2024 Beta Evo 250 2-Stroke

The Beta 250 RR is a high-performance enduro motorcycle designed for riders who want strong low-end torque, manageable power delivery, and lightweight handling. It’s part of Beta’s legendary RR 2-Stroke lineup, which is known for enduro racing, trail riding, and technical terrain.

Engine & Transmission

• Type: Single-cylinder, 2-stroke, liquid-cooled with Beta Progressive Valve (BPV)
• Displacement: 249 cc
• Bore × Stroke: 66.4 mm × 72 mm
• Compression Ratio: 13.2:1
• Carburetor: Keihin PWK 36 mm
• Ignition: AC-CDI Kokusan
• Lubrication: Electronic oil injection (separate oil tank, ~650 cc capacity)
• Starter: Electric start (kick optional with kit)
• Transmission: 6-speed
• Final Drive: O-ring chain

Frame & Suspension

• Frame: Molybdenum steel double cradle, quick-access air filter
• Front Suspension: 48 mm Sachs open-cartridge fork, fully adjustable
• Rear Suspension: Sachs shock, linkage system, adjustable rebound + hi/lo-speed compression
• Front Wheel Travel: ~11.6 in (295 mm)
• Rear Wheel Travel: ~11.4 in (290 mm)

Brakes & Wheels

• Front Brake: 260 mm disc
• Rear Brake: 240 mm disc
• Front Wheel: 21 in
• Rear Wheel: 18 in
• Tires: Enduro competition spec

Dimensions & Weight

• Dry Weight: ~228 lbs (103.5 kg, no fuel)
• Fuel Tank Capacity: ~2.5 US gallons (9.5 liters)
• Seat Height: ~36.6 in (930 mm)
• Ground Clearance: ~12.6 in (320 mm)
• Wheelbase: ~58.3 in (1480 mm)
• Footrest Height: ~16 in (405 mm)

Key Features

• Oil injection eliminates pre-mixing
• Counter-balancer for reduced vibration
• Lightweight frame with improved rigidity
• Sachs suspension tuned for enduro
• Quick-access filter box (no tools needed)
• Race-inspired ergonomics for aggressive riding