Sparks & Sons, Inc.

Phone: 618-592-4732 / 800-543-5337
 
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450 SX

The MX 1 Racer for your own garage: the 450 SX is the basis for our successes in the king's class. It shines with its new frame, superagile chassis and linear performance progression. Top-quality equipment details - like machined triple-clamp, Brembo braking system with Wave discs or EXCEL rims - make one thing clear: the 450 SX leads the way to victory.

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Specifications

 

 

 

 

Engine


Engine single cylinder, 4-stroke
Displacement (cc) 449.4
Bore x stroke (mm) 95 x 63.4 (2.61 x 2.83")
Compression ratio 12:1
Starter kick-starter
Transmission 4 gears
Carburetor Keihin MX FCR 41
Control roller rocker lever
Lubrication pressure lubrication with 2 Eaton pumps
Transmission lubrication -
Engine oil 1.2 l Motorex Power Synt 4T 10W/50
Primary drive 33 : 76
Final drive chain 5/8 x 1/4"
Cooling liquid cooled
Clutch wet multi-disc clutch, operated hydraulically
Ignition Kokusan digital 4K-3A

Chassis


Frame chromium molybdenum
Subframe aluminum
Handlebar tapered Renthal Ø 28 mm (1.10")
Front suspension WP-USD 48 mm (1.89")
Rear suspension WP-PDS shock absorber
Suspension travel front/rear 300 / 335 mm (11.81/13.19")
Front / Rear brakes disc brakes 260 / 220 mm (10.24/8.66")
Front / rear rims 1.60 x 21"; 2.15 x 19" Excel
Front / rear tires 80/100-21"; 110/90-19"
Transmission 14:52
Main silencer aluminum
Steering head angle 63.5°
Wheel caster 112 mm (4.41")
Wheelbase 1481±10 mm (58.31±0.39")
Ground clearance (unloaded) 385 mm (15.16")
Seat height 925 mm (36.42")
Fuel capacity approx. 7 litres (1.85 gal)
Weight (ready to race, no fuel) approx. 105.2 kg (231.93 lbs)


 
Sparks And Sons, Inc.
5204 E 1050th Ave Oblong, IL 62449
Illinois Route 33 East - Between Oblong and Robinson
Phone: (618)592-4732 / 800-543-5337 Fax : 618-592-4815