A swissauto250 VT1 engine is upgradable to the following configurations:
EFI VT1 - 40hp version.
Necessary changes: software, EFI “plug-and-play” injection kit, remove inlet air restrictor
A swissauto250 VT1 engine is downgradable to the following configurations:
VT2 - 28hp carburetor version.
Necessary changes: software, inlet air restrictor
EFI VT3 - 27,5hp version.
Necessary changes: software, EFI “plug-and-play” injection kit with inlet restrictor,
remove inlet air restrictor
VT3 - 24hp carburetor version.
Necessary changes: software, VT3 “plug-and-play” carburetor kit
VT4 - 15hp carburetor version.
Necessary changes: software, VT4 “plug-and-play” carburetor kit
Oil service.
Every raceday 0,6 liter 0W-30 ZDDP rich engine oil
Small service - SP15
After 15 hours
(Not necessary if HQ valve springs are used; standard since 2015)
Main service - SP45
After 45 hours or 1 racing season
swissauto250 VT1
