THE NEW ENGINE
The Beta engineering team has picked four engine sizes,
all with different power characteristics. The 350’s size
remains the same, while the 400 has been reduced to a
390cc. The 450 and 498 engines have also been reduced
to 430cc and 480cc to provide the same horsepower and
torque as the 2014 models but with more “useable” power
for the rider. Beta lowered the weight of the 430 and 480
engines by 2. 2 pounds and lowered the weight on the 350
and 390 engines by 3. 3 pounds.
The all-new main cases are lighter, thanks to new die-castings, and they are modified internally to house a new
oil-pump drive system. The crankcase chamber has been
redesigned to minimize pumping losses, and the entire
shape has been reworked, thanks to the introduction of
ribs that stiffen the engine cases while offering a more
Both the clutch and flywheel covers have been modified
Beta introduces a new 390,
a 430 and a 480 to their line.
RS models come with Trail Tech Voyager GPS.
350 RR EFI