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Raket 85 is a 85 cubic 2-speed engine which has 8hp. Top velocity approaches to about 100km/h. Raket 85 engines are being used in competitions both in Sweden and Finland. Below some more specific information of this engine.
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Cylindervolume
Cylinderdiameter
Stroke
Cooling
Exhaust op.degree
Intake op.degree
Carburetor
Cylinder material
Crankshaft
Venturi
Raket 85 (in swedish)
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84.9 ccm
52.0 mm
40.0 mm
air
146º (degrees)
132º (degrees)
Tillotson HS 205 och HS 175
AL-alloy
71.0 +- 0.05 mm
17.7 mm
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Yamaha KT100
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Yamaha KT100 is a 100 cubic 2-speed engine which has 15hp. Top velocity approaches to about 130km/h. Yamaha KT100 engines are being used in competitions both in Sweden and Finland. Below some more specific information of this engine.
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Cylindervolume
Cylinderdiameter
Stroke
Cooling
Exhaust op.degree
Insug op.degree
Cylinder material
Cylindertube
Carburetor
Venturi
Yamaha KT100 SE (in swedish)
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100ccm
52.00mm-52.55mm
46 mm
air
max. 146º (degrees)
max. 132º (degrees)
AL-alloy
Steel
Walbro WB 3A B9 alt.WB 19
Max 24.00 mm
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Rotax FR125 Max
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Rotax FR125 Max is a 125 cubic 2-speed engine which has 21hp. Top velocity approaches to about 150km/h. Rotax FR125 Max engines are being used both in national and international competitions. Below some more specific information of this engine.
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Cylindervolume
Cylinderdiameter
Squish gap
Cooling
Combustion chamber insert
Stroke
Spark plug
Carburetor
Fuel pump
Rotax FR125 Max (in english)
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125ccm
Max. 54,035 mm
1,0 mm – 1,50 mm
Water
27,55 mm +0,0/-0,1 mm
54,5 mm ± 0.1 mm
DENSO Iridium IW eller NGK BR...EG
DELL’ORTO VHSB 34 QD
Mikuni diaphragm pump
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Full technical specifications about these and other engines are available at Svenskabilsportsförbundets website http://web.sbf.se/regler (in swedish).
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