Scott Bonnar 35 K8.5 Kirby Lauson/LV30 Equivalent so its pre 63-64 VK30 fitted after. SB Model "350696"....35 12134 is the Serial number. It was fitted with either the "Sure Start" Impulse or EZE Start Recoil Starters(Victa Style). All 35's ran the same consecutive serial number sequence style as Victa,regardless of engine fittment of which there are 5 variants. BS,Villiers Torque Major, Kirby LV30 4ST,Kirby K11.82ST and the SB 201. You will find more info on 35 in The SB Models Thread.....
