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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Mikuni carbs
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<blockquote data-quote="vibrac" data-source="post: 121858" data-attributes="member: 60"><p>Well this is a rouge unit <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite5" alt=":confused:" title="Confused :confused:" loading="lazy" data-shortname=":confused:" /> I have now examined the needle under a glass, checked the float height (15mm from gasket top face (where gasket would sit) to lever tip (28mm VM)</p><p>checked the lever pivot hole and the pivot pin, no binding, cleaned out the float holes, checked the pins lifted them up an down either with a light touch and then with a flick they always drop down</p><p>Held carb in hand turned on petrol it leaks in a steady stream from 10 degrees each side way and twenty odd front to back.as well as its normal horizontal level </p><p>filled up bowl with petrol floats bob up like it was a fishing day on a smooth lake</p><p>petrol is Esso premium this months.fitted a filter but its all as clean as can be.not much of a head in the tank</p><p>I am a bit lost now, I have a 34mm somewhere I will see if I can replace the immaculate valve assembly I already have with another immaculate one!</p><p>This is the first time I have had any problems with a Mikuni (and I have had a lot) and this one has been on for two years I remember it worked straight from the box</p></blockquote><p></p>
[QUOTE="vibrac, post: 121858, member: 60"] Well this is a rouge unit :confused: I have now examined the needle under a glass, checked the float height (15mm from gasket top face (where gasket would sit) to lever tip (28mm VM) checked the lever pivot hole and the pivot pin, no binding, cleaned out the float holes, checked the pins lifted them up an down either with a light touch and then with a flick they always drop down Held carb in hand turned on petrol it leaks in a steady stream from 10 degrees each side way and twenty odd front to back.as well as its normal horizontal level filled up bowl with petrol floats bob up like it was a fishing day on a smooth lake petrol is Esso premium this months.fitted a filter but its all as clean as can be.not much of a head in the tank I am a bit lost now, I have a 34mm somewhere I will see if I can replace the immaculate valve assembly I already have with another immaculate one! This is the first time I have had any problems with a Mikuni (and I have had a lot) and this one has been on for two years I remember it worked straight from the box [/QUOTE]
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Forums: Public Access
Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Mikuni carbs
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