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<blockquote data-quote="oexing" data-source="post: 118329" data-attributes="member: 1493"><p>The 750 GT Duc is quite allright, not so the 860 or 900 cc types. You are lucky to run a Vincent or two but you´d be wrong to expect same mileages from these Ducatis and better be prepared for all sorts of defects. In Italy the brand has no good reputation only for short time joy. The cranks were notoriously short lived, dropping out valve seat rings, noisy engines when high mileages etc. . In the photo a conrod of a 860 GT, around 35 000km , OK, new engine was used for Bavaria to New Delhi and back in 1976 - just, and after a frame change (warranty) a trip to IOM and back - well almost. I towed Max on his 860 GT Duc on the motorway for at least 100 km from Belgium to over the border behind the R 69 S and megaphones after the Duc engine got extremely noisy for fear of exploding any second. </p><p>A few years later Max did a trip to Finland , the Duc had about same mileage done again , 35 000 km, some days it was stuck in 4th gear which healed itself. When the engine got to same noise level as previously Max decided to get a plane flight home. The Duc was collected later by our RAC / ADAC and delivered home for another repair. Problem is material choice for crank pin and conrod, 36 mm pin, paired with oil filter in a bypass, not full flow. </p><p></p><p> Vic</p><p>[ATTACH=full]32995[/ATTACH]</p><p></p><p>[ATTACH=full]32996[/ATTACH]</p></blockquote><p></p>
[QUOTE="oexing, post: 118329, member: 1493"] The 750 GT Duc is quite allright, not so the 860 or 900 cc types. You are lucky to run a Vincent or two but you´d be wrong to expect same mileages from these Ducatis and better be prepared for all sorts of defects. In Italy the brand has no good reputation only for short time joy. The cranks were notoriously short lived, dropping out valve seat rings, noisy engines when high mileages etc. . In the photo a conrod of a 860 GT, around 35 000km , OK, new engine was used for Bavaria to New Delhi and back in 1976 - just, and after a frame change (warranty) a trip to IOM and back - well almost. I towed Max on his 860 GT Duc on the motorway for at least 100 km from Belgium to over the border behind the R 69 S and megaphones after the Duc engine got extremely noisy for fear of exploding any second. A few years later Max did a trip to Finland , the Duc had about same mileage done again , 35 000 km, some days it was stuck in 4th gear which healed itself. When the engine got to same noise level as previously Max decided to get a plane flight home. The Duc was collected later by our RAC / ADAC and delivered home for another repair. Problem is material choice for crank pin and conrod, 36 mm pin, paired with oil filter in a bypass, not full flow. Vic [ATTACH type="full"]32995[/ATTACH] [ATTACH type="full"]32996[/ATTACH] [/QUOTE]
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