this was like the first dt i had and it was faster than my mates dt mk1 lc mind you i was only about 10 stone back then an my mate was 20!
old enough to remember air cooled dts and had one !
had a few 175's as field bikes and they were cracking little bikes lost count of how many times i flipped them lol
money killed everything....
dad had a 125 as a young man, went to bike scrap yard and got a 175 barrel and piston , went like stink for what it was