1/5/24: Pg. 26; SNOWMOBILE; ENGINE; Delete the line “Displacement limited to 1,000 cc’s”.

1/8/24: Pg 6; MOTORCYCLES/SLEDS; add “stand alone ECU’s must run the sportsman/no box software.27

3/9/24: Pg 27; Add to the end of the second sentence “or UTV’s with single driver only and no passengers.”

4/26/24:  Pg 45; SUPERCHARGERS; add to last paragraph “SFI spec 14.1 restraint system mandatory on Roots type supercharger when alcohol is used.  Belt guard or oil/fuel line guard must be used where lines pass by the belt.”