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Complete Archive of Chassis B21-Yoneyama#

(real number unknown)

About Chassis Numbers


300 km Fuji						18.3.1973
27		Chevron B21 # - Ford L4 N/A
					Open bodywork
					Mid-engined
		Driven by: Jiro Yoneyama (J)		Result: started, result unknown Grid:
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: unknown


300 km Fuji						3.6.1973
27		Chevron B21 # - Ford Cosworth FVC L4 4v DOHC N/A
					Open bodywork
					Mid-engined
		Driven by: Jiro Yoneyama (J)		Result: did not start Grid: 33^rd (no time)
		Sponsors: RICOH			Colours: unknown
		Sponsors: RICOH			Tyres: Dunlop


200 mile Fuji						2.9.1973
27		Chevron B21 # - Ford L4 N/A
					Open bodywork
					Mid-engined
		Driven by: Jiro Yoneyama (J)		Result: 24^th Grid:
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: unknown


300 km Fuji						5.5.1974
11		Chevron B23 #
					Open bodywork
					Mid-engined
		Driven by: Jiro Yoneyama (J)		Result: 4^th Grid:
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: unknown


300 km Fuji						2.6.1974
11		Chevron B23 # - Ford Cosworth DBA L4 N/A
					Open bodywork
					Mid-engined
		Driven by: Jiro Yoneyama (J)		Result: 7^th Grid:
		Sponsors: ROYSKI			Colours: unknown
		Sponsors: ROYSKI			Tyres: unknown


200 mile Fuji						1.9.1974
11		Chevron B21 # - Ford Cosworth DBA L4 N/A
					Open bodywork
					Mid-engined
		Driven by: Jiro Yoneyama (J)		Result: 11^th - did not finish Grid: 7^th (1:45.8800)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: unknown


250 km Fuji						10.10.1974
11		Chevron B21 # - Ford Cosworth DBA L4 N/A
					Open bodywork
					Mid-engined
		Driven by: Jiro Yoneyama (J)		Result: 11^th Grid:
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: unknown


Fuji 200 Kilometres			Fuji Victory 200 Kilometres			24.11.1974
11		Chevron B21 # - Ford Cosworth DBA L4 N/A
					Open bodywork
					Mid-engined
		Driven by: Jiro Yoneyama (J)		Result: did not finish Grid:
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: unknown


300 km Fuji						23.3.1975
15		Chevron B23 # - Ford Cosworth BDA L4 4v DOHC N/A
		Jirou Motor Racing			Open bodywork
		Jirou Motor Racing			Mid-engined
		Driven by: Jiro Yoneyama (J)		Result: started, result unknown Grid: 4^th (1:18.7800)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Dunlop


250 km Fuji						8.6.1975
15		Chevron B23 # - Ford Cosworth BDA L4 4v DOHC N/A
		Jirou Motor Racing			Open bodywork
		Jirou Motor Racing			Mid-engined
		Driven by: Jiro Yoneyama (J)		Result: did not finish Grid: 15^th (1:21.9900)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Dunlop


200 mile Fuji						7.9.1975
15		Chevron B23 # - Ford Cosworth BDA L4 4v DOHC N/A
		Jirou Motor Racing			Open bodywork
		Jirou Motor Racing			Mid-engined
		Driven by: Jiro Yoneyama (J)		Result: 15^th Grid: 15^th (1:25.6300)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Dunlop


250 km Fuji						19.10.1975
50		Chevron B23 # - Ford Cosworth BDA L4 4v DOHC N/A
		Jirou Motor Racing			Open bodywork
		Jirou Motor Racing			Mid-engined
		Driven by: Jiro Yoneyama (J)		Result: 11^th Grid: 17^th (1:21.1700)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Dunlop


200 km Fuji						23.11.1975
50		Chevron B23 # - Ford Cosworth BDA L4 4v DOHC N/A
		Jirou Motor Racing			Open bodywork
		Jirou Motor Racing			Mid-engined
		Driven by: Jiro Yoneyama (J)		Result: 7^th Grid:
		Sponsors: Janex			Colours: unknown
		Sponsors: Janex			Tyres: Dunlop


300 km Fuji						21.3.1976
50		Chevron B23 # - Ford Cosworth DBA L4 N/A
		Jirou Motor Racing			Open bodywork
		Jirou Motor Racing			Mid-engined
		Driven by: Jiro Yoneyama (J)		Result: 10^th Grid: 15^th (1:21.7300)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Dunlop


250 km Fuji						6.6.1976
50		Chevron B23 # - Ford Cosworth DBA L4 N/A
		Jirou Motor Racing			Open bodywork
		Jirou Motor Racing			Mid-engined
		Driven by: Jiro Yoneyama (J)		Result: did not finish (Over Heat) Grid: 18^th (2:08.9600)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Dunlop


200 mile Fuji						5.9.1976
50		Chevron B23 # - Ford Cosworth DBA L4 N/A
		Jirou Motor Racing			Open bodywork
		Jirou Motor Racing			Mid-engined
		Driven by: Jiro Yoneyama (J)		Result: 13^th - did not finish Grid: 18^th (1:24.1100)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Dunlop


300 km Fuji						20.3.1977
15		Chevron B23 # - Ford Cosworth DBA L4 N/A
		Jirou Motor Racing			Open bodywork
		Jirou Motor Racing			Mid-engined
		Driven by: Jiro Yoneyama (J)		Result: 11^th Grid: 13^th (1:20.6200)
		Sponsors: Hickok			Colours: unknown
		Sponsors: Hickok			Tyres: Dunlop


250 km Fuji						26.6.1977
15		Chevron B23 # - Ford Cosworth DBA L4 N/A
		Jirou Motor Racing			Open bodywork
		Jirou Motor Racing			Mid-engined
		Driven by: Jiro Yoneyama (J)		Result: 9^th Grid: 21^st (1:43.6700)
		Sponsors: Hickok			Colours: unknown
		Sponsors: Hickok			Tyres: Dunlop


200 mile Fuji						4.9.1977
15		Chevron B23 # - Ford Cosworth DBA L4 N/A
		Jirou Motor Racing			Open bodywork
		Jirou Motor Racing			Mid-engined
		Driven by: Jiro Yoneyama (J)		Result: did not finish (Retire) Grid: 16^th (1:22.3500)
		Sponsors: Hickok			Colours: unknown
		Sponsors: Hickok			Tyres: Dunlop


250 km Fuji						8.10.1977
15		Chevron B23 # - Ford Cosworth DBA L4 N/A
		Jirou Motor Racing			Open bodywork
		Jirou Motor Racing			Mid-engined
		Driven by: Jiro Yoneyama (J)		Result: 10^th Grid: 14^th (1:20.0500)
		Sponsors: Hickok			Colours: unknown
		Sponsors: Hickok			Tyres: Dunlop


200 km Fuji						27.11.1977
15		Chevron B23 # - Ford Cosworth DBA L4 N/A
		Jirou Motor Racing			Open bodywork
		Jirou Motor Racing			Mid-engined
		Driven by: Jiro Yoneyama (J)		Result: 15^th Grid: 18^th (1:21.8600)
		Sponsors: Hickok			Colours: unknown
		Sponsors: Hickok			Tyres: Dunlop

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