1964 FIM Motocross World Championship

Jeff Smith riding for the BSA factory racing team won the 500cc motocross world championship to become the first British rider to claim the premier division, beating out former two-time world champions and Husqvarna teammates Rolf Tibblin and Sten Lundin.[1] Tibblin won the first four races of the year before Smith won seven of the final ten events to capture the title.[2]

In the 250cc division, 20-year-old privateer, Joël Robert rode a ČZ to win 9 of the 14 Grand Prix races to claim the world championship ahead of the defending champion, Torsten Hallman.[3][4] Robert became the youngest motocross world champion at the time.[5]

Points are awarded to the top 6 classified finishers.

500cc

Pos	Rider	Machine	CH	AUT	DEN	SWE	NED	FRA	ITA	USR	CZE	BEL	LUX	GER	DDR	ESP	Points
1	Jeff Smith	BSA	2	2	2	2	1	3	1	1	2	1	1	2	1	1	96
2	Rolf Tibblin	Husqvarna	1	1	1	1	2	1			1			3	2		64
3	Sten Lundin	Lito	3	3	3	3	5	2	4			3		1		3	46
4	Ove Lundell	Husqvarna	6	6			3	5		2	4		6	4		4	24
5	Bill Nilsson	ESO-Métisse				5	4		3		3		2	6			20
6	Per Olaf Persson	Husqvarna		5		6	6	4	2					5			15
7	Herman De Soete	Matchless-Métisse										4	3			5	9
8	Jerry Scott	BSA											4		4		6
	Vic Eastwood	BSA		4					6		5						6
	Hubert Scaillet	Triumph-Métisse														2	6
	John Burton	Triumph-Métisse										2					6
12	Pierre-André Rapin	Monark	4										5				5
13	Josef Chara	Jawa								3							4
	Dieter Kley	ESO													3		4
	Gunnar Johansson	Lito				4		6									4
16	Nikolaj Sokolov	ESO								4							3
	Jos Ribbens	BSA			4												3
18	Antonin Klavinsh	ESO								5							2
	Aleksandr Lebedev	ESO													5		2
	André Chuchard	Triumph-Métisse										5					2
	Broer Dirkx	Lito							5								2
	Dave Nicoll	Matchless			5												2
	Ervín Krajčovič	ESO	5														2
24	Josef Hrebecek	ČZ									6						1
	Lubomir Eichler	ČZ								6							1
	Andy Lee	Matchless-Métisse														6	1
	Sigur Kalkis	ESO													6		1
	Roger Vanderbecken	Triumph										6					1
	Jacob Lynegaard	BSA			6												1

Source:[6]

250cc

Pos	Rider	Machine	ESP	BEL	CH	CZE	GER	LUX	ITA	UK	SWE	FIN	USR	POL	GDR	FRA	Pts
1	Joël Robert	ČZ		1	1	1	1	2	3	1	1	1	1				56
2	Torsten Hallman	Husqvarna	1	2		5	2	3	1		2	4		1		1	50
3	Victor Arbekov	ČZ			4	2		4	6		6	3	2		1		31
4	Igor Grigoriev	ČZ		4	2	3			2			6	3	4	3	4	30
5	Dave Bickers	Greeves	4					1		2	4		4				23
6	Åke Jonsson	Husqvarna									3	2			4	2	19
7	Vlastimil Valek	Jawa		5	5		4	5			5		6			3	16
8	Karel Pilar	ČZ	6		3	6	5	6	4							6	13
9	Gunnar Draougs	ČZ												2	2		12
10	Cenneth Loof	Husqvarna			6		3		5								7
11	Don Rickman	Bultaco	2														6
12	Jan Johansson	Lindstrom		3												5	6
13	Olle Pettersson	Husqvarna	5									5	5				6
14	John Griffith	Greeves	3														4
	Malcom Davis	Greeves								3							4
	Antonin Hrach	ČZ												3			4
17	Zdenek Polanka	ČZ				4											3
	Bryan Goss	Greeves								4							3
19	Derek Rickman	Bultaco		6						5							3
20	Eungenius Frelich	MZ												5			2
	Max Morf	ČZ													5		2
	Jaakko Lehmuskoski	Husqvarna												6	6		2
23	Fritz Betzelbacher	Montesa					6										1
	Fritz Selling	Greeves								6							1

Source:[7]