NEW OFF-ROAD HARDWARE
2015 RR FOUR-STROKE
Beta’s main objectives were to make the bike lighter
and easier to control and to improve overall handling.
The engine’s center cases and internal components have
been lightened and redesigned to reduce the rotating
mass. Also, the engine sizes have been reduced to make
handling easier and minimize weight. Compared with the
larger capacity of the previous model, the absolute power
and torque figures remain unchanged, thanks to a new
camshaft profile and a new exhaust system.
ELECTRONIC INJECTION SYSTEM
The main innovation in the 2015 RR Enduro four-stroke
line is the introduction of an electronic fuel-injection
system on the 350 RR. The system was developed with
Synerject and uses a 42mm-diameter throttle body.
Electronic fuel injection ensures precise throttle control
and offers automatic changes to the air-fuel mixture for
different altitudes and temperatures. The engine offers
immediate and smooth response, and, thanks to the
stepper motor mounted on the throttle body engine,
braking has been reduced.
The Beta brand has been on a steep evolutionary path. In just a few short years Beta has honed its
manufacturing ability and shoehorned incredible off-road
panache into both its two-strokes and thumpers. This
year, the two-stroke line has received small updates,
while the four-stroke line gets the big emphasis.
The 430 RR (formerly the 450) is 2. 2 pounds
lighter at the engine and is still carbureted
via a Keihin unit.