Difference between revisions of "Honda 4RC146"

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{{Honda}}
{{Honda}}


[[Category:Honda motorcycles|4RC146]]
[[Category:Honda RC series|4RC146]]
[[Category:Honda RC series|4RC146]]
[[Category:1960s motorcycles]]
[[Category:1960s motorcycles]]
[[Category:Needs motorcycle template]]
[[Category:Needs motorcycle template]]

Latest revision as of 20:47, 9 November 2019

1965 Honda 4RC146

The 1965 Honda 4RC146 is an improved version of the 2RC146, and nearly identical to it – the only external difference are the shorter exhausts of the 4RC146.

Power is now 30 bhp at 17,000 rpm. In actual practice, the engine hardly ever runs well, with continual Carburetion and ignition problems.

Some interesting data: the piston, as usual for Honda with two compression and one oil scraper rings, weighs 34 g without the pin and rings. The pin, with a diameter of 11 mm weighs 11 g. An inlet valve has a head diameter of 14.5 mm and a stem diameter of 3.8 mm and is 74.4 mm long. Weight: 9 g. Two valve collets and the retainer weigh 1 resp. 3 g. Nobby Clarke said they used tweezers to put the Honda valve gear together.

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