14 August. Friday 2026
Beta RR Racing 4T 350 - 2026 Specifications and Reviews
The Beta RR Racing 4T 350 is a competitive enduro machine designed for experienced off-road riders seeking aggressive trail performance. Its 349cc liquid-cooled four-stroke engine features titanium valves, high 13.2:1 compression, and advanced Synerject fuel injection for responsive power delivery. Known for lightweight handling and technical terrain capability, it excels in competitive enduro racing and demanding trail riding.
General information | |
| Color Options | Red/blue/white |
| Category | Enduro / offroad |
| Model | Beta RR Racing 4T 350 |
| | |
Engine and Transmission Specifications | |
| Starting | Electric |
| Emission | 89.1 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel Consumption | 3.84 litres/100 km (26.0 km/l or 61.26 mpg) |
| Clutch | Wet multi-disc |
| Final Drive | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling System | Liquid |
| Ignition | Kokusan |
| Fuel Control | Double Overhead Cams/Twin Cam (DOHC) |
| Induction | Injection. Synerject dual electronic injection, 42mm |
| Valves Per Cylinder | 4 |
| Bore x Stroke | 88.0 x 57.4 mm (3.5 x 2.3 inches) |
| Compression Ratio | 13.2:1 |
| Engine Details | Titanium valves |
| Capacity: | 349.1 ccm (21.30 cubic inches) |
| | |
Physical measures and capacities | |
| Fuel Capacity | 9.00 litres (2.38 US gallons) |
| Wheelbase | 1490 mm (58.7 inches) |
| Ground Clearance | 320 mm (12.6 inches) |
| Overall Width | 815 mm (32.1 inches) |
| Overall Length | 2180 mm (85.8 inches) |
| Overall Height | 1270 mm (50.0 inches) |
| Seat Height | 940 mm (37.0 inches) If adjustable, lowest setting. |
| Dry Weight | 107.5 kg (237.0 pounds) |
Beta RR Racing 4T 350 dimensions and frame | |
| Rear Brakes | Single disc. 1-piston floating caliper |
| Brake Disc Diameter | 240 mm (9.4 inches) |
| Front Brakes | Single disc. 2-piston floating calipers |
| Rear Tyre | 140/80-18 |
| Front Tyre | 90/90-21 |
| Rear Wheel Travel | 290 mm (11.4 inches) |
| Rear Suspension | KYB monoshock with progressive compound lever |
| Front Wheel Travel | 295 mm (11.6 inches) |
| Front Suspension | KYB hydraulic USD fork with 48mm shaft |
| Frame | Molybdenum steel with double cradle split above the exhaust port |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Spark plugs | NGK LKAR 8A-9 |
| Coolant | 1.00 litres (0.26 US gallons) |
| Engine oil | SAE 10W/45 |
| Update specs | Report missing specs or required updates. |
| Comments | Traction control. |
| Oil capacity | 1.60 litres (1.69 US quarts) |
| Reserve fuel capacity | 2.30 litres (0.61 US gallons) |
| Lubrication system | 2 oil pumps |
| Engine type | Single cylinder, four-stroke |
| Model year | 2025 |
Performance Profile & Rider Fit
Best For
Track25%
City20%
Cornering70%
Daily Riding15%
Touring15%
Passenger5%
Rider Profile
| Best For | This is a competition-focused enduro machine best suited to riders with solid off-road skill who want a race-ready platform rather than a beginner-friendly trail bike. |
| Purpose | Built for serious enduro racing and technical off-road terrain, with a light chassis, long-travel suspension, and high ground clearance optimized for aggressive trail and competition riding. |
| Rider Fit | The very low dry weight and tall 940mm seat height demand an active riding style and reasonable rider height and fitness, favoring standing, weight-shifting control over relaxed seated cruising. |
| Character | A purpose-built, race-bred off-roader with a peppy high-compression four-stroke engine, premium KYB suspension, and traction control, delivering sharp, precise handling over rough terrain. |
| Not Ideal For | This is not a good fit for riders wanting a comfortable street commuter, a highway tourer, or a low, easy-to-manage bike for shorter or less experienced riders. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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