SmartCarb For Yamaha YZ490

Name: SmartCarb For Yamaha YZ490
SKU: SC2-40-YAM490
Availability: InStock

$789.00 – $889.00

Teach your Air Hammer a new trick!

This 40mm SC2 model SmartCarb replaces the stock carburetor in Yamaha YZ490 dirt bikes, offering crisp, snappy performance and greater fueling consistency.

Every SmartCarb ships pre-adjusted specifically for the bike for which it is ordered. Please provide information in the forms below about any engine/exhaust modifications, how you ride (riding style), and what fuel selection and oil premix ratio you use.

Questions about compatibility, sizing, or fitment? Contact Us!

Products shipping internationally may be subject to import duties/taxes.

Color Options

Clear

Confirm Year *

Engine/Exhaust Modifications *

Riding style(s) *

Fuel Selection/Oil Ratio (if applicable) *

SKU: SC2-40-YAM490 Categories: Offroad 2-Stroke, Yamaha

Description

The SC2 SmartCarb is a precision metering instrument that provides extremely fine fuel atomization, precise mixture control, and air density compensation in a single circuit, jet-less fuel system.

CNC billet aluminum construction
Patented single fuel circuit design
Extremely fine fuel atomization
Optimal air/fuel ratio control
Designed & manufactured in the USA

Performance Guarantees

The SC2’s patented variable venturi shape focuses airflow directly at the metering rod, maximizing fuel atomization and combustion efficiency at all throttle positions.

8-10% increase in horsepower & torque
25-30% greater average fuel economy
30-50% reduction in emissions outputs (2X EPA certified)
Crisp, clean throttle response & substantial top end overrev
No compromises

Remarkable Simplicity

The SC2 SmartCarb is externally adjustable track or trail-side in seconds. Patented, internal float bowl venting provides unmatched air density compensation.

Tool-free, external adjustability – in seconds!
Automatic air density compensation (elevation, temperature, even boost)
NO jets & NO more jetting
Integrated venting system – no dangling vent lines
Zero fuel spillage

Fitment Information

This SmartCarb accepts the stock throttle cable. SmartCarbs ordered for 1984-1990 model YZ490s ship with a 40° angled throttle cable guide included.

Kit Contents Include:

40mm SC2 SmartCarb
6mm Torque Reed Spacer (gaskets and stainless steel bolts included) for 1982/1983 model YZ490s
17mm Aluminum Extension Ring Adapter (press-fit installed) for 1984-1990 model YZ490s

View the Quick Start Guide (included with your purchase).

SmartCarb For Yamaha YZ490

Teach your Air Hammer a new trick!

Description

Performance Guarantees

Remarkable Simplicity

Fitment Information

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SmartCarb For Yamaha YZ490

Teach your Air Hammer a new trick!

Description

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