Author Topic: Clutch parts confusion...  (Read 2935 times)

Offline bikerbob

  • Resident Legend
  • *****
  • Join Date: Feb 2011
  • Posts: 554
  • Karma: 7
Re: Clutch parts confusion...
« Reply #15 on: 18.01. 2015 19:26 »
There are 2 complete 4 spring clutches for A7/A10 for sale on ebay at the moment  type in the following numbers on ebay   261734767797
221417469626
Good Advice
0
No reactions

Offline Johnny J

  • A's Best Friend
  • ***
  • Join Date: Nov 2014
  • Posts: 126
  • Karma: 1
  • A10 Golden Flash 1960
Re: Clutch parts confusion...
« Reply #16 on: 18.01. 2015 20:00 »
Thanks Bob!
The first item number goes to a gold necklace, but there's nothing wrong looking good driving around town. ;-)

Seriously, it seems like they cost around £350 with freight, a healthy sum..
I think I will start by ordering the inner race and if it doesn't sit right I will return it and propably go the 4-spring way.
I mean there was nothing wrong with the clutch before I took things apart.
Good Advice
0
No reactions
   Gothenburg, Sweden

Offline cyclobutch

  • Wise & Enlightened
  • *
  • Join Date: Aug 2010
  • Posts: 1549
  • Karma: 14
Re: Clutch parts confusion...
« Reply #17 on: 19.01. 2015 12:07 »
It's on my list to swap out my 6 spring for something 'better', but it keeps on working dammit. I guess the day will come.
Good Advice
0
No reactions
Warning - observations made by this member have a 93% unreliability rating.

Of Bikes; various, including ...
'58 Iron Head Flash Bitza


Offline bikerbob

  • Resident Legend
  • *****
  • Join Date: Feb 2011
  • Posts: 554
  • Karma: 7
Re: Clutch parts confusion...
« Reply #18 on: 19.01. 2015 16:40 »
 Sorry about that number it should be 261734767796 when I last looked it was at £165 with one bid and 2days to go
Good Advice
0
No reactions

Online morris

  • Wise & Enlightened
  • *
  • Join Date: Aug 2012
  • Posts: 1639
  • Karma: 26
  • Antwerp, Belgium
Re: Clutch parts confusion...
« Reply #19 on: 19.01. 2015 21:37 »
I mean there was nothing wrong with the clutch before I took things apart.
Don't worry Johnny. Happens to me all the time... *smile*
Good Advice
0
No reactions
'58 BSA A 10 SA
'52 BSA A 10 Plunger
'55 MORRIS ISIS
The world looks better from a motorbike
Belgium

Offline Johnny J

  • A's Best Friend
  • ***
  • Join Date: Nov 2014
  • Posts: 126
  • Karma: 1
  • A10 Golden Flash 1960
Re: Clutch parts confusion...
« Reply #20 on: 19.01. 2015 21:56 »
Well, obviously it was "rocking" before as well and it did work alright, but who knows what will happen when I start putting things together. :-)

I have now ordered a new inner race, hopefully I will get it tomorrow or the day after.
If it fits ok I'll see if I can get the clutch working properly, if not I'll propably bid on the used 4-spring.

I have cleaned the friction plates thoroughly, should I put a little bit of oil on them before assembly?
Good Advice
0
No reactions
   Gothenburg, Sweden

Online morris

  • Wise & Enlightened
  • *
  • Join Date: Aug 2012
  • Posts: 1639
  • Karma: 26
  • Antwerp, Belgium
Re: Clutch parts confusion...
« Reply #21 on: 19.01. 2015 22:45 »
Maybe others think otherwise but I'm not oiling them. They get oily soon enough.
Good Advice
0
No reactions
'58 BSA A 10 SA
'52 BSA A 10 Plunger
'55 MORRIS ISIS
The world looks better from a motorbike
Belgium

Online RichardL

  • Outside Chicago, IL
  • Wise & Enlightened
  • *
  • Join Date: Nov 2007
  • Posts: 5154
  • Karma: 49
Re: Clutch parts confusion...
« Reply #22 on: 20.01. 2015 03:42 »
It's a wet clutch. It's going to be soaked in oil (or ATF), and that is how it was designed to work. So, cleaning oil off the plates seems superfluous, unless it's grease.

Richard L.
Good Advice
0
No reactions
Plan on signing up for the world-wide 2020 DISTINGUISHED GENTLEMAN'S RIDEon September 27, 2020. This year it's a solo or pillion ride in dapper attire. Watch website at https://www.gentlemansride.com for details.


