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Another B44 question... #704593
08/11/17 5:00 am
08/11/17 5:00 am
Joined: Nov 2010
Posts: 734
Sacramento California
R
Rusty Goose Offline OP
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Rusty Goose  Offline OP
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Posts: 734
Sacramento California
I have surfing the internet checking out photos of B44's psyching myself up for another rebuild. It seems there are a lot of bikes with a single speedo and a few with speedo and tach. Did these come from the factory either way or is the pictured tach something added later on?

My bike ('69 B44 VS) wears a 150mph speedo, seems quite optimistic. Would it have originally come with the 120 mph instead?

Rusty


1967 A65 Lightning
1967 Triumph T20 Mountain Cub
1967 Moto Guzzi V7
1969 B44 Victor Special
1966? Royal Enfield Interceptor
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Re: Another B44 question... [Re: Rusty Goose] #704601
08/11/17 7:39 am
08/11/17 7:39 am
Joined: Oct 2008
Posts: 1,681
Canada
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LarryLebel Offline
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Posts: 1,681
Canada
All B44s have a speedometer only and it should be a 120mph speedometer. Not only is your 150 the wrong one it will also be inaccurate unless the drive gear has also been changed to a 15/12 ratio unit. The stock drive gear unit compatible with a 120 speedometer is a 2:1 one. Changing the speedometer without due consideration of the drive gear ratio and turns per mile specification of the speedometer seems to be a common mistake. For a B44 which has a top speed of 90mph even a 120 speedometer is optimistic. Your 69 should have a black face speedometer compared to the grey face model of earlier years,

Last edited by LarryLebel; 08/11/17 7:48 am.
Re: Another B44 question... [Re: Rusty Goose] #704604
08/11/17 8:20 am
08/11/17 8:20 am
Joined: Dec 2004
Posts: 9,375
Scotland
kommando Online content
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kommando  Online Content
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Scotland
The tacho was an option and you need the parts outlined in the parts books, rare as hens teeth and there are more of the B50 versions around which was different to clear the OIF frame but will retro fit to a B44 with ease.

Re: Another B44 question... [Re: Rusty Goose] #704624
08/11/17 2:00 pm
08/11/17 2:00 pm
Joined: Nov 2010
Posts: 734
Sacramento California
R
Rusty Goose Offline OP
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Rusty Goose  Offline OP
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Joined: Nov 2010
Posts: 734
Sacramento California
Thank you gents! I guess a little trading is in order then.


1967 A65 Lightning
1967 Triumph T20 Mountain Cub
1967 Moto Guzzi V7
1969 B44 Victor Special
1966? Royal Enfield Interceptor
Re: Another B44 question... [Re: Rusty Goose] #704631
08/11/17 2:56 pm
08/11/17 2:56 pm
Joined: Oct 2006
Posts: 2,665
Elburn, Ill. USA
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Irish Swede Online content
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Posts: 2,665
Elburn, Ill. USA
B44VS (Victor Special) came with a speedometer only.

I think the "Victor roadster," the street version with the bigger tank and low exhaust, had both speedo and tach.

"150 MPH. Speedometer?' A lot optmistic. Even needing a 120 M.P.,H. speedo is a bit much to believe.
Having had two Victor Specials, even riding one off a cliff it could never achieve THAT speed!

Re: Another B44 question... [Re: Rusty Goose] #704632
08/11/17 3:03 pm
08/11/17 3:03 pm
Joined: Sep 2015
Posts: 312
Kent, England
J
John Alexander Offline
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John Alexander  Offline
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Joined: Sep 2015
Posts: 312
Kent, England
I had a 1968 BSA Starfire which i had tuned by Gander and Gray,Romford, England. It had a speedometer and tacho from a BSA Spitfire 650 , and the drive came from the contact breaker housing, obviously modified.
Goldie John.

Re: Another B44 question... [Re: Rusty Goose] #704639
08/11/17 4:29 pm
08/11/17 4:29 pm
Joined: Dec 2004
Posts: 9,375
Scotland
kommando Online content
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kommando  Online Content
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Posts: 9,375
Scotland
Quote
B44VS (Victor Special) came with a speedometer only.

