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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Measuring Compression Ratio
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<blockquote data-quote="Ducvelo" data-source="post: 41857" data-attributes="member: 2564"><p>Is there a standard way of measuring compression ratios on Shadow (series C)? On my other bike beginning with a V, there is an elaborate ritual of measuring oil, greasing top of piston to seal, and pouring in from measuring cylinders until it just reaches bottom of spark plug hole. This accurate measurement seems to be important (and of course it helps that the cylinder is vertical). But I can't find any talk of this on Vincents. Is accurate setting of compression ratio not important? What's the easiest way of finding out what pistons I have in? And what is general advice on best compression ratio on a shadow - used for fun and trips rather than racing.</p><p>Thanks for thoughts, Malcolm</p></blockquote><p></p>
[QUOTE="Ducvelo, post: 41857, member: 2564"] Is there a standard way of measuring compression ratios on Shadow (series C)? On my other bike beginning with a V, there is an elaborate ritual of measuring oil, greasing top of piston to seal, and pouring in from measuring cylinders until it just reaches bottom of spark plug hole. This accurate measurement seems to be important (and of course it helps that the cylinder is vertical). But I can't find any talk of this on Vincents. Is accurate setting of compression ratio not important? What's the easiest way of finding out what pistons I have in? And what is general advice on best compression ratio on a shadow - used for fun and trips rather than racing. Thanks for thoughts, Malcolm [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Measuring Compression Ratio
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