2005 KTM 450 EXC
400/450/525 EXC RACING
IGNITION
The use of new materials raises the temperature resistance of the ignition and means greater stability at extreme temperatures. The new CDI box with optimized ignition timing provides increased per-formance and at the same time more steering lock on account of the smaller dimensions.
CLUTCH
The modified pressure cap ensures better oil supply and conse-quently cooling of the clutch, greater durability and more precise application.
450 EXC RACING
Top performance paired with loads of grunt packed into the best enduro chassis in the world: a combination that puts it right at the front in every comparison test. As on all Racing models an electric starter goes without saying.
Engine - single cylinder, 4-stroke
Displacement - 447,92 cc
Bore x stroke - 89/72 mm
Compression - 11:01
Starter - kick-starter and E-starter / 4 Ah
Transmission - 6 gears
Carburetor - Keihin MX FCR 39
Control - 4 V / OHC with roller rocker lever
Lubrication - pressure lubrication with 2 Eaton pumps
Engine oil - 1,2 l Motorex Power Synt 4T 10W / 50
Primary ratio - 33 : 76
Final drive - X-ring chain 5/8 x 1/4"
Cooling - liquid cooled
Clutch - wet multi-disc clutch, operated hydraulically
Ignition - Kokusan digital 4K-3B
Frame - chromium molybdenum
Subframe - aluminium
Handlebar - tapered Magura, aluminum, Ø 28 mm
Front suspension - White Power-USD 48 mm
Rear suspension - WP-PDS-shock absorber
Suspension travel, front/rear - 300/335 mm
Front/Rear brakes - disc brakes 260/220 mm
Front/rear rims - 1,60 x 21"; 2,15 x 18" Excel
Front/rear tires - 90 / 90-21"; 140 / 80-18"
Transmission - 15:45 (14:50)
Main silencer - aluminium
Steering head angle - 63,5°
Wheel caster - 112 mm
Wheelbase - 1481±10 mm
Ground clearance - (unloaded) 380 mm
Seat height - 925 mm
Fuel tank contents in litres - 8
Total weight in kgs (without fuel) - approx. 113,5
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