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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Annoying 289 Carburettor Leak
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<blockquote data-quote="poor1" data-source="post: 140315" data-attributes="member: 663"><p><strong>I think I've fixed it thanks to all the suggestions received.</strong></p><p><strong>A combination of tilting the float chamber and a gentle bedding in of the float valve with silver polish seems to have cured it. I would put my money on the lowering of the float chamber.</strong></p><p><strong>It will still weep when the float chamber if flooded but that is to be expected, but it does not weep when the engine is running.</strong></p><p><strong>It was a first time start up after a lot of work on the engine for about three years and it fired first time. Need to sort the wiring out now because although the lights are working and the ammeter is showing a discharge when the lights are on and there is no movement of the needle with the engine running so I am not getting a charge, but I'm not surprised because I have rewired it and I may have the polarity the wrong way round.</strong></p><p><strong>On the subject of petrol leaks it would not be tolerated in todays motor vehicles. Ask yourself whether you have ever had a fuel leak on your car or modern motor cycle other than on the lines maybe. It's a wonder more of these old bikes have not gone up in smoke.</strong></p><p><strong>PS: I do have one of those excellent Dave Hills stainless steel centre stands. Bless his heart he was so helpful..</strong></p><p><strong>The only other observation I have on these Vincents is the uncomfortable riding position for anyone six foot tall. The footrests are far too high and my knees are way above the tank and the legs bent at far too acute an angle and no adjustment for height.</strong></p></blockquote><p></p>
[QUOTE="poor1, post: 140315, member: 663"] [B]I think I've fixed it thanks to all the suggestions received. A combination of tilting the float chamber and a gentle bedding in of the float valve with silver polish seems to have cured it. I would put my money on the lowering of the float chamber. It will still weep when the float chamber if flooded but that is to be expected, but it does not weep when the engine is running. It was a first time start up after a lot of work on the engine for about three years and it fired first time. Need to sort the wiring out now because although the lights are working and the ammeter is showing a discharge when the lights are on and there is no movement of the needle with the engine running so I am not getting a charge, but I'm not surprised because I have rewired it and I may have the polarity the wrong way round. On the subject of petrol leaks it would not be tolerated in todays motor vehicles. Ask yourself whether you have ever had a fuel leak on your car or modern motor cycle other than on the lines maybe. It's a wonder more of these old bikes have not gone up in smoke. PS: I do have one of those excellent Dave Hills stainless steel centre stands. Bless his heart he was so helpful.. The only other observation I have on these Vincents is the uncomfortable riding position for anyone six foot tall. The footrests are far too high and my knees are way above the tank and the legs bent at far too acute an angle and no adjustment for height.[/B] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Annoying 289 Carburettor Leak
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