Datei:PrecisionJuniorEngine.jpeg

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F.E.Baker produced this unusual 170cc engine in 1913 under their 'Precision' trademark. This image is taken from the description of the engine in The Motor Cycle from November 1913.^[1] The two unusual characteristics for the time are the unit construction, with engine and gearbox combined, and the horizontal valves operated by levers.

Known as the Precision Junior it was used by several motorcycle manufacturers during 1914, but at the end of 1914 it was redesigned with side-valves at the rear of the cylinder and the bore increased to 65mm giving it 199cc capacity.

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↑ The 1914 Precision Engines, The Motor Cycle, 20th November 1913, p1507

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	Version vom	Vorschaubild	Maße	Benutzer	Kommentar
aktuell	11:35, 10. Aug. 2020		539 × 539 (69 KB)	Oldnoccer	F.E.Baker produced this unusual 170cc engine in 1913 under their 'Precision' trademark. This image is taken from the description of the engine in The Motor Cycle from November 1913.<ref>The 1914 Precision Engines, The Motor Cycle, 20th November 1913, p1507</ref> The two unusual characteristics for the time are the unit construction, with engine and gearbox combined, and the horizontal valves operated by levers. Known as the Precision Junior it was used by several motorcycle manufacturers dur...

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- F. E. Baker Ltd

[1] The 1914 Precision Engines, The Motor Cycle, 20th November 1913, p1507

[1]