Ah , well according to the Yz register, they made a YZ175 [ eng no- 1L8] in 1976 ... discontinued tho ,as dosnt appear in any other year,
There was no YZ425 either , but a IT425 ,,
I didn't think ther was a YZ175 . you get The IT175, YZs" were 125/250 400/465 Which were all pre-mix , [ no oil pump,]
See where it bolts to bottom end, - and DT Uses long bolts,
Hi scotty " That be Morayshire then , I used to be in the Elgin T,O,W, team a while back,,
Great roads around there , Dufftown Tomintoul - Caberfeigh road etc...
Now beam me up.. Scotty,,,,
I was thinkin about an extra YOC, Meet, middle of summer when light nights ,and good temp, we have time on our hands ,,
I mean squires is ok , but that road to Seaways is played out now,,
Never quite made it to Hartside, on the ride-out last year[ bishop Auckland 2 stroke meet] my mates H2 kwaker dropped a pilot jet ,
we spent the afternoon in Stanhope pub, ,awaiting recovery