[4] Entering the 1968 season, Banks faced strong competition from the defending world champion Paul Friedrichs and his ČZ teammate Roger De Coster as well as the Swedish Husqvarna team riders Bengt Åberg and Åke Jonsson.

[7] The East German Grand Prix was not attended by the majority of western European riders due to the difficulty in procuring visas and traveling behind the Iron Curtain.

[7] That gave communist authorities the opportunity to enter several local East German competitors who helped Friedrichs to win the race by continually obstructing Banks' path.

[1][6] The setting of the tenth round at the Belgian Grand Prix was a rugged, narrow track in the forests surrounding the picturesque hilltop Citadel of Namur.

[1] Finally, at the Swiss Grand Prix he punctured another tire, allowing Bengt Åberg to overtake him to win the 1969 500cc motocross world championship.

[1] At the end of the world championships, he returned to the United States where, he rode a ČZ motorcycle to once again finished as runner-up in the 1971 Trans-AMA series, this time to Suzuki rider Sylvain Geboers.

[1] He then accepted an offer from designer Eric Cheney to campaign BSA B50 motorcycles in the 1973 FIM Motocross World Championship.

[1][16] Despite the BSA's weight handicap, Banks still managed several top five placings in the world championships against lighter, two stroke motorcycles, including an impressive performance at the 1973 500cc United States Grand Prix in Southern California where, on the hard packed desert terrain, the explosive power delivery of two stroke engines put them at a disadvantage to more tractable power delivery of Banks' BSA.