total there were a hundred motocross machines and this batch was sold out . Later in the 60s , Ruben was occupied in the factory ' s intention at motocross championships . Winning eight individual titles in this important decade : " I don ' t remember how many miles I travelled in these years , but it seemed like home was the last place where I spent time ," the sharp engineer said . “ As years went by , we got more and more involved in competition worldwide , not least in the United States where business was booming .”
Husqvarna also delivered motorcycles to the Swedish Army , which demanded time and development from the technical department . " The model 256A was a true military motorcycle . At first , they asked for a quote of 5,000 units , but in the end the military just bought a thousand green-painted machines . There was more work than profit ," concluded Helmin .
In the early 1960s , Helmin had an idea of putting two 250 engines together . It resulted in a potent twinpower plant with a displacement of half a litre . But it was not until 1967 that he began developing his thoughts . Helmin managed to integrate double 2-strokes into one power unit . After tests , the 137 kg Husky beast was over-bored to
504cc , which made it eligible for the FIM-cup during 1969 . They won the cup and a 492cc machine was shipped to the Mexican Baja 1,000 race . With the ace riders Gunnar Nilsson and J . N . Roberts , Husqvarna also won this classic event , with a good margin . However , the doubleengine model never reached production despite success both in Europe and the United States . In the 1970s , the big peak came after Bengt Åberg , Heikki Mikkola and Håkan Carlqvist had won individual motocross world titles . Helmin was
VOL . 7 ISSUE 5 - MAY 2022 // PAGE 137