquid-cooled |
| Gearbox | 6-speed |
| Final drive | Chain |
| Fork | Upside-down (USD) |
| Front brake | 386 mm |
| Front tire | 120/70-17 |
| Rear tire | 190/55-17 |
| Wheelbase | 55.5 in (1409 mm) |
| Seat height | 32.5 in (826 mm) |
| Wet weight | 414 lb (188 kg) |
| Fuel capacity | 4.5 gal (17 L) |
Equipment check
Chassis
Drivetrain
Safety
Start it and the V-twin sounds mechanical rather than styled, a hard flat voice that gets better the more work you give it. You sit high and forward, weight over the front wheel, wrists carrying just enough load to keep you paying attention. The bar is wide, the tank narrow where your knees go, and the whole bike feels smaller under you than the 55.5 in wheelbase reads on paper. Vibration is always present and never punishing; it rises with revs and tells you exactly where the engine is. The gearbox is audible, a whine you can pick out over the engine at a steady 60 mph. With 4.5 gal of fuel aboard and 414 lb on the road, nothing about moving it around feels like effort. Two hours in, the wind is the first thing to ask you to stop.
What follows belongs to the riders, not to me. It has come together over years of owner conversations at rallies and after ride-outs, plus the mail that arrives from people putting real miles on the bike. Two subjects dominate on the SX: how the engine behaves once the novelty wears off, and what it takes to keep one running.
The thing riders return to is not the peak number. It is the order of the delivery. They describe a flat, controllable torque curve, an engine civil enough for everyday riding, and power that builds without steps or spikes. The praise settles on the midrange: owners say they lean on it and ride fast without ever ringing the engine's neck.
The recurring gripe has nothing to do with riding it. Owners describe a thin support picture: dealers, factory parts and mechanics who know these bikes are all hard to come by, so even routine maintenance often gets sorted with advice found online and aftermarket parts. Alongside that runs a list of electrical and mechanical faults. Not every bike suffers them, but enough owners report the same items for the pattern to read as inconsistent quality control.
Front sprocket premature wear / tooth breakage
The front sprocket can wear rapidly or lose teeth, especially if the chain is not kept perfectly adjusted. This can result in sudden loss of drive. Sprocket replacement is required, and the part is not inexpensive.
Clutch nut loosening
The clutch hub nut can work itself loose, potentially causing clutch slippage or damage. Requires inspection and re-torquing with threadlocker.
Voltage regulator and battery failure
Reports of the voltage regulator failing, which then sends over-voltage to the battery, cooking it and stranding the motorcycle. May require replacement of both components.
Wiring harness and connector problems
Poorly secured connectors and fragile wiring can cause intermittent electrical faults, including stalling and starting issues. Some owners have found broken wires and loose pins in the dashboard connector.
Gearbox noise / loud mechanical sound
Some owners note an unusually loud gearbox whine or clatter, though it does not necessarily imply imminent failure. The cause is not clearly identified in community reports.
Dashboard / gauge module failure
The pins holding the instrument cluster together can fall out, causing the dash to separate. This may lead to electrical issues and poor visibility of instruments.
Chain guard detachment
The chain guard can fall off, likely due to inadequate mounting hardware. This is a minor nuisance but can become a safety issue if the guard strikes the wheel.
Where this Erik Buell Racing 1190 SX 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
Seat height
Forget spec-sheet bragging. Here's who the 1190 SX is actually built for.
Angeles Crest is the exact road this bike was drawn for: light, sharp, and loud where it counts. Go in knowing there is no ABS to rescue a hard grab on a dusty corner.
Made for Angeles Crest Highway · Coronado Trail / US 191 · Highway 1 / Big Sur
Lean clearance, adjustable suspension at both ends and a slipper clutch for the braking zones make it a real track day tool. With no ABS and no quickshifter, your inputs have to be clean.
Made for Barber Motorsports Park · WeatherTech Raceway Laguna Seca · Circuit of the Americas
Repeatable, technical corner work is where the chassis and the feedback pay off, and the compact wheelbase suits the Dragon. Budget your patience for the electrical side of ownership.
Made for Back of the Dragon · Blue Ridge Parkway · Cherohala Skyway
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 Erik Buell Racing 1190 SX. “cheaper/pricier” is what that bike costs second-hand, not how worn it is.
