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loment11
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neb clutch #675130
11/21/16 5:48 pm
11/21/16 5:48 pm
Joined: Sep 2009
Posts: 628
SEATTLE WA
S
SEATTLE GS Offline OP
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SEATTLE GS  Offline OP
BritBike Forum member
S
Joined: Sep 2009
Posts: 628
SEATTLE WA
Any reviews of the NEB clutch / belt drive? It looks good and considerably cheaper than the Newby version/

BSA Gold Star eBay items

BSA Gold Star forum This board is dedicated to BSA Gold Star motorcycles.

Re: neb clutch [Re: SEATTLE GS] #675155
11/21/16 11:54 pm
11/21/16 11:54 pm
Joined: Jun 2016
Posts: 43
Boise, Idaho USA
T
ToolBox Dave Online content
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ToolBox Dave  Online Content
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Joined: Jun 2016
Posts: 43
Boise, Idaho USA
I too have been looking at the NEB clutch. Any information or opinions on belt driven clutches from the Gold Star collective would be great.

Last edited by ToolBox Dave; 11/21/16 11:58 pm.

1961 BSA DBD34 Clubman
1966 Triumph T120TT
1972 Rickman 250MX


Re: neb clutch [Re: SEATTLE GS] #675185
11/22/16 11:11 am
11/22/16 11:11 am
Joined: Feb 2012
Posts: 1,212
Middle East,
Kerry W Offline
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Kerry W  Offline
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Posts: 1,212
Middle East,
Isn't 'NEB' Bob Newby's initials, arranged backwards?


No generalisation is wholly true, not even this one.
Oliver Wendell Holmes
Re: neb clutch [Re: SEATTLE GS] #675193
11/22/16 11:49 am
11/22/16 11:49 am
Joined: Dec 2004
Posts: 9,073
Scotland
kommando Online content
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kommando  Online Content
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Scotland
Doubt it as NEB do a lot more than on Bob's site, B44 barrels and cranks is one.

A full list is here

http://www.joemaxwell-engineering.com/neb_pricelist.html

Re: neb clutch [Re: SEATTLE GS] #675238
11/22/16 7:03 pm
11/22/16 7:03 pm
Joined: Sep 2009
Posts: 628
SEATTLE WA
S
SEATTLE GS Offline OP
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SEATTLE GS  Offline OP
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S
Joined: Sep 2009
Posts: 628
SEATTLE WA
I bought one of NEBs crankshafts for my CB a year ago and it looks really good. However, when it arrived one end was hanging out of the box. I emailed them about improving their packing methods.

Re: neb clutch [Re: SEATTLE GS] #675397
11/24/16 12:14 am
11/24/16 12:14 am
Joined: Feb 2012
Posts: 1,212
Middle East,
Kerry W Offline
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Kerry W  Offline
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Joined: Feb 2012
Posts: 1,212
Middle East,
That'd be disappointing. I bought an NEB crank 25 years ago and it came in a very nice wooden box - in which it subsequently did 2 international moves before it was used (20 years later!)


No generalisation is wholly true, not even this one.
Oliver Wendell Holmes
Re: neb clutch [Re: SEATTLE GS] #676281
12/02/16 4:17 pm
12/02/16 4:17 pm
Joined: Sep 2009
Posts: 628
SEATTLE WA
S
SEATTLE GS Offline OP
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SEATTLE GS  Offline OP
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Joined: Sep 2009
Posts: 628
SEATTLE WA
absolutely NO ONE has tried the clutch?

