Receiving multiple technical upgrades for 2023, the TX 300 comfortably retains its place as the leading offroad 300cc 2-stroke on the market today. Housed inside an all-new frame that offers improved handling, a new, compact engine features an electronic exhaust control for enhanced power delivery in every gear. With the internal components positioned to further centralise rotating mass, the engine continues to play a vital role in the outstanding agility that the TX 300 is known for. Expertly assembled with premium and essential offroad components as standard, the versatile machine benefits from exceptional build quality for guaranteed performance and reliability. Movement on the motorcycle is made easier for 2023 thanks to the all-new bodywork, which is finished with a Swedish- inspired colour scheme for a truly distinctive look.
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The TX 300 engine is at the pinnacle of 2-stroke performance and weighs just 23.9 kg. Expertly assembled with the latest technical innovations, the TX 300 features electronic fuel injection (EFI) and an electronic exhaust control for lower running costs and improved reliability. Configured with no separate oil tank, pre-mixed fuel is required, which is identical to the motocross models. A proven e-start adds to the simplicity of this popular model and guarantees fast starting in all conditions. |
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The cylinder features a 72 mm bore and an electronic exhaust control system. This highly innovative technology manages the opening of the lateral exhaust ports before the main exhaust ports open to deliver strong, controllable power. The upper contour of the exhaust port features a machined finish for improved port timing and unrivalled performance. |
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Designed with weight reduction and performance in mind, the crankshaft in the TX 300 engine improves throttle response and contributes to the lightweight feel of the motorcycle. The perfect balance of rotating masses is achieved by balancing the weights of the crankshaft flywheel and the rotor, and thanks to the innovative counter balancer shaft, engine vibration is kept to an absolute minimum. |
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The TX 300 features an innovative laterally mounted counter balancer shaft. This shaft significantly reduces engine vibration, resulting in a smoother and more comfortable ride. |
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High-pressure die cast production processes allow for the crankcases to be manufactured with a thinner wall thickness to keep the overall weight to a minimum and optimise mass centralisation. Further aiding handling, symmetrical engine mounts improve the flex characteristics of the chassis while internally, the engine components are perfectly positioned to achieve an ideal centre of gravity. |
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The 6-speed gearbox is manufactured exclusively by Pankl Racing Systems and ensures the highest level of durability and reliability. For 2023, a redesigned shift drum and shift fork improve overall leverage, which ensures significantly smoother and more precise shifting. A revised gear lever tip design prevents dirt build-up. |
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The TX 300 features a dampened diaphragm steel (DDS) clutch, which includes a single-diaphragm steel pressure plate instead of traditional coil springs. It integrates a damping system for better traction and durability. The clutch basket is a single-piece CNC-machined steel component and allows the use of thin steel liners that contribute to the compact design of the engine. |
Chromium molybdenum frame
The proven chromium molybdenum steel frame is refined for 2023. A new shock mounting, which is no longer connected to the main tube, significantly improves the anti-squat behaviour of the chassis. With optimised wall thickness in high stress areas improving reliability, the frame continues to offer advanced geometries and flex characteristics aimed at providing unparalleled rider feedback, energy absorption, and exceptional straight-line stability. The frame is finished off in a premium metallic blue powder coating with redesigned standard frame protectors offering superior protection, durability, and grip in any condition. Additionally, the inclusion of forged brackets on the lower frame rails allows for easy installation of the skid plate, which is available as a technical accessory. |
Polyamide-reinforced aluminium subframe
Made from 60% polyamide and 40% aluminium, the new two-piece subframe for 2023 ensures exceptional strength and durability at an overall weight of just 3.9 lb. The lower subframe spars and frame mounts are manufactured from cast aluminium for significantly improved reliability. The upper section of the subframe is made from injection-moulded polyamide to enable specific flex characteristics and ensure a lightweight construction. |
Triple clamps
Working in unison with the frame design and suspension set-up, the CNC-machined triple clamps endure precisely calculated geometry for increased stability. Handlebar flex can be customised with the handlebar clamp, which offers two mounting options - rubber-damped for less vibration, or fixed for enhanced front-end feedback. The upper triple clamp is stiffer to ensure a smoother fork action and plays a vital role in the perfect alignment of the front wheel for superior handling.
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WP XACT front suspension
Rigorously tested by WP's research and development department, the new 48 mm WP XACT closed cartridge spring forks fitted to the TX 300 provide exceptional comfort. This is achieved by using a mid-valve piston designed to optimise oil flow and prevent foaming for consistent and predictable damping at all times. A hydrostop, active in the final 68 mm of travel, reduces the impact of harsh and high-speed landings for continued straight line stability and forward momentum. Both the compression and rebound settings can be quickly adjusted by hand using the easy access clickers.
