BSA B31 in Kholapur

mh09ad5578 · 22nd January 2011, 21:57

saw this BSA M20, parked at bhavani mantap in kolhapur. what a beauty and she seemed to be in excellent condition!!!wow couldn't take my eyes off her........proudly displaying her 1942 ancestry!!!!!!!!!!!

elan23 · 24th January 2011, 04:35

Well, it's not an M20.
The fact that it is OHV gies it away as a B31 350cc, moreover the plunger suspension only appeared in 1949.
1942 0n the tank is just wishful thinking.

lockheed · 24th January 2011, 16:05

Yes. This is a 350cc BSA BB31. Early 50's Model. M20's also had plunger frames but that was only towards the end. But from the engine set up this this is confirmed as a BB31.

Mpower · 18th March 2011, 19:15

Whats the difference between a B31 and a BB31? Both are 350s?

deutscheafrikar · 18th March 2011, 20:44

Quote:

Originally Posted by Mpower

Whats the difference between a B31 and a BB31? Both are 350s?

BSA B31 - Wikipedia, the free encyclopedia

Mpower · 19th March 2011, 18:28

ok, so whats a BB31 then?

powertwin · 21st May 2011, 21:50

Quote:

Originally Posted by Mpower

ok, so whats a BB31 then?

The Bike posted is B31 plunger, likely to be '49 or '50.
Even "swing arm " 350cc OHV BSA's was termed B31, till mid 1954, after that same B31 swinging arm Bikes were upgraded with more stiffer suspension & came with a sticky

.."B" ...thus BB31.

* If in doubt check out @ " BSA singles restoration " by Ray Backon
mind, this is book not a link!!

@ Pratap{ lockheed}: Did you notice, the front fender AJS M16 looks cool on this BSA ( just ignoring the Stock, originality & stuff

)

22nd January 2011, 21:57	#1
mh09ad5578 Newbie Join Date: Oct 2008 Location: chitradurga Posts: 14 Thanked: 3 Times	BSA B31 in Kholapur saw this BSA M20, parked at bhavani mantap in kolhapur. what a beauty and she seemed to be in excellent condition!!!wow couldn't take my eyes off her........proudly displaying her 1942 ancestry!!!!!!!!!!! Attached Thumbnails
	() Thanks

24th January 2011, 04:35	#2
elan23 BHPian Join Date: Jan 2010 Location: Durham Posts: 37 Thanked: 2 Times	Re: Vintage and old classic bikes thread. Well, it's not an M20. The fact that it is OHV gies it away as a B31 350cc, moreover the plunger suspension only appeared in 1949. 1942 0n the tank is just wishful thinking.
	() Thanks

24th January 2011, 16:05	#3
lockheed Newbie Join Date: Aug 2010 Location: Coimbatore Posts: 18 Thanked: 10 Times	Re: Vintage and old classic bikes thread. Yes. This is a 350cc BSA BB31. Early 50's Model. M20's also had plunger frames but that was only towards the end. But from the engine set up this this is confirmed as a BB31.
	() Thanks

18th March 2011, 19:15	#4
Mpower Team-BHP Support Join Date: Mar 2005 Location: US/B'lore Posts: 9,380 Thanked: 701 Times View My Garage	Re: BSA B31 in Kholapur Whats the difference between a B31 and a BB31? Both are 350s?
	() Thanks

19th March 2011, 18:28	#6
Mpower Team-BHP Support Join Date: Mar 2005 Location: US/B'lore Posts: 9,380 Thanked: 701 Times View My Garage	Re: BSA B31 in Kholapur ok, so whats a BB31 then?
	() Thanks

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