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MODEL RANGE 2-STROKE
MODEL RANGE 4-STROKE
MY 1987: KTM 350 LC4
EV
OL
UT
IO
N
MY 2012: KTM 350 EXC-F
Frame
» Completely new frame design with PDS
» Higher torsional rigidity (triangle profiles 8 mm wider)
» Reduced longitudinal stiffness
» Isolated shock absorber forces
MY2011
MY2012
Suspension
» New WP PDS mono shock (7 mm longer)
» New preload adjuster
» New cast swing arm (300 g lighter)
» More central shock mount
» Reworked front fork
- new seals, bushings & setting
» Fully adjustable suspension
Bodywork
» New bodywork with perfect ergonomics
and excellent contact points
» New 9 liters transparent fuel tanks
for EU models
10 l for 2-strokes for US/AUS
13 l for all models available in PowerParts
» Integrated fuel pump and
regulator for 4-strokes
Airbox
New design, increased volume
» Excellent protection of Twin-Air filter
» No-tools air filter access
» Quick change of filter
» New intake boots for each model
» Performance increase
Wheels
New EXCEL AL7 rims, silver anodized with stripes
» Less damage
» Lighter appearance
New zinc-/nickel coated spokes
» Shiny coating
» Improved corrosion resistance
CNC machined hubs
» High-End quality
New high-strength aluminium nipples
» Weight reduction: 200 g / wheel
Silencers
New silencers for all 4-strokes
» New profile
» New end cap
» Larger volume
» Lower noise level
Cooling System
Integrated routing integrated in the frame
» Simple mounting of radiators
» No tubes behind the radiators = better airflow
New T-connector
» Improved fluid flow
» Better heat dissipation
450/500 EXC fitted with radiator fan
» Safer heat dissipation
4-Stroke Engines
250 EXC-F
350 EXC-F
450/500 EXC
Engine Management (EFI)
» All 4-strokes with latest Keihin EFI
» 42 mm throttle body
» Automatic temperature & altitude compensation
» Spontanious power delivery
» Reduced fuel consumption
» User setting tool (PowerParts)
» New map select switch (PowerParts)
250 EXC-F Engine
» New engine case left side
» New electric starter system
» Stronger alternator and new cover
» New cylinder head with optimised intake ports
» Electronic Fuel Injection
» Significantly improved power delivery
350 EXC-F Engine
Development targets
350 SX-F
» Low weight
» Compactness
» Performance
» Rideability
350 EXC-F
» Preserve advantages of 350 SX-F
» Best package of rideability and performance
for Enduro use
Cylinder & Piston
Reduced compression ratio 12,3 : 1
» New piston with reduced dome height
» Higher cylinder
Crank Shaft
New crank webs
» Increased inertia mass
Counter Balancer Shaft
Lateral, multi-functional balancer shaft
» Efficient reduction of vibrations
» No tungsten inserts
Clutch
Newly developed clutch unit
» Steel basket
» Steel material for friction disks intermediate
» Intermediate disk 1.4 mm
» Integrated damping in inner hub
» Diaphragm spring instead of coil springs
Cylinder head
» New camshafts for improved low end torque
» Valve springs with reduced spring force
» New spring retainers and spring seating washers
Transmission
Newly developed 6-speed Enduro gearbox
» Layout for 350 cc engine characteristics
» Precise shifting
Alternator
» 196 W EFI generator
» Oil jet for generator cooling
» Higher mass of inertia than SX-F ACG
» One-way clutch mounted in rotor
» New alternator cover
Weight
» Total weight 28.5 kg including
- Electric starter
- Kickstart internal
- Exhaust flange
- No oil
46 hp
rev. limiter at
12000 rpm
traction
rideability
throttle response
improved
low end
torque
37.5 Nm
Engine Performance 350 EXC-F
Starter
» Electric starter
» Kickstarter
450/500 EXC Engine
Development Targets
» Lowest possible weight
» Smallest possible packaging
» Easy maintenance and general simplification
» Maximum performance and rideability
» Improved durability and quality
» Takeover of proven parts from predecessor
Crank Shaft & Piston
» Bore:
» Stroke:
» Displacements:
95.0 mm
63.4 mm (450 EXC), 72.0 mm (500 EXC)
449.3 / 510.4 cc
» New weight optimised pistons: 450 EXC: - 14%; 500 EXC: -19%
» New high performance piston rings
» New ultra light conrod made by PANKL
450 EXC: - 20%; 500 EXC: -28% oscillating masses!
Packaging / Weight Saving
Balancer shaft / crank shaft and piston
» Reduction of oscillating masses (450 EXC  15% / 500 EXC  20%)
» Lateral balancer shaft with integrated water pump
» Big packaging advantage and simplification!
» Weight reduction: 0.5 kg to MY11
MY 2012
MY 2011
Oil Circuit
» One oil circuit instead of two
Clutch
» Smaller packaging (6.5 mm less width)
» Higher durability
» Less hand force on the clutch lever
» Less weight
Alternator
» Increased power output
from 140 W to 196 W
Packaging / Weight Savings
Engine case
» New die-cast instead of sand-cast
» Special aluminum alloy with high ductility
» Only one oil circuit instead of two separated circuits
» Weight reduction: 1.8 kg to engine case MY11
Orange = MY2012
Black = MJ2011
Benefits
» Engine weight reduction of 2.5 kg
» Total weight only 30.2 kg!
