2018-08-28 09:51:01

News


NEWS FOR 2018 SEASON


NEW REDUCED FRAMES

FRONTFORK871-41-002,874-41-003 & FRAME871-31-520,884-31-520


INOVATIONS FOR 250 cc

  • NEW PLACE FOR VALVE SPRINGS
  • OLDER MODEL OF OIL PUMP
  • NEW ROCKER ARM
  • NEW CRANK CASE

ENGINE 887-10-000

  • air-cooled
  • single cylinder
  • 1x OHC long stroke
  • bore x stroke 85 - 87 mm
  • compression ratio 13,5 – 16:1
  • Max.power 41 kW
  • Max.speed 9 000 min-1
  • Fuel Methanol
  • Weight 28 kg

NEW SETUP OF ENGINES AVAILABLE

Conecting rod

Length 143mm (for 250cc) 250-12-110
Length 150mm - small end 20,0 or 20,6 889-12-210 DIAM. 20; 889-12-215 DIAM. 20,6
Length 152mm – small end 20,0 or 20,6 992-12-110 DIAM. 20; 992-12-115 DIAM. 20,6
Length 160mm (for Ice Speedway) 871-12-110 JAWA PISTON; 871-12-120 OMEGA PISTON
Length 163mm - small end 20,0 or 20,6 889-12-140 DIAM. 20; 889-12-145 DIAM. 20,6
Length 164,5mm - small end 20,6 882-12-120

Piston

Jawa piston 889-12-061
Wiseco piston - piston pin 20,0 or 20,6 326 988 912 160 JAWA; 326 988 912 260 GM
CP piston - piston pin 20,0 or 20,6 326 988 912 360 JAWA; 326 988 912 370 GM

Valves

Jawa valves - 30mm ex, 35mm in 889-13-245 INTAKE; 889-13-246 EXHAUST
GW (Tornado valves) - 30mm ex, 35mm in 163 188 913 245 INTAKE; 163 188 913 246 EXHAUST

Valve spring

Jawa racing valve spring – from Scherdel company 451 988 913 173
GW (Tornado) spring - HQS1 or HQS2 451 925 013 273 HQ1; 451 925 013

Camshaft

Jawa camshaft - 08, 09, 12 and other 889-13-150 NR.08; 889-13-170 NR.09; 889-13-155 NR.12
Tornado camshaft - S5.2, S5.4, S74, S26 and other 451 988 913 270 S5.2; 451 988 913 271 S5.4; 451 988 913 272 S74

Ignition

Selettra analog system - rotor diam. 48mm 443 288 919 020
Selettra digital system – rotor diam. 48mm 443 288 919 030
PVL analog system 443 288 419 011

Cylinder

Diameter 92 mm, 85 mm 992-13-021 DIAM. 92; 884-13-040 DIAM. 85
Diameter 90 mm – Conrod 150mm or 163mm 889-13-055 DIAM. 90 SHORT; 889-13-035 DIAM. 90 LONG
Diameter 80 mm, 77 mm 880-13-032; DIAM. 80; 250-13-011 DIAM. 77
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