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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet 1951 - rough running
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<blockquote data-quote="RobertWilliam" data-source="post: 2020" data-attributes="member: 641"><p><strong>Comet 1951 - rough running - Update</strong></p><p></p><p><span style="color: black"><span style="font-size: 10px">Hi,</span></span></p><p> </p><p><span style="color: black"><span style="font-size: 10px">I am a new member to the VOC located at Banbury near Oxford. I have acquired a Vincent Comet that I believe to be in good condition although it had not been started for 16 years. Still, what a beautiful motorcycle…</span></span></p><p> </p><p><span style="color: black"><span style="font-size: 10px">I have managed to service, point’s gap, spark plug and lead, bushes on magneto, oil, drain petrol tank and new taps, clean carburettor etc and can start the machine although, there is an occasional backfire through the carb. When I twist the throttle quite heavy the engine starts to die. I can keep the bike ticking over by lightly twisting the throttle but It cannot be ridden as it has no power when the throttle is opened.</span></span></p><p> </p><p><span style="color: black"><span style="font-size: 10px">I have look to adjust the timing and understand the theory of firing before TDC and have scoured the internet for a good guide for this work however I do not understand the practice of physically carrying out this work on the Vincent Comet.</span></span></p><p> </p><p><span style="color: black"><span style="font-size: 10px">Does anyone know of a manual or booklet that explains in pictorial and text format for someone that is not that mechanically minded?</span></span></p><p> </p><p><span style="color: black"><strong><u><em><span style="color: red">Updated</span></em></u></strong></span></p><p> </p><p><span style="color: black">All...Thanks for the comments on my timing problems.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></span></p><p> </p><p><span style="color: black">I look forward to the day I a part of the Vincent Riders Club (VRC) not just the Owners Club (VOC), until then I am part of the Norton Riders Club….</span></p><p> </p><p><span style="color: black">Can you point me to the contact for the Oxford&Bucks section. And if your reading this, It’s a given at our house there is always Beer, Coffee and Bacon Sandwiches on offer</span></p><p> </p><p><span style="color: black">…..In fact I am at the point where I am looking for someone who can do this on a commercial basis if you know of anyone<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" />…..Desperate to get it on the road.</span></p><p> </p><p><span style="color: black"><span style="font-size: 10px">Cheers, </span></span><span style="color: black"><span style="font-size: 10px">Robert.</span></span></p></blockquote><p></p>
[QUOTE="RobertWilliam, post: 2020, member: 641"] [b]Comet 1951 - rough running - Update[/b] [COLOR=black][SIZE=2]Hi,[/SIZE][/COLOR] [COLOR=black][SIZE=2]I am a new member to the VOC located at Banbury near Oxford. I have acquired a Vincent Comet that I believe to be in good condition although it had not been started for 16 years. Still, what a beautiful motorcycle…[/SIZE][/COLOR] [COLOR=black][SIZE=2]I have managed to service, point’s gap, spark plug and lead, bushes on magneto, oil, drain petrol tank and new taps, clean carburettor etc and can start the machine although, there is an occasional backfire through the carb. When I twist the throttle quite heavy the engine starts to die. I can keep the bike ticking over by lightly twisting the throttle but It cannot be ridden as it has no power when the throttle is opened.[/SIZE][/COLOR] [COLOR=black][SIZE=2]I have look to adjust the timing and understand the theory of firing before TDC and have scoured the internet for a good guide for this work however I do not understand the practice of physically carrying out this work on the Vincent Comet.[/SIZE][/COLOR] [COLOR=black][SIZE=2]Does anyone know of a manual or booklet that explains in pictorial and text format for someone that is not that mechanically minded?[/SIZE][/COLOR] [COLOR=black][B][U][I][COLOR=red]Updated[/COLOR][/I][/U][/B][/COLOR] [COLOR=black]All...Thanks for the comments on my timing problems.:)[/COLOR] [COLOR=black]I look forward to the day I a part of the Vincent Riders Club (VRC) not just the Owners Club (VOC), until then I am part of the Norton Riders Club….[/COLOR] [COLOR=black]Can you point me to the contact for the Oxford&Bucks section. And if your reading this, It’s a given at our house there is always Beer, Coffee and Bacon Sandwiches on offer[/COLOR] [COLOR=black]…..In fact I am at the point where I am looking for someone who can do this on a commercial basis if you know of anyone:(…..Desperate to get it on the road.[/COLOR] [COLOR=black][SIZE=2]Cheers, [/SIZE][/COLOR][COLOR=black][SIZE=2]Robert.[/SIZE][/COLOR] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet 1951 - rough running
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