Your Utility I believe would be a 1970-71 125cc model 70VG victacode V82.The only thing is it would have had a different stater.It was the last utility to have that kind of muffler after that Victa went to the box muffler.Your engine number does match that as well.I have noticed a lot of utility's starting with the number 2 and then 70 would be for 1970.Which matches the model above.
The second one that says Utility 160 is not a utility,no utility's had catchers.
So I'm not exactly sure what it is but it would be somewhere from after 1974 at a guess due to having a G4 carby. However if in your engine number the two question marks stand for two numbers that you can't read and the engine number reads,something like this 030802490 then it would be an 80 series engine.The two numbers you can't read could very well be the year of manufacture,and from the decal on the base I'm thinking it is from the 1980's.If it is,it could very well be anything such as a Cortina,Corvette and I think there was even a Commodore in that style,but I'm not sure I don't really know a lot about 1980 Victa's.
Not my era at this stage anyway.
Hope this helps.
