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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Vincent Float Bowl Setting 289's
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<blockquote data-quote="CarlHungness" data-source="post: 173881" data-attributes="member: 2517"><p>The first thing to understand is I don't know precisely what I'm doing and trying best I can to learn and effect a cure for starting my twin. As noted earlier there are about 16 pages of suggestions as what to do, and it sure seems as though my problem lies with fuel delivery as I'm now sure as I can be that good spark is being delivered, on time as it should be.</p><p> Thus I'm attempting to ascertain float height and from what I've been told, and read I am attempting to do a test, which I did, which wasn't particularly successful, so I'm on bended knee asking for advice.</p><p> I have another rear carb banjo in stock, so I removed the banjo that was in place, replaced it with the spare, hooked up a feed line, then another line that I was hoping would show me the level of fuel inserted into the float bowl itself.</p><p> I poured fuel into the feed line, and instantaneously the fuel entered the second line! I could see that the entries into the float itself are small holes captured by the top bolt, so I waited, hoping to see fuel enter the float bowl itself. It didn't happen. I didn't seem to be getting any fuel into the float chamber, but the second line was filling. I popped off the feed bolt and can see the point of the needle 'high' on the float bowl and (surmised) that possible <em>some </em>fuel was entering. What to do next? Not a clue. I removed the bowl from the carb and tried to empty it..and it just doesn't seem to have much fuel in it. While it was on the bike I depressed the tickler, and it<em> seemed</em> as though the tickler was touching the float itself. So what's my next step. The needle doesn't have any adjustment, just a single clip holding the float in place. Here's some pics of my set up so seeking suggestions.</p></blockquote><p></p>
[QUOTE="CarlHungness, post: 173881, member: 2517"] The first thing to understand is I don't know precisely what I'm doing and trying best I can to learn and effect a cure for starting my twin. As noted earlier there are about 16 pages of suggestions as what to do, and it sure seems as though my problem lies with fuel delivery as I'm now sure as I can be that good spark is being delivered, on time as it should be. Thus I'm attempting to ascertain float height and from what I've been told, and read I am attempting to do a test, which I did, which wasn't particularly successful, so I'm on bended knee asking for advice. I have another rear carb banjo in stock, so I removed the banjo that was in place, replaced it with the spare, hooked up a feed line, then another line that I was hoping would show me the level of fuel inserted into the float bowl itself. I poured fuel into the feed line, and instantaneously the fuel entered the second line! I could see that the entries into the float itself are small holes captured by the top bolt, so I waited, hoping to see fuel enter the float bowl itself. It didn't happen. I didn't seem to be getting any fuel into the float chamber, but the second line was filling. I popped off the feed bolt and can see the point of the needle 'high' on the float bowl and (surmised) that possible [I]some [/I]fuel was entering. What to do next? Not a clue. I removed the bowl from the carb and tried to empty it..and it just doesn't seem to have much fuel in it. While it was on the bike I depressed the tickler, and it[I] seemed[/I] as though the tickler was touching the float itself. So what's my next step. The needle doesn't have any adjustment, just a single clip holding the float in place. Here's some pics of my set up so seeking suggestions. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Vincent Float Bowl Setting 289's
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