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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Egli 500 Special
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<blockquote data-quote="davidd" data-source="post: 96805" data-attributes="member: 1177"><p>Ben,</p><p></p><p>The problem with identifying the frame is that the frame jig Cyril used was originally made by the Smiths to make an Egli frame that was called "Sprint". Sprint is still around and still owned by Dennis Smith. Cyril bought it and used it for a few decades. Cyril was trained at Atlantic Motors, famous for formula 1 cars, and their fabricators were the best. Cyril worked under the name CTG. Five or six years ago he sold the jig to CGA, who I think is in Bournemouth. I don't know how many they have produced. </p><p></p><p>Of course, all these frames look alike. They use of the same jig which will cause them to be built similarly.</p><p>It looks like you have a removable end cap on the oil tank near the seat and I don't know if Cyril ever did one of those. Also, Cyril's front motor mounts are triangular and yours are not.</p><p>[ATTACH=full]22552[/ATTACH]</p><p>This is the CGA frame. It has Cyril's touches like the back of the oil tank with the bevel on the top tube. Also those front motor mounts that are triangular compared to your motor mounts.</p><p></p><p>So, Now that I can see the whole frame, I am not sure who built it. I wish I could be of more help, but at least you know some more details that you can be looking for.</p><p></p><p>Other parts on your bike: the manifold looks like a stock Grey Flash/Lightning front manifold. The head lug, that holds your motor to the the frame is aluminum, so it is a replacement for the stock steel item. I like the tank. Normally the tank mount is a stud in back of the filler cap.</p><p>[ATTACH=full]22553[/ATTACH]</p><p></p><p>[ATTACH=full]22554[/ATTACH]</p><p></p><p>David</p></blockquote><p></p>
[QUOTE="davidd, post: 96805, member: 1177"] Ben, The problem with identifying the frame is that the frame jig Cyril used was originally made by the Smiths to make an Egli frame that was called "Sprint". Sprint is still around and still owned by Dennis Smith. Cyril bought it and used it for a few decades. Cyril was trained at Atlantic Motors, famous for formula 1 cars, and their fabricators were the best. Cyril worked under the name CTG. Five or six years ago he sold the jig to CGA, who I think is in Bournemouth. I don't know how many they have produced. Of course, all these frames look alike. They use of the same jig which will cause them to be built similarly. It looks like you have a removable end cap on the oil tank near the seat and I don't know if Cyril ever did one of those. Also, Cyril's front motor mounts are triangular and yours are not. [ATTACH=full]22552[/ATTACH] This is the CGA frame. It has Cyril's touches like the back of the oil tank with the bevel on the top tube. Also those front motor mounts that are triangular compared to your motor mounts. So, Now that I can see the whole frame, I am not sure who built it. I wish I could be of more help, but at least you know some more details that you can be looking for. Other parts on your bike: the manifold looks like a stock Grey Flash/Lightning front manifold. The head lug, that holds your motor to the the frame is aluminum, so it is a replacement for the stock steel item. I like the tank. Normally the tank mount is a stud in back of the filler cap. [ATTACH=full]22553[/ATTACH] [ATTACH=full]22554[/ATTACH] David [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Egli 500 Special
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