Description
New Unibody Design!
The SC3 SmartCarb replaces the stock carburetor on your 85cc to 112cc bikes.
The SmartCarb SC3 is precision air/fuel metering instrument that provides extremely fine fuel atomization, precise mixture control, and automatic air density compensation in a single circuit, externally adjustable, jet-less fuel system.
SC3 Upgrades:
Ludicrously Simple Design | CNC billet machined unibody construction
O-ring Float Bowl Gasket | Improved sealing and sleeker look
“Tucked” Fuel Fitting | Improved fuel line routing
Crisper Clicker Haptics | Improved clicker adjustment feel
Improved Fuel Rate| 2X dump passages for quicker float bowl fueling response
Reduced Part Count | Cost savings passed to our customers (-$100)
SmartCarbs are proudly designed and manufactured in the USA!
 
Performance Guarantees
Less Is More
The SC3’s patented float bowl venting and single circuit, metering-rod-only fueling work together to provide superior performance and efficiency at every throttle position when compared to competing fuel systems. No jets, no secondary circuits, and no compromises.
8-10% More HP & Torque | Compared to fully tuned jet/needle carburetors size-for-size
25-30% Greater Fuel Economy | Forget the oversized tank or pair one up for ultimate range
30-50% Less Emissions Outputs | 3X EPA certified for on-road emissions
Incredibly Crisp, Clean Throttle Response | Increased torque/tractability & substantial peak RPM overrev
Ships Pre-Tuned | Every SC3 SmartCarb ships pre-adjusted specifically for your KTM 65 SX
 
Ultimate Simplicity
Everything You Need, Nothing You Don’t
While competing fuel systems continue down the path of ever-greater complexity by adding power-jets, additional circuits, and adjustment knobs, the SmartCarb SC3 takes a different approach. Our patented, single circuit design makes the SC3 the easiest carburetor on the planet to tune and maintain.
Tool-Free Tuning in Seconds | SC3 offers the finest adjustment resolution of any carburetor, right at your fingertips
Set and Forget | Automatic air density compensation for elevation, temperature, and even blow-thru boost
No Jets or Jetting | Trash the brass and leave jetting behind
Stop Getting Hosed | Super clean form-factor with integrated float bowl venting – NO dangly hoses
Less is More | Smallest part count of any carburetor on the market
Mean AND Green | Zero fuel spillage, even when tipped over
 
Fitment Information
No modifications are required for fitment. This SmartCarb accepts the stock throttle cable.
The intake flange (between the carburetor and the reed block) is a tight fit. Applying some heat to the boot may ease installation.
View the Quick Start Guide (included with your purchase).