FC 350 2019
BALANCED PERFORMANCE

With the agility of a 250 and a 450-rivalling power-to-weight ratio, the FC 350 strikes a competitive balance between power and handling. This appeals to both professional and amateur riders alike, making for a more user-friendly riding experience in all conditions. It is this versatility, paired with intelligent traction and launch control, which makes the FC 350 one of the most multitalented motocrossers on the market.

Features and Benefits

Engine
The 350 cc DOHC engine weighs in at only 60 pounds with a maximum power output that rivals 450 cc machines. The engine is specifically designed with performance, weight and mass centralisation as key areas. As a result, all shaft arrangements have been positioned to allow oscillating masses to occupy the ideal center of gravity while all parts are engineered to offer the best performance while adding the least possible weight.
Cylinder head
The FC 350 features an updated cylinder head casting process, which accounts for a weight saving of 200 g. The internals feature polished camshafts and DLC coated finger followers, resulting in minimal friction and unsurpassed overall performance, allowing the engine to rev freely to 13,400 rpm.
Cylinder & piston
An 88 mm bore and 57.5 mm stroke cylinder features a compression ratio of 14:1 and a large diameter yet lightweight forged bridged-box-type piston. As a result, the low oscillating mass delivers exceptional power, high revs and a very wide power band.
Crankshaft
At the heart of the high-output, high-revving FC 350 engine is a crankshaft featuring a plain big end bearing featuring two force-fitted bearing shells, ensuring maximum reliability and durability, guaranteeing long service intervals of 100 hours.
Functional bodywork
The 2019 FC 350 features fresh, new bodywork showcasing the Swedish inspired colourway, refined ergonomics and a slimmed down design. A new seat profile reduces the total seat height by 10 mm is combined with a high-grip seat cover to deliver superior comfort and control in all conditions.
Lightweight frame
Engineered with carefully calculated parameters of longitudinal and torsional flex, the frame features improved rider feedback, energy absorption and straight-line stability. The frame is finished off in a premium blue powder coating and standard frame protectors guaranteeing superior protection and durability.
Carbon fibre subframe
The use of carbon fiber strips away weight, improving weight distribution and bringing weight closer to the center of gravity for precise handling. The composition of the material is 30% carbon fiber and the overall 3-piece construction is remarkably light but also very strong for an overall weight of 3.1 pounds. Additionally, a specific rigidity has been calculated in the component for optimal handling and rider ergonomics.
Swingarm
The hollow, cast-aluminium swingarm is designed to offer optimal stiffness and reliability at the lowest possible weight. For 2019, the chain adjustment slot has increased by 5 mm to aid in extending the total wheelbase length for improved straight-line stability on faster tracks and whoops.
Map switch
Optimized for easy operation, the map switch selects between two engine maps, operates launch control and activates a traction control feature. Traction control works by analyzing throttle input from the rider and the rate at which the RPM increases. If the RPM increases too quickly, the EMS will register a loss of grip and reduce the amount of power to the rear wheel ensuring maximum traction.
Engine management system
The KEIHIN EMS is designed to be smaller, lighter and faster at processing data. It integrates launch control for perfect starts, selectable engine maps via the switch on the handlebar as well as traction control.
44 mm throttle body
The FC 350 features a 44 mm KEIHIN throttle body ensuring the most efficient fuel flow into the combustion chamber while maintaining optimal throttle response. A new throttle cable routing also makes for easier maintenance.
Electric start and Li-Ion battery
Along with the benefit of easy starting, the standard electric starting system is combined with a new compact Li-Ion battery which is 2.2 pounds lighter than a conventional battery.
Cooling system
Made using high-strength aluminium, the cooling system on the FC 350 features computational fluid dynamics to channel air through the radiators more efficiently. The cooling system is also integrated into the frame allowing improved cooling by channelling coolant through the frame while eliminating the need for additional hoses.
Tool-less airbox design
Easy access to the TWIN AIR filter is possible without tools, for quicker cleaning and easier maintenance. Precision inlet ducts maximise airflow and offer increased levels of filter protection.
Self-cleaning footpegs
The FC 350 frame features an innovative, self-cleaning footpeg mount that helps prevent mud build-up, springing back to the original position for sure footing at all times.
Magura hydraulic clutch
Reliable, high quality and German-made, the MAGURA hydraulic clutch system is almost maintenance-free, and guarantees even wear and perfect feel in all riding conditions. This means that modulation and play on the lever are constantly compensated so that the pressure point and clutch function remain identical in cold or hot conditions.

Technical Specs

Engine

  • Design 1-cylinder, 4-stroke engine
  • Displacement 349.7 cm³
  • Bore 88 mm
  • Stroke 57.5 mm
  • Starter Electric starter
  • Transmission 5-speed
  • Clutch Wet, DDS multi-disc clutch, Magura hydraulics
  • EMS Keihin EMS

Chassis

  • Frame design 25CrMo4 steel central-tube frame
  • Front suspension WP-USD, AER 48, Ø 48 mm
  • Rear suspension WP shock absorber with linkage
  • Suspension travel (front) 310 mm
  • Suspension travel (rear) 300 mm
  • Front brake Disc brake
  • Rear brake Disc brake
  • Front brake disc diameter 260 mm
  • Rear brake disc diameter 220 mm
  • Chain 5/8 x 1/4"
  • Steering head angle 63.9 °
  • Ground clearance 370 mm
  • Seat height 950 mm
  • Tank capacity (approx.) 7 l
  • Weight without fuel 100 kg