» Better ground clearance
» Class leading handling and rideability
» Benchmark in this category!
Orange = MY2012
Grey = MY2011
Valve Train
Carried over from the predecessor except
» New chain guides
» New mechanical chain tensioner
instead of hydraulic chain tensioner
Cylinder Head
» New inlet and exhaust port
» New design of combustion chamber
» New water jacket
58 hp
53 hp
500 EXC
450 EXC
52 Nm
48 Nm
Performance
» Focus on rideability
» Power delivery
» Top Enduro Performance
125 EXC
» New frame (PDS)
» Better handling
» New swing arm
» New PDS shock
» New wheels
» New bodywork
» New airbox
» Air intake boot
» Optimised carb setting (needle position)
» New kickstarter (-80 g, better ergo)
200 EXC
» New frame (PDS)
» Better handling
» New swing arm
» New PDS shock
» New wheels
» New bodywork
» New airbox
» New intake boot
» New ignition curve for smoother ridability
» New kickstarter (-80 g, better ergo)
250/300 EXC
» New frame (PDS)
» Better handling
» New swing arm
» New PDS shock
» New wheels
» New bodywork
» New airbox
» New intake boot
» New reed valve block
» New cylinder for 300 EXC
Sixdays Models
» Frame coated in orange
» Machined triple clamps in orange
» Handle bar coated in orange
» Supersprox rear sprocket in steel/aluminium
» Rear brake disc protector (orange)
» Solid rear brake disc (no holes)
»“Camel” seat with special seat cover
» Engine protector for all models
» Cooling fan for all 4-stroke models
» Map select switch for 250/300 EXC
» Exhaust pipe protector carbon for all 2-strokes
» Silencers with special titanium Sixdays coating
» Wheels with black spokes and black GIANT rims
» Front axle puller
» Quick-change bolt for rear brake pads
» Exclusive Six Days graphics (Finland)
Headline
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2-Stroke models
125 SX
250 SX
150 SX
350 SX-F
250 SX-F
4-Stroke models
450 SX-F
Highlights SX Models 2012
» 2-stroke models with linkage
» Electric-start for 250 SX-F
» New suspension settings
» New airbox intake boots for 2-strokes
» Improved rear brake
» New tires
» New kick starter for 125/150 SX
» New clutch for 450 SX-F
» New graphics
Linkage for 2-Strokes
» New linkage system for 2-strokes
» Higher geometrical rising rate (progression)
» New WP mono shock (length 490 mm, stroke 136 mm)
(PDS: length 417 mm, stroke 108 mm)
Frames
2-stroke frames with linkage
» New upper shock mount
» New connection brackets for link
» New cylinder head brackets
PDS 2011
Link 2012
Swing arm
» One-piece cast aluminium
» Excellent flex characteristics
Suspension
» WP Upside-Down forks 48 mm
“Closed Cartridge”
» New seals
» New bushings
» New setting for each model front and rear
Rear brake
New Brembo master cylinder
» Reworked internal design
» Improved reliability
Wheels
»
»
»
»
High-end Excel rims
Aluminium nipples
CNC machined hubs
Pirelli tires
Airbox
» Excellent protection of Twin-Air filter
» No-tools air filter access
» Quick change of filter
» New intake boots for each 2-stroke model
» Performance increase for 2-strokes
Bodywork
Finger print of Stefan Everts
» Perfect ergonomics
» Excellent contact points
» Reinforced rear fender
» New graphics
Renthal handlebars
CNC triple clamps
Integrated cooling
Lightweight wheels
Pirelli tires
Cast swing arm
WP Suspension
Brembo brakes
Engine 250 SX-F
» DOHC
» 54.8 x 76 mm stroke x bore
» New electric starter
» New EMS mapping
Engine 350 SX-F
» DOHC
» 57.5 x 88 mm stroke x bore
» Compact dimensions !
close to 250 SX-F
» Minimal oscillating masses
» Minimal gyroscopic masses
» Wide rpm range
» High performance
» New EMS mapping
Engine 450 SX-F
»
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»
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»
DOHC
Keihin FCR 41 mm carburettor
5-speed gear box
E-starter
Maximum performance
New clutch with steel basket
(retrofittable for previous models)
» Smaller clutch master cylinder
(9.5 mm instead of 10.5 mm)
Engine Management System
»
»
»
»
»
Keihin EMS
Throttle body 42 mm
New rubber protector for TPS
New fuel filter
New mappings for 250/350 SX-F
PowerParts
» User Setting Tool
» New map select switch
2-Strokes
» New linkage rear suspension
» New frame and swing arm
» New suspension setting
» New cylinder head brackets
» New intake boots
» New kickstarter 125/150 SX
» New exhaust pipe 125/150 SX
» New reed block 250 SX
Minicycles
» New WP USD fork 35 mm for 50 & 65 SX
» New radiators for 50 SX
» New wheels for all models
» New frontbrake 65 SX
» New front fork 85 SX
» New radial caliper 85 SX