Please ensure Javascript is enabled for purposes of website accessibility
Directions(608) 788-4514

We Are The Difference

2025 Beta EVO 300 SS 2-Stroke

Starting at $8,699

EVO 300 SS 2-Stroke

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.

ENGINE TYPE
Single cylinder, 2-stroke, liquid-cooled with reed valve
BORE 79mm
STROKE 60.5mm
DISPLACEMENT 296.5cc
COMPRESSION RATIO 9.6.1
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.
Click to call sales

While great effort is made to ensure the accuracy of the information on this site, errors can occur. Please verify all pricing information with a customer service representative. This is easily done by calling us or visiting us at the dealership.

We improve our products and advertising by using Microsoft Clarity to see how you use our website. By using our site, you agree that we and Microsoft can collect and use this data. Our privacy statement has more details.