Good Evening,
I was talking to a friend of mine in Canada last night, and he was telling me of a project that a group of friends were discussing in that a Norton has been fitted with a JAP V twin engine into a 16h frame and because it has come from a Morgan it has been fitted with a Radiator an Inter oil and petrol tank the gearbox is a standard Dolls-head gearbox.
I have a lot of JAP parts and Norton spares but before i think about kicking the project off, i wanted to see if anybody has undertaken anything like this!
Hope you get your views soon
Steve
JAP/Norton
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J.A.P.-Norton. Worthwhile ?
Hi Steve,
The makers of the J.A.P. engines was J.A. Prestwich of Tottenham, London.
If you use the open type pre-war 16H frame, you will need to do some fairly extensive mods to the front down tube to accommodate the front cylinder. A WD 16H will be even more difficult to convert.The best frame to use would be a full cradle that would take a V-twin with-out having to cut it. Depending on which engine you have will determing how good the project will be as a riding experience. Several people have made these specials using the MT 750cc side valve industrial engine, but this only produces the same power as a Norton Big 4. Even a 1,000cc side valve won't be particularly fast. If you want to make this project a prestige machine, the best components would be an 8/50 1,000cc OHV engine in an Inter rolling chassis. A standard Inter petrol tank does not fit the other garden-gate frames easily.
As this post is relevant to the 16H, it might be better in the singles forum.
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Tractor-bilitiy
In the early days of 'Classic Bike' magazine, there was an article about someone who had put a side valve JAP engine into a 16H frame. He had named the bike 'Tracor-bility'
Paul
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You might find it interesting to go to www.vintagenorton.com. Click on ‘Miscellaneous’ in the right hand side bar and then go to the entry of 23/2/16. The photos were taken by me.