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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Inconsistent starting
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<blockquote data-quote="teunvandriel" data-source="post: 144720" data-attributes="member: 587"><p>Oh yes, my original 276 carbs are now over 70 years old, I have no idea how many miles the engine has done with them in total. More than 40,000 miles ago, when I did a total overhaul of the engine, I replaced the needles and main jets and I bent the trottle valves, meanwhile the trottle valves are a bit worn on the engine side, new ones are expensive, but the engine still runs fine on them. What I often notice, especially here in Holland with about 200 Vincents of which only 5% is driven more than 100 miles a year, is that these are often equipped with nice modern and expensive Mikuni or Amal Mk 1 1/2 carbs, or other Amal carbs. As soon as the engine hiccups a little or starts a little harder, the old carbs are replaced instead of being cleaned. On most roads here in Holland it is mega busy, almost 18 million people on a piece of land as big as a postage stamp, we don't have any mountains, on the many and often very winding river dykes it is still fine riding (if the many elderly people stay at home with their Ebikes) and then riding my Rapide with small 1 1/16 inch carbs is great. On the highways we are allowed to go up to 100 km/h, but when we can, we pull the old Rapide up to 100 miles/h and almost always together with my wife on the buddy.</p></blockquote><p></p>
[QUOTE="teunvandriel, post: 144720, member: 587"] Oh yes, my original 276 carbs are now over 70 years old, I have no idea how many miles the engine has done with them in total. More than 40,000 miles ago, when I did a total overhaul of the engine, I replaced the needles and main jets and I bent the trottle valves, meanwhile the trottle valves are a bit worn on the engine side, new ones are expensive, but the engine still runs fine on them. What I often notice, especially here in Holland with about 200 Vincents of which only 5% is driven more than 100 miles a year, is that these are often equipped with nice modern and expensive Mikuni or Amal Mk 1 1/2 carbs, or other Amal carbs. As soon as the engine hiccups a little or starts a little harder, the old carbs are replaced instead of being cleaned. On most roads here in Holland it is mega busy, almost 18 million people on a piece of land as big as a postage stamp, we don't have any mountains, on the many and often very winding river dykes it is still fine riding (if the many elderly people stay at home with their Ebikes) and then riding my Rapide with small 1 1/16 inch carbs is great. On the highways we are allowed to go up to 100 km/h, but when we can, we pull the old Rapide up to 100 miles/h and almost always together with my wife on the buddy. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Inconsistent starting
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