HELP PLEASEUp to Light Twins
HELP PLEASEPosted by Kay Chambers at Monday 14:44
In the process of building a Jubilee from a box of bits and now confused. I have 3 barrels and 3 heads.
Barrels id numbers 20749/20747/lh-rh 20717?
Heads X 20717rh-am X20715lh-am also 22941rh
I believe x20717/15 are Jubilee is the barrels 20749/47 are these the correct ones? Plus is 22941 also Jubilee? as this is in better condition.
Please can anybody advise as desperate.
Re: HELP PLEASEPosted by patrick_mullen at Monday 19:58
These numbers are casting numbers and in the case of the cylinder heads I believe that X20715 and X20717 are Jubilee heads. The other head is probably from a Navigator.
Measure the bore of the barrels to be certain- 60mm bore size is Jubilee-. I checked a couple of spare barrels here but the number is not clear on either of them. I was once told that a casting number commencing with 20 indicated a Jubilee part but I wouldn't want to swear to that info.
Also check that the heads and barrels match - some have spigots on the barrels and some don't.
Re: HELP PLEASEPosted by Dan Field at Monday 22:24
I have some heads if you get stuck
Re: HELP PLEASEPosted by andy_sochanik at Monday 23:49
The heads marked 'X'(number) are for the Jubilee model.
22941rh is probably for a Navigator (not Jubilee) - but might also be for an Electra depending on a couple of points.
Separate cylinder barrels are for a Jubilee - the Navigator (& Electra) has a cylinder block.
The L/H cylinder barrel has regular finning (above the primary chaincase).
The other barrel (R/H) has the bottom fins cut away to allow for the timing cover - see photo.
As Patrick says - make sure the heads & barrels match..
The barrels should have spigots at the top, and the heads should have recesses to match.
Drop me a line at firstname.lastname@example.org for any more info.
Re: HELP PLEASEPosted by patrick_mullen at Tuesday 09:24
That is one good looking Jubilee and very much a credit to someone. Green & Dove Grey do go together so well - I wonder why Norton produced so few in these colours. Shame it isn't BRG as it would make a perfect match for my MGBs.