I think the "Victor roadster," the street version with the bigger tank and low exhaust, had both speedo and tach.


As std both VS and SS came with speedo only, in 69 a hole was added to the crankcase which allowed the fitment as an option for a tacho from that year onwards, this applied equally to the B25 and all variations of B44 for 69 and 70. Not sure if the option was factory fitted or supplied to the dealers as kits, there are OIF B50/B25 kits around so I suspect kits rather than factory fitted but no variation had the Tacho fitted as std. Oddly for 70 the VS came with a 150 speedo and 15/12 speedo gearbox and the SS stayed as 120 mph and 2:1 gearbox as detailed in the parts books, odd for an off road orientated bike to have the higher speed speedo.

1970 brochure with Speedo only SS and VS

[Linked Image]

Re: Another B44 question... [Re: kommando] #704702
08/12/17 8:35 am
08/12/17 8:35 am
Joined: May 2004
Posts: 3,743
Sydney Australia
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BSA_WM20 Offline
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Joined: May 2004
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Sydney Australia
Knowing BSA , most likely because they had an excess of 150 mph speedos


Bike Beesa
Trevor
Re: Another B44 question... [Re: Rusty Goose] #704922
08/13/17 10:35 pm
08/13/17 10:35 pm
Joined: Sep 2008
Posts: 103
Mercer Island, WA / Austin, TX
Rick in Seattle Offline
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Rick in Seattle  Offline
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Mercer Island, WA / Austin, TX
Eight years ago, when I had completed my 1970 Victor restoration, I found a guy on eBay selling a half-dozen or so NOS BSA B44 tachs. I got it in the original packing, complete with mounting bracket and cable. It was in absolutely new condition but dry as a bone. Once lubricated, its been on my Victor working perfectly. I recall it being a bit dear, a few hundred bucks, but it looks and works great.


Rick in Seattle
1970 BSA 441 Victor Special
1972 Norton Commando 750 Combat
1975 Norton 850 Commando Mk3
1960 Triumph TR3A
Re: Another B44 question... [Re: Rick in Seattle] #704964
08/14/17 1:02 pm
08/14/17 1:02 pm
Joined: Aug 2001
Posts: 1,880
The Northwoods... Michigan
Steve Erickson Online content
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The Northwoods... Michigan
As I recall, the tach for the Victor is different from other BSA tachs, has a different ratio than the twins'. 3:1 vs 4:1? The Victor tach is a Triumph ratio, not BSA. Worth knowing if you are acquiring an assembly piece by piece, which also can be done off eBay... with mucho patience.

Re: Another B44 question... [Re: Rusty Goose] #704965
08/14/17 1:17 pm
08/14/17 1:17 pm
Joined: Dec 2004
Posts: 9,375
Scotland
kommando Online content
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Scotland
Yes B44/B25/B50 tacho ratio is the 4:1 variety and so Triumph 4:1 clockwise clocks fit but not the Triumph anticlockwise 2:1, Nortons fit too.

Re: Another B44 question... [Re: Rusty Goose] #705600
08/21/17 1:50 am
08/21/17 1:50 am
Joined: Aug 2017
Posts: 4
Millsboro, Delaware, USA
K
kawabeeza Offline
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Joined: Aug 2017
Posts: 4
Millsboro, Delaware, USA
I own a '69 B44SS (Shooting Star) and it came with a 120 MPH clock when I bought it new. As far as I know, the bike has no provision for a tach drive.

Kawabeeza

Re: Another B44 question... [Re: Rusty Goose] #705613
08/21/17 7:41 am
08/21/17 7:41 am
Joined: Dec 2004
Posts: 9,375
Scotland
kommando Online content
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kommando  Online Content
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Scotland
The 69 engine has a small alloy cover on the front of the timing side crankcase, this is the only indication when no tachometer is fitted, you take the plate off and insert the tachometer drive in the hole revealed by taking the cover off.


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