Overview
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2025 Beta EVO300 SS

Motorcycle

EVO 300 SS

Evo 250 & 300 SS:  Both models are perfect for the Clubman rider, this is a class where most current motocross and off road racers will compete in at the local level. The Evo 250 and the 300 SS (Which stands for Super Smooth) have similar power delivery characteristics with the SS model providing 20% more torque with less over-rev vs the 250.


 

Starting at $8,699 MSRP

Specs and Features

Specifications
ENGINE TYPE
Single cylinder, 2-stroke, liquid-cooled with reed valve
BORE
79mm
STROKE
60.5mm
DISPLACEMENT
296.5cc
COMPRESSION RATIO
9.6.19.6.1
IGNITION
12 Volt, 110 watt w/ dual-map switch (aggressive or soft settings)
SPARK PLUG
NGK GR7CI8
LUBRICATION
Pre-Mix (synthetic oil)
FUEL SYSTEM
Keihin PWK 28mm
CLUTCH
Wet multi-disc w/ cush-drive basket
TRANSMISSION
6 Speed
FINAL DRIVE
O-ring chain
FRAME
Aluminum beam, single wave Hydro-Formed w/ built in tank
WHEELBASE
51.4"
SEAT HEIGHT
26"
GROUND CLEARANCE
12.2"
FOOTREST HEIGHT
13.6"
DRY WEIGHT
146 lbs
FUEL TANK CAPACITY
.75 US Gallons
FRONT SUSPENSION
39mm Ollé w/ hard-coated tubes
REAR SUSPENSION
Adjustable single shock, aluminum bodied, with nitrogen, including linkage
FINAL GEARING
10T Front/42T Rear
FRONT WHEEL TRAVEL
6.5"
REAR WHEEL TRAVEL
7.1"
FRONT BRAKE
185mm rotor w/ 4-piston caliper
REAR BRAKE
160mm rotor w/ twin-piston caliper
FRONT/REAR RIM
21" (Front) 18" (Rear)
FRONT/REAR TIRE
Michelin Trial Light/Trial X-Light
SPECS
*Specifications subject to change without notice. Additional information on all models including manuals, accessories and parts books are available online at www.betausa.com under SUPPORT.
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