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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Advice on fitting new petrol taps
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<blockquote data-quote="nkt267" data-source="post: 3257" data-attributes="member: 245"><p>Thinking about fuel starvation. I had to get a new 229 float bowl and before I fitted it I decided to measure the 4 holes in the base union.</p><p>A 1/4inch bore petrol tap has a opening with an area of 0.049 square inches.The 4 holes in the base union appear to be about 0.078thou diameter which would give an area of 0.0047 x 4 = 0.019 square inches.I expect everyone to double check my maths as I'm not always the greatest.But if I am correct fuel starvation from the taps may not be the problem,the size of the union holes may be..</p><p>The holes would need to be opened to 1/8 inch to equal a 1/4 tap.</p></blockquote><p></p>
[QUOTE="nkt267, post: 3257, member: 245"] Thinking about fuel starvation. I had to get a new 229 float bowl and before I fitted it I decided to measure the 4 holes in the base union. A 1/4inch bore petrol tap has a opening with an area of 0.049 square inches.The 4 holes in the base union appear to be about 0.078thou diameter which would give an area of 0.0047 x 4 = 0.019 square inches.I expect everyone to double check my maths as I'm not always the greatest.But if I am correct fuel starvation from the taps may not be the problem,the size of the union holes may be.. The holes would need to be opened to 1/8 inch to equal a 1/4 tap. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Advice on fitting new petrol taps
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