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Does anyone know how many feet of the herringbone hose required to do a complete “C” twin? Both fuel and oil, please..
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When did the factory use plain tubing, and when go over to herringbone? The tatty remains I got with my '49 bike is herringbone.Original hose was smooth. I am not certain when the Factory started using the Herringbone hose, but it looks like it was used in later production.
In the UK it was the norm to date a vehicle made after the motor show as the following year. So, made Nov. 49 it is a 1950 model. Then when plates had an alpha such as VIN 998A they were considered the next year's model after the plate was released, usually August. All very confusing. When was your bike first registered?When did the factory use plain tubing, and when go over to herringbone? The tatty remains I got with my '49 bike is herringbone.
Maybe a silly question, but which date do you put to a bike? Mine was built in October '49, tested in November, and despatched in June '50
As machine registrar I always use the date the bike left the factory as it is an exact date where as a bike took days (or in some cases months) to build so nothing exact with that. The UK DVLA registration authority use the despatch date as well.Maybe a silly question, but which date do you put to a bike? Mine was built in October '49, tested in November, and despatched in June '50
I can only notice that smooth tubing was used in the original photos. I see herringbone in almost all of the 1953 and later photos and none in the photos up to 1951. It is possible that the factory used both as both seemed to be available.When did the factory use plain tubing, and when go over to herringbone?
It was one of the 'warehouse' bikes, and one of a batch of 40 bikes sent to a large dealer in the Brighton area (I think it was Redhill Motors). The registration records are lost, so I don't know when it was actually registered for the road. Probably mid to late 1950. It was registered KUF 5**, which may actually give a date.When was your bike first registered?
Great, how long, how much longer than standard?If the main oil feed pipe A65 is made a bit longer than standard it allows the removal of gearchange cover G1 without disconnecting the bottom banjo bolt. Cheers, Stu.
So plain piping is actually correct for my bike, even though I have tatty herringbone pipe in the bits box. It would also be easier to keep clean.I see herringbone in almost all of the 1953 and later photos and none in the photos up to 1951. It is possible that the factory used both as both seemed to be available.
Assuming that herringbone lines were always available and then at some time became the preferred supplier to the parts department, I could see how herringbone became the "known" standard. However, if you look at early photos of Lightnings and Flashes, the oil lines are smooth.