2004 KTM 660 SMC
The strongest serial Supermoto, KTM has ever
built. 654 cc engine, chassis with special
race adjustment, kick-start only, sporty orange,
aluminum silencer, 9-litre tank. Let's race.
Engine - single-cylinder 4-stroke engine
Displacement (cc) - 654
Bore / stroke (mm) - 102 / 80
Performance (homologated) - 24 kW / 6500
rpm
Max. torque - 43 Nm / 4000 rpm
Compression ratio - 11.7:1
Starter - kickstarter
Transmission - 5 gears, dog-clutch engagement
Carburetor - Keihin FCR MX 41
Control - 4 valves / OHC, roller rocker
lever
Lubrication - Pressure lubrication with
2 Eaton pumps
Engine oil - Motorex Power Synt 4T 10W-50
Primary drive - 31:79
Cooling - liquid-cooled
Clutch - wet multi-disc clutch, operated
hydraulically
Ignition - Kokusan DC-CDI 4K3
Frame - chromium-molybdenum, power-coated
Subframe - aluminum
Handlebar - aluminum, conified
Front suspension - WP-USD 48 MA
Rear suspension - WP - Monoshock
Suspension travel, front/rear - 265 / 300
mm
Front brake - Brembo 4-piston floating caliper,
320 mm disc
Rear brake - Brembo 1-piston floating caliper,
220 mm disc
Rims, front/rear - 3.5 x 17" / 5.0 x 17"
Tyres, front/rear - 120/70-17" ; 160/60-17"
Transmission ratio - 16:38
Chain - X-ring chain 5/8 x 1/4 "
Main silencer - aluminum SXC
Steering head angle - 63°
Wheel caster - 99 mm
Wheelbase - 1510±10mm
Ground clearance (unloaded) - 290 mm
Seat height - 910 mm
Fuel capacity - approx. 9 liters / 2.5 liters
reserve
Weight (no fuel) - approx. 131 kg
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