1977 Southwick Mass 250 National Pt 1 

Thanks for the upload, I was born in 1971, been riding/racing since 1976 and still at it, I LOVE these old races, reminds me of all my uncles bikes etc back than :)...... Men of motocross in this film

I was there. I stood at the " spectator jump" and the far uphill climb. I have ken Howerton and marty trips autographs on my soiviner pamphlet

wow