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450 SX-F
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- Make:
- KTM
- Model:
- 450 SX-F
- Year:
- 2010
This isn’t just a bike, it’s a racing machine that is instantly the main contender on all tracks. With an ultra-light electric starter, a brand new 5-speed gearbox, new CNC-machined triple clamps and a new high-level chassis, the 450 SX-F makes the other bikes on the track look outdated, before and after the race.
UPDATED
» New frame design for 450 SX-F
- Frame is welded to steering head 10 mm lower than 2009, which lowers tank and seat position
- optimised weight balance
- better control of front wheel, lighter feeling
» New KTM patented triple clamp design (Twin-screw-clamps), fixed off-set 22 instead of 20 mm
- designed for improved flex characteristics and fork action plus optimal handling
» Revalved suspension settings
- new fork seals and bushings to reduce sliding friction and improve better comfort
- combined with new triple clamps the forks provide improved handling and stability
» New front brake pads Toyo B153
- better performance, more progressive feel
» New exhaust pipes for two-strokes (wall thickness from 0.88 à 1.00)
- more resistant against stones
» New air box design & new air filter
- improved filter protection
» New radiator cap – 1.8 bar instead of 1.4 bar
- better heat stability
» New Renthal "Diamand" hand grips
- better feeling
» New graphics
- brighter colours
» Reinforced piston (+ 0.5 mm wall thickness)
- better durability
» New low-end carb setting
- improved rideablity and power delivery
» New 5-speed transmission
- better overall setting
| Engine » | |
|---|---|
| Engine | single cylinder, 4-stroke |
| Displacement | 449.3 cc |
| Bore and Stroke | 97 x 60.8 mm |
| Compression Ratio | 12.5:1 |
| Valve Gear | 4 V / DOHC with finger followers |
| Engine Lubrication | pressure lubrication with 3 oil pumps |
| Filter System | - |
| Starter | electric starter |
| Decompression | automatic |
| Ignition | Kokusan |
| Battery | 12 V 4 Ah |
| Carburetor | Keihin MX FCR 41 |
| Fuel | premium unleaded |
| Transmission | 4 gears |
| Clutch | wet multi-disc clutch, operated hydraulically |
| Primary Drive | 29:74 |
| Final Drive | 14:52 |
Chassis » |
|
| Chassis | double ground central double cradle type frame |
| Frame | double ground central double cradle type frame |
| Sub-Frame | Aluminium |
| Handlebar | Renthal aluminium, 28mm tapered |
| Front Suspension | WP-USD 48mm |
| Rear Suspension | WP PDS shock absorber |
| Front/Rear Suspension Travel | 300 / 335 mm |
| Front Brake | disc brake 260mm |
| Rear Brake | disc brake 220mm |
| Front Rim | 1.60 x 21" Excel |
| Rear Rim | 2.15 x 19" Excel |
| Front/Rear Tyre | 80/100-21" ; 110/90-19" |
| Steering Headangle | 63.5 |
| Wheel Caster | - |
| Wheelbase | 1475+10 mm |
| Exhaust System | Titanium header pipe resinator system with aluminium silencer |
| Stand | - |
| Seat Height | 985 mm |
| Ground Clearance | 380 mm |
| Fuel Capacity | approx. 8 L |
| Weight | approx. 104.6 kg (no fuel) |
