Product Description:

RFN Thunder 140 Pro 140cc Petrol Motorbike – Dominate the Dirt with Precision & Power

Experience raw off-road power with the RFN Thunder 140 Pro, a top-tier 140cc petrol motorbike built for serious fun and competition. Powered by a high-performance YX 140cc air-cooled, 4-stroke single-cylinder engine, this RFN pit bike is engineered to dominate trails, tracks, and private land with ease.

This robust and lightweight off-road motorbike offers riders an exceptional blend of torque, handling, and agility. Equipped with a manual 4-speed gearbox, a professional NIBBI carburettor, and adjustable upside-down front forks, the Thunder 140 Pro is the go-to choice for adrenaline-seeking riders looking to level up their performance.

As a trusted RFN dealer in Aberdeenshire, Scotland, we provide top-quality motorbikes, unbeatable service.

Key Specifications:

• Engine Type: Genuine YX - 140cc Air-cooled, 4-stroke, single-cylinder

• Gearbox: Manual 4-speed (N-1-2-3-4)

• Transmission: Heavy Duty Chain Drive (428 Chain 14T–41T)

• Compression Ratio: 9.8:1

• Max Power: 11.15 BHP @ 8000 RPM

• Max Torque: 10.2 N.m @ 7500 RPM

• Carburettor: Genuine NIBBI PE22

• Ignition: Kick Start with Key Ignition

• Top Speed: 75km/h

• Fuel Tank Capacity: 3.2L (Plastic)

Chassis & Suspension:

• Front Forks: Adjustable Upside Down Forks (USD)

• Rear Suspension: Rebound Adjustable Hydraulic Rear Shock

• Frame: High-Strength Steel

• Handlebars: Steel with Forged Alloy Bar Pad (φ28mm)

• Exhaust: Aluminium Alloy with Heat Shields

• Air Intake: Sealed Air Box with Reusable Panel Filter

Brakes & Wheels:

• Front Brakes: Hydraulic Dual Piston Caliper, 220mm Ventilated Wavy Disc, Foldable Brake Lever

• Rear Brakes: Hydraulic Single Piston Caliper, 190mm Ventilated Wavy Disc

• Front Wheel: 70/100-17, Black Steel Rim with 3.5mm Heavy Gauge Spokes

• Rear Wheel: 90/100-14, Black Steel Rim with 4mm Heavy Gauge Spokes

Dimensions & Build:

• Max Load: 75 kg

• Net Weight: 80 kg

• Gross Weight: 93 kg

• Seat Height: 840mm

• Ground Clearance: 325mm

• Wheelbase: 1220mm

• Built Size: 1840 × 770 × 1180 mm

Additional Pro Features:

• Grippy Racing Seat

• Stainless Steel Exhaust with Heat Shield

• Rear Shock Cover

• Heavy-Duty Motor Guard

• Sealed Air Intake System

• Competition-Level NIBBI Carburettor

Important Notes:

• This petrol pit bike is designed for private land or track use only

• Not suitable for public roads unless registered under the optional Competition Enduro Registration

• Safety gear must be worn during use

• Adult supervision required for young riders

Rev up your ride with the RFN Thunder 140 Pro – the ultimate 140cc petrol motorbike for off-road domination.⚡ Order now – limited time only!