Re: neb clutch [Re: SEATTLE GS] #676309
12/02/16 7:35 pm
12/02/16 7:35 pm
Joined: Aug 2015
Posts: 1,009
Bolton Lancs UK
A
Andy Higham Online content
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Andy Higham  Online Content
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Posts: 1,009
Bolton Lancs UK
A large proportion of speedway/grasstrack bikes use NEB clutches they appear pretty bulletproof. Different plates are available, pink/soft, brown/med, green/hard so you can adapt the take up to your liking


1955 BSA B31 400cc "Stargazer"
1962 Greeves 200cc "Blue Meanie"
1962/67 Greeves 350cc
1967 Greeves 360cc Challenger
1984 Suzuki GSX1100 EFE "Sorcerers Apprentice"
GM500cc sprint/LSR bike "Deofol"
Jawa 500cc grasstrack
2003 Aprilia RSV Mille "Lo Stregone"
Re: neb clutch [Re: SEATTLE GS] #676311
12/02/16 7:40 pm
12/02/16 7:40 pm
Joined: Aug 2015
Posts: 1,009
Bolton Lancs UK
A
Andy Higham Online content
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Andy Higham  Online Content
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A
Joined: Aug 2015
Posts: 1,009
Bolton Lancs UK
Newby clutches also use the same plates


1955 BSA B31 400cc "Stargazer"
1962 Greeves 200cc "Blue Meanie"
1962/67 Greeves 350cc
1967 Greeves 360cc Challenger
1984 Suzuki GSX1100 EFE "Sorcerers Apprentice"
GM500cc sprint/LSR bike "Deofol"
Jawa 500cc grasstrack
2003 Aprilia RSV Mille "Lo Stregone"
Re: neb clutch [Re: SEATTLE GS] #676354
12/03/16 5:40 am
12/03/16 5:40 am
Joined: Jun 2015
Posts: 4
UK
G
GS John Offline
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GS John  Offline
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G
Joined: Jun 2015
Posts: 4
UK
Hi
I have NEB clutches on both my Gold Stars with RRT2 boxes.
They are far superior to the BSA items, with a large roller bearing supporting the clutch drum, superior plates and a large "mushroom" to actuate the clutch.
As has been mentioned, they are used on most speedway bikes for quick getaways and bikes with much more bhp than a Gold Star. Believe it is based on the Jawa speedway bike design.

Having said all this, I was told by the rider of the 100mph Gold Star at the Isle of Man
that the Newby clutch is superior, but I think this is only marginal.
John

Re: neb clutch [Re: SEATTLE GS] #676387
12/03/16 2:19 pm
12/03/16 2:19 pm
Joined: Sep 2009
Posts: 628
SEATTLE WA
S
SEATTLE GS Offline OP
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SEATTLE GS  Offline OP
BritBike Forum member
S
Joined: Sep 2009
Posts: 628
SEATTLE WA
It sounds like I will buy one, then. thanks

Re: neb clutch [Re: SEATTLE GS] #677853
12/15/16 8:36 pm
12/15/16 8:36 pm
Joined: Feb 2015
Posts: 119
UK
F
flowboy Offline
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flowboy  Offline
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F
Joined: Feb 2015
Posts: 119
UK
I don't think you'll be disappointed. Pretty certain a lot of the British Goldie (& other classics) racers use NEB clutches - in another league to the BSA clutch. They're pretty good kit. I expect the Newby is comparable.
The only issue might be - if you're not racing but using original chaincases - is will it fit inside them? I have a feeling a narrower belt & front pulley might be required due to space limitations? Might be worth getting some dimensions.
Perhaps someone will have experience of this?


na
Re: neb clutch [Re: SEATTLE GS] #677904
12/16/16 5:46 am
12/16/16 5:46 am
Joined: Jun 2015
Posts: 4
UK
G
GS John Offline
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GS John  Offline
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Joined: Jun 2015
Posts: 4
UK
Either version: chain or belt will fit within the chances.

Re: neb clutch [Re: GS John] #677912
12/16/16 7:35 am
12/16/16 7:35 am
Joined: May 2011
Posts: 432
england
G
GS DAVE Offline
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GS DAVE  Offline
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Joined: May 2011
Posts: 432
england
They are quite a tight fit, I made a spacer for between the crank case and inner primary.
Then reduced the spacer between the inner primary and the frame near the foot pegs.


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