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The WP XACT rear shock offers 300 mm of travel. Inside is a computational fluid dynamics (CFD) optimised main piston for initial comfort and provides strong hold-up in all conditions. Different sized holes in the shims allow them to open more easily, which reduces the overall stress of the oil flow. Complete with low friction SKF seals and a revised linkage system, consistent damping, comfort, and traction are guaranteed with rebound and both high and low speed compression adjustable by hand. |
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The hollow die-cast aluminium swingarm is manufactured from a single piece of aluminium using an improved die-cast production process for optimal stiffness and a 190 g weight reduction over previous generations. In order to optimise and match the flex characteristics from the frame, a 22 mm rear axle is fitted. Additionally, the chain guard and chain slider have been designed for improved durability and are less prone to catching on external objects. |
Functional bodywork
Clean, Swedish-inspired design and ergonomics are tailored to allow riders to perform at their best for extended periods of time. Adapted after countless hours of testing, the contact points and surfaces in the rider triangle have been repositioned for 2023 to improve comfort on the motorcycle. A new, flatter seat offers unrestricted movement with a high grip cover ensuring riders stay firmly in place under hard acceleration. |
Airbox
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. |
Hydraulic clutch
The high-performance Brembo hydraulic clutch system guarantees even wear, near maintenance-free operation and perfect modulation in every condition. Meaning that play is constantly compensated so that the pressure point, and function of the clutch remain identical in cold or hot conditions, as well as over time. Countless hours of race-focused testing have proven the high-quality, Italian-made Brembo hydraulic systems' exceptional reliability. |
Hydraulic brakes
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Developed between Husqvarna Motorcycles and leading handlebar manufacturer, ProTaper, the exclusive bend offers superior comfort, class-leading strength, and fatigue resistance at the lowest possible weight. |
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ODI lock-on grips feature an innovative integrated throttle mechanism and a glue-free installation. The throttle assembly offers easy free-play adjustment with the option to fit alternative cams for a personalised throttle action. |
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All-new, CFD-designed footrests offer a 26.8% larger contact area to ensure better control of the machine while being less susceptible to hooking on deep ruts, take-offs when scrubbing, or trackside barriers. This was achieved by a new, narrower mounting design in the frame layout, which also helps reduce overall weight. |
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CNC-machined hubs and high-strength alloy rims by D.I.D are finished in striking black. They feature laser engraved logos and are fitted with a Dunlop Geomax MX33 tyre on the front and a Dunlop Geomax AT81 tyre on the rear. This tyre combination ensures progressive cornering and superior traction across a variety of terrain. |
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Tailored specifically to the TX 300 engine using an innovative 3D design process, the header pipe ensures maximum power across the rev range. The muffler features an aluminium mounting bracket for strength at the lowest possible weight, with an advanced internal construction ensuring excellent noise damping without sacrificing performance. |
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Manufactured from high-strength aluminium, the radiators are designed using Computational Fluid Dynamics (CFD) to channel air in the most effective way. A large centre tube channels coolant through the frame to reduce pressure at this point in the system for a more consistent flow while a new internal thermostat further enhances reliability. |
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The 8.5 litre fuel tank integrates neatly with the ergonomic bodywork. Due to the fuel pump design and position, the tank is emptied further for increased running times. For improved safety, the external fuel line is specifically routed to make it less exposed and susceptible to damage. |
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The electronic fuel injection on the TX 300 brings many benefits. The ECU from Vitesco constantly analyses the running condition of the engine and delivers the perfect air/fuel ratio at all times through the state-of-the-art 39 mm Keihin throttle body. The EFI allows a choice of two different engine maps, which can easily be activated via the handlebar-mounted switch for a personalised riding experience. Additionally, the sealing around the reed valve intake tract prevents excess fuel build up in the engine on extreme up or downhill sections for clean running at all times. |
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To ensure fast starting in all conditions, the TX 300 features a highly convenient electric start. The reliable system removes the need for a kickstart completely. With the 12.8V 2 Ah Lithium-Ion battery located under the seat and close to the centre of gravity, the handling is uncompromised. The engine is easily started and stopped via the same handlebar-mounted switch for improved ease of use. |
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Adding Electronic Fuel Injection (EFI) to the TC 250 allows for the introduction of two engine maps that cater for riders of all abilities. Map 1 is the standard option, that delivers linear, predictable power, while map 2 is aggressive with improved throttle response and a sharper, explosive power output. By simply pressing a button on the handlebar-mounted map switch, riders can toggle between the two options and select their chosen map. |
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The new Engine Management System (EMS) is designed to be smaller and lighter while being faster at processing data. It incorporates a new rollover sensor (ROS) which cuts the ignition and shuts off the engine for safety in the event of a severe crash, adding another level of security to the Husqvarna Motorcycles' new generation motocross line-up. |
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A new hour meter comes with an integrated fuel level indicator, which is visible on the FI status LED, indicating to the rider when the fuel level is becoming low. |
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The new combined start/stop switch is located on the right side of the handlebar for easy, thumb-operated use. Not only simplifying the starting and stopping of the engine, the removal of a designated stop only button from the handlebar reduces the risk of potential damage or activation in the event of a fall. |
The highest level of quality is guaranteed with class-leading Brembo callipers made from single pieces of aluminium for strength at the lowest possible weight. Together with a 260 mm front and a 220 mm rear disc which offer improved dirt removal, superior stopping power and braking confidence is guaranteed in all conditions.
