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Misc: Everything Else Advice needed--what is the order of operations for re-commissioning a Series B that has not run for 2yrs?

Mark Stephenson

Active Website User
VOC Member
Folks
Love your advise. What would be the order of operations for reviving a '50 Series B that previously was in top order, but has not run in 2yrs? I am the soon to be proud new owner and looking to get this bike back on the road. I have read Paul Richardson's Vincent and Know thy Beast and don't see anything on this topic?

Thx Mark
 

MartynG

Well Known and Active Website User
VOC Member
1. Fresh oils and fresh fuel (gas)
2. squirt oil down each pushrod tube
3. Remove the oil quill and squirt oil into the big end , you can put a good cup of oil in there
4. With spark plugs REMOVED start turning the motor over till you see oil being returned to the UFM - use the kick starter or better still a set of powered rollers
5. Check the ignition timing - you want 4 BTDC when fully retarded, for easy starting. .32 to 34 BTDC is good for full advance.
6. Spark Plug Gap 0.018" with magneto 0.025" with points

Don't forget to check the brakes BEFORE you ride off

Once done, all back together and tell us how it went.

Martyn
 

bmetcalf

Well Known and Active Website User
VOC Member
Assuming pre-monobloc carbs, take off the float bowls and squirt carb cleaner up the main jet, into the holes in the inlet, and the hole(s) just above the Mixing Chamber Union Nut. Protect your eyes!
 

Albervin

Well Known and Active Website User
VOC Member
I would make sure the carbs open and close freely. Check fuel bowls for debris and stale fuel varnish. I wouldn't pull the carbs apart unless you have problems starting/running. Besides draining oil tank don't forget the sump and filter. Check gearbox oil level but no real need to drain. The cables may need oiling so check for smooth movement. Depending on what clutch is fitted the plates may need freeing. The battery will probably need replacing if it has not been on a trickle charger. The BTH should be fine. If the bike was sitting on its tyres and they have gone flat then check for flat spots, easily spotted on first ride as it will fell like a pogo stick. I have just recommissioned a bike after two years and because it was laid up properly all of my checks and inspections were superfluous. Fresh oil and fuel two kicks and away.
 
Last edited by a moderator:

MartynG

Well Known and Active Website User
VOC Member
Martyn, Please forgive stupid question #1. The bike has a 12V Alton and a BTH Mag, does this change your suggestion for #5. Also, I note nothing to do with the carbs? Thx Mark
Yes. With the BTH you need to follow their instructions on setting up.

Take note of the notes at the end of the item attached


Al Vincent has given some sound advice re carbs in his post
 

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  • Fitting the BTH to Vincent.pdf
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BigEd

Well Known and Active Website User
VOC Member
VOC Forum Moderator
f
Yes. With the BTH you need to follow their instructions on setting up.
Take note of the notes at the end of the item attached
Al Vincent has given some sound advice re carbs in his post
Should you to remove the end cover don't be tempted to remove the rotor arm as the position is set during manufacture with an air gap between rotor and pick up. A squirt of WD40 or similar will do no harm and keep things clean.
As an aside, in the three photographs showing the magneto being fitted to a Vincent twin the bike belonged to the late Don Alexander, a much-missed member of the Coventry Section.
 

Nigel Spaxman

Well Known and Active Website User
VOC Member
I often find when I re start some of my own bikes after a few years sleep that the spark plugs don't work well. I fix them by heating them up with a propane torch. I try to heat up the center electrode and the porcelain. The side electrode usually ends up glowing red. I put them back in when they are still warm and this makes the bike much easier to start.
 

Mark Stephenson

Active Website User
VOC Member
Folks
Love your advise. What would be the order of operations for reviving a '50 Series B that previously was in top order, but has not run in 2yrs? I am the soon to be proud new owner and looking to get this bike back on the road. I have read Paul Richardson's Vincent and Know thy Beast and don't see anything on this topic?

Thx Mark

Got the bike running and went for a brief ride. So fun. Question. I want to replace the current spark plugs but my spark plug extractor is "normal" size, but he plugs on the bike are a smaller size? Any one know what size that might be so I can get a proper plug extractor?

Thx Mark
 

vibrac

Well Known and Active Website User
VOC Member
Normal! :eek: Normal! o_Oyou cant get anything more normal than a 14mm spark plug:)
The first time I even saw anything different was in the late sixties when Ron Kemp put a 10mm spark plug in the center of his Flash cylinder head to "light the bonfire in the middle" I did not think anything except 14 and 18 mm plugs existed (apart from model airplanes) :D
I believe other motorcycles from "over the water are available with smaller plugs...(even I have one now)
Its a bit like chains and tyres once upon a time it was easy with a limited choice now its just another maze to traverse!
 

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