Offline unclerob

  • A's Best Friend
  • ***
  • Join Date: Jul 2012
  • Posts: 214
  • Karma: 6
Re: Clutch parts confusion...
« Reply #23 on: 20.01. 2015 11:34 »
If used 4 spring clutches cost that much nowadays I'd bite the bullet and buy a Pearson or Newby one.....I fitted a pearson clutch a year or so ago and can't think of a better upgrade! Granted my original clutch was very much past it but the transformation was astonishing, much nicer gearchanges, never a problem finding neutral etc....plus you get a better oil seal arrangement and theres no need to adjust since spring bolts are just done up tight (unlike the Newby one I think?)
Good Advice
0
No reactions

Offline Johnny J

  • A's Best Friend
  • ***
  • Join Date: Nov 2014
  • Posts: 126
  • Karma: 1
  • A10 Golden Flash 1960
Re: Clutch parts confusion...
« Reply #24 on: 21.01. 2015 16:14 »
Got the new inner race today and it sits much tighter than the old one, even had some problems getting it on.
Have put the clutch together and it rocks much less.
Everything seems to work as it should, so I won't be bidding on the 4-spring...will take that leap at a later stage if necessary.
Good Advice
0
No reactions
   Gothenburg, Sweden

Offline East_Coast_BSA

  • A's Best Friend
  • ***
  • Join Date: Mar 2015
  • Posts: 82
  • Karma: 0
Re: Clutch parts confusion...
« Reply #25 on: 28.03. 2015 06:33 »
My six-spring was a piece of junk.  When I did my restoration, I bit the bullet and bought a four-spring SRM.  It's a "Night and Day" difference.  You can pull it with two fingers and find neutral with the bike running, sitting at a stop light.  They are pricey but well worth the money.
Good Advice
0
No reactions

Offline oldbeezageezer

  • A's Best Friend
  • ***
  • Join Date: Mar 2015
  • Posts: 33
  • Karma: 0
Re: Clutch parts confusion...
« Reply #26 on: 13.08. 2015 12:49 »
I have just purchased and partially fitted an SRM 4 spring to my A10 s/a. I say partially because to fit the pressure plate I need to measure and cut the push rod. The instructions given are, or seem to be for an A50/A65 and I am not sure how to measure the push rod. SRM told me the clutch actuating arm should be 20 - 30 degrees away from gearbox gasket but Haynes says it should be parallel.

Can anyone confirm where the actuating lever should be when clutch disengaged please and how and where I measure push rod.
Thanks
Good Advice
0
No reactions
1954 A10
1972 CB 350 K4
YAMAHA XV750
1999 CBR600

Offline a101960

  • Wise & Enlightened
  • *
  • Join Date: Sep 2007
  • Posts: 1041
  • Karma: 12
  • BSA RGS BSA C12
Re: Clutch parts confusion...
« Reply #27 on: 13.08. 2015 13:23 »
Quote
SRM told me the clutch actuating arm should be 20 - 30 degrees away from gearbox gasket but Haynes says it should be parallel.
SRM are wrong. With the clutch disengaged the actuating arm should be parallel. See the relevant page from the BSA A7 / A10 instruction manual.
Good Advice
0
No reactions

Offline oldbeezageezer

  • A's Best Friend
  • ***
  • Join Date: Mar 2015
  • Posts: 33
  • Karma: 0
Re: Clutch parts confusion...
« Reply #28 on: 13.08. 2015 15:22 »
Thanks for the reply A101960. That is how I set it with the original 6 spring clutch so thought it a bit strange to do the opposite for a new clutch.

Alan
Good Advice
0
No reactions
1954 A10
1972 CB 350 K4
YAMAHA XV750
1999 CBR600

Offline Topdad

  • bob hebdon
  • Wise & Enlightened
  • *
  • Join Date: May 2011
  • Posts: 2250
  • Karma: 32
  • l
Re: Clutch parts confusion...
« Reply #29 on: 13.08. 2015 15:38 »
Erm, I read that as when fully withdrawn ie disengaging the clutch . At that point parallel to the gearbox edge , so  it starts out pointing approx. 30d out from the box edge with a little slack in the cable . Same as a brake , the brake arm is pulled up to obtain max leverage at approx. 90d ,or am I reading that wrong ? Bob
Good Advice
0
No reactions
" rules are made for the guidance of wise men and the blind obediance of fools"
United Kingdom