Description

KTM 450 SMR 2023

NOT FOR THE STREET

• Not ADR approved; cannot be registered
• Only for competition riding off public roads

CHANGES IN 2023

• Benefits from long list of 2023 MX updates, to which this is based upon
• New reinforced aluminium-polyamide subframe
• New hydro-formed frame design
• New map selection switch
• New quickshift and traction control
• New engine design
• Engine now tilted 2° backwards with repositioned front sprocket (3mm lower)
• Improved serviceability of engine (added service markers)
• New engine covers, more reliable coating
• New air filter shape (not symmetrical)
• New position for Air Temperature Sensor integrated into right subframe panel
• New exhaust adapted routing, adapted resonance chamber
• Engine overall weight reduction (26.8kg)
• Added service plug for easier maintanance
• Longitudinal size reduction
• Intake port optimization (higher flow values)
• Valve lift and opening time increased
• New lightweight valve cover → only 2 mounting screws
• Only one oil jet for lubrication
• New fine punched cam chain adding durability
• Lock and TDC marking on camshaft
• Compression ratio increased from 12.8:1 (MY22) to 13.1:1
• Ratio achieved via piston crown (design inspired by the Pankl rally piston)
• Anodized compression ring groove
• Complete new crankcase
• New arrangement and position of the crankshaft and transmission shafts
• Crankshaft position is 12mm closer to the center of gravity
• Swing arm axle 3mm closer to the output shaft
• TDC and Lock markings
• Redesigned shift shaft → reduced operating force
• Smaller axial distance
• Redesigned clutch basket
• Improved clutch cooling through better pressure lubrication
• DDS clutch → lightweight with consistent modulation and exceptional durability
• Oil pump geometry changed to milling operation
• Oil pressure increased (especially at low rpms)
• New frame design whilst keeping the frame geometry (rider triangle)
• New shock mounting position results in decoupling shock mount from the main chest tube and by this less interference with the steering head is created
• More torsional- and side stiffness
• Mounting point for foot pegs 8mm more narrow
• More “ANTI-SQUAT”
• Reinforced in critical areas
• New engine mounts on frame
• Improved sealing on steering head
• New footpegs - 8mm longer, 5mm wider, better contact to bike and more comfort, new angle (more movement while scrubbing or cornering through deep ruts)
• New “hybrid” subframe design
• Mix of aluminum and composite materials
• Connection parts Aluminum – top part composite
• Best combination of all advantages
• More “side impact” stability
• Easier integration of electrical components
• Exhaust mounts integrated
• Brand specific design element
• New designed swingarm
• Same length as current generation
• Improved stiffness
• 22mm rear axle
• New chain sliders and integrated chain guides 190g lighter
• New internal hydro stop extended from 20 to 40mm
• New rear shock settings
• New fork protectors
• All new rear shock
• New piston
• 15mm shorter, but more stroke
• Length: 456 mm, Stroke: 140 mm
• Fully adjustable by hand adjusters
• New preload adjuster, easier adjustment
• Preload adjuster can be changed without splitting the shock
• New spring holder made of plastic
• New suspension linkage including points
• New pull rod and triangle lever
• Identical linkage curve as predecessor
• All new triple clamp
• Possibility to mount the handlebar fixed or rubber-damped
• New hour meter with integrated FI lamp
• New handlebar switches
• New START – STOP switch
• New MAP switch
• Change between mappings 1 & 2
• Quick shifter On / OFF switch
• Activation for launch control
• New electric compartment
• Better integration of parts in compartment
• New battery position
• New fuse box
• New rollover sensor (no pendulum)
• New wiring harness
• Ground cable connected to main frame
• New seat and seat shape
• New seat height and shape (now flatter)
• New seat cover with texture
• Seat now one screw mounting
• New handles under seat for bike off stand ease and grabbing during off-bike freestyle
• New fuel tank and new fuel pump
• New “one piece” fuel pump
• New bodywork and plastics developed and tested together with our world championship riders & teams
• New symmetrical bodywork design
• New plastic parts
• New unified radiators
• New high pressure radiator cap
• New downtube (with thermostat option)
• New coolant hoses
• New rear caliper with 22mm piston
• New rear brake lever and mounting
• New 90's inspired graphics, with purple as a nod to the original KTM graphic design

TECHNOLOGY

• Quickshifter (up only) available from 2nd to 5th with throttle open only
• Quickshifter programmable by owner
• Keihin EMS with gear position sensor
• Hourmeter with EFI status LED and fuel level indicator
• Handlebar map switch - 2 engine maps
• Map switch also controls quickshifter and traction control functions
• Traction control
• Launch control
• Li-Ion 2Ah battery
• Electric starter

DRIVETRAIN

• 1 cylinder 4 stroke fuel injected motor
• Valve cover only mounted with two screws
• Split injection
• Compression Ratio 13.1:1
• 63hp output
• Bore x stroke 95mm x 63.4mm
• 40mm inlet valve diameter
• 33mm exhaust valve diameter
• Perfect balance of rotating masses with counter balance shaft
• SUTER slipper clutch with BREMBO hydraulics
• 5 speed transmission by PANKL
• Integrated fuel pump in tank
• Liquid cooling
• 95RON fuel type (no lower or higher)
• BREMBO brakes
• CNC milled triple clamp from high-grade aluminium
• WP XACT forks with AER air sprung techonology
• Air spring on the left, oil champer on the right
• Air fork pump included as standard
• WP XACT rear shock, adjustable
• APLINA spoked wheels with Metzeler Racetec SM K1 Supermoto tyres
• 125/75 R 420 front tyre size
• 165/55 R17 rear tyre size
• 310mm front disc with radially mounted caliper and radial master cylinder
• 220mm rear disc

BODY

• ODI grips
• NEKEN handlebars
• FEA designed footpegs
• 2 piece polyamide (60%) reinforced aluminium (40%) subframe
• Hollow die-cast aluminium swingarm
• Central double-cradle-type 25CrMo4 steel frame

MEASUREMENTS

• Fuel tank 7.2 litres
• 281mm ground clearance
• 63.9° steering angle
• 285mm front suspension travel
• 266mm rear suspension travel
• 898mm seat height
• 107.4kg weight without fuel
• 15 operating hour service intervals