MAINTENANCE SPECIFICATIONS2-7ESPECLOWER UNITItem UnitModelType Worldwide Swiss (SAV) USA (EPA)Stampedmark 67C-00 67C-20 67C-10CARBURETORMain jet#1 # 95#2 # 95#3 # 95Pilot jet#1 # 40#2 # 40#3 # 40Pilot screw Turns 2±1/4 —Float heightmm (in) 14.0±0.5 (0.55±0.02)Idling speed r/min 850Item UnitModelWorldwide F40BMHD, WHD F40BED, F40BETUSA, Canada F40MH F40ER, F40TRGEAR BACKLASHPinion-Forward mm (in) 0.20 - 0.60 (0.008 - 0.024)Pinion-Reverse mm (in) 0.81 - 1.10 (0.031 - 0.043)Adjusting shim thickness mm 0.10, 0.12, 0.15, 0.18, 0.30, 0.40, 0.50