0
GR-3 -
040/EM/12 - 60cc
USER MANUAL
MAN
–
095-20 - EN
Page 1: ...0 GR 3 040 EM 12 60cc USER MANUAL MAN 095 20 EN...
Page 2: ...d 4 motor oil CIK homologated We recommend WLADOIL K 2T ELF HTX 909 ELF HTX 976 EXCED RSK M PREPARING THE MOTOR MOUNT To fix the engine onto the chassis it is necessary to make holes on the motor moun...
Page 3: ...tion The advance has to be set to 2 60mm before TDC corresponding to 26 The spark point is where the markings on both rotor and stator match Please take particular care to the ground connection betwee...
Page 4: ...e piston has to be installed The prescribed clearance provided within the piston when brand new is 0 07 0 08mm This is reached by honing the cylinder at the same diameter marked on the piston top for...
Page 5: ...of fuel CONROD SMALL END CAGE The replacement must be performed after an approximate consumption of 120lt of fuel CONROD We recommend to replace the conrod when the ovalization of big end bore exceeds...
Page 6: ...engine idle RPM act on screw M Turn counter clockwise to decrease RPM and clockwise to increase EXAMPLE OF RACING SETUP FUEL PUMP CONNECTIONS CONICAL NEEDLE W23 2 NOTCH FROM TOP GAS THROTTLE 40 ATOMI...
Page 7: ...et 144 0 2 Feeler gauge 0 2x5mm TIMING ADVANCE 2 60 mm Before TDC COMBUSTION CHAMBER VOLUME 7 cm min 6 80cm SQUISH 0 52 0 55mm measured with single wire d 1 5mm PISTON RING GAP 0 05 0 15 mm Installed...