Fuel Economy
This graph shows a comparison in the performance of the DF250
engine with the two stroke direct fuel injection (D/I) model.
At idle, fuel consumption of the DF250 is over 60% less than
the DI model. Even when operation at maximum performance level,
the DF250 consumes less fuel than its two stroke counterpart. |
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Multi Point Electronic Fuel Injection
As
Suzuki was the first in the industry to incorporate multi point
electronic fuel injection in a four stroke outboard with the DF60
and DF70, it is only natural that the DF250 would incorporate the
same. Along with Suzuki's Multi Point Sequential Fuel Injection,
the DF250 incorporates an ECM (Engine Control Module) which constantly
monitors crucial data, in real time, from a series of sensors placed
in critical areas on the engine. This comprehensive network of sensors
includes the Manifold Absolute Pressure Sensor, Crankshaft Position
Sensor, Intake Air Temperature Sensor, Cylinder Wall Temperature
Sensor, Camshaft Position Sensor and Exhaust Jacket Temperature
Sensor. To process all of this data efficiently, the ECM relies
on a very powerful 32 bit computer which instantly calculates the
optimum amount of fuel to be injected at high pressure into each
of the cylinders by the Multi Point Sequential Fuel Injection system.
This system greatly reduces exhaust emissions allowing the DF250
to pass both EPA 2006 regulations and CARB 2008 regulations, the
strictest exhaust regulations to date, while providing lower fuel
consumption, smooth starts, crisp acceleration, smooth performance
and maximum efficiency.
CARB 3 Stars
The DF250 has received the CARB three star rating which identifies
engines that meet the California Air Resources Board's 2008 exhaust
emission standards. The strictest regulations to date, they represent
a 65% reduction in emissions from the EPA 2006 emission standards.

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Convenient Function
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