Chainsaw Repair

FWIW there is another freebie called "convert" which will do distance,area, weight,speed  etc .---Google it .

12.7 mm=1/2"=.500"       1200 cc= 74 cu in. Harley Davidson mod 74

my son grew up here in oz on metric joined the airforce  and had to learn imperial measurements for spanners etc works on the P3 Orion

 wrench pronounced raanch ;  I thought that was where you guys kept yer cattle

I had an Austin manual that talked about driving with the hood up. Took a while until I realized they were referring to the convertible top. The bonnet is the hood on this side of the pond. Al, those Brit motorcycles are a whole 'nuther ball game altogether. Unless you wear a tweed cap and talk with your mouth full of marbles forget about them.