A A A
Avatar

Please consider registering
Guest

Search

— Forum Scope —






— Match —





— Forum Options —





Minimum search word length is 3 characters - maximum search word length is 84 characters

Register Lost password?
sp_Feed sp_PrintTopic sp_TopicIcon
B175 Primary Case Dowel Pins
Avatar
Astrauk
First Gear User
Club Member
Forum Posts: 4
Member Since:
January 13, 2021
sp_UserOfflineSmall Offline
1
March 23, 2021 - 6:05 pm
sp_Permalink sp_Print

Hi, just traced the sticking kickstart return problem on my 1970 B175 to a missing primary case rear dowl pin. 
Any suggestions as to where I can get a new one ? Nothing on ebay and Draganfly are on backorder. Part number 90-0108 I believe. 

Avatar
sunny
Norfolk
Top Gear User
Club Member
Forum Posts: 1807
Member Since:
January 9, 2013
sp_UserOfflineSmall Offline
2
March 23, 2021 - 6:29 pm
sp_Permalink sp_Print

dont  know  wy  thay  thers  a back  order   as  thay have  a machen  shop      so  mack one  yourself    from fate  sheet   it  well  keep  you  

fit     P M me  if  you  get  stuck  

Avatar
Ringting
Newport Pagnell
Top Gear User
Club Member
Forum Posts: 66
Member Since:
January 1, 2019
sp_UserOfflineSmall Offline
3
March 24, 2021 - 12:50 pm
sp_Permalink sp_Print

Hi Astruk. I dont know what size they are but you may be able to buy a short length of steel tube off ebay and just cut to required length. The other problem I have with my D14 is if I tighten the rear most cover bolt too a reasonable torque it distorts the cover which tightens up on the kickstart shaft. It's because the gasket doesn't extend in as far as the bolt boss so. I need to make a little gasket ring of the same thickness as the main gasket to fit in there so I can properly tighten the rear cover bolt.   Alan.

D1, D14/4, Guzzi LeMans, Triumph Trident 900, Maserati 160 t4. Mk1 Mini Traveller, Berkeley T60.

Avatar
cocorico
Central France
Top Gear User
Site Member
Forum Posts: 3465
Member Since:
June 23, 2013
sp_UserOfflineSmall Offline
4
March 24, 2021 - 6:55 pm
sp_Permalink sp_Print

I bought a set from Bournemouth Bantams, but I think they were made from 10mm tube as they were just oversize.

Avatar
SpacedMarine
Up north
Top Gear User
Probation (Moderated)
Forum Posts: 765
Member Since:
July 1, 2018
sp_UserOfflineSmall Offline
5
March 24, 2021 - 7:10 pm
sp_Permalink sp_Print

cocorico said
I bought a set from Bournemouth Bantams, but I think they were made from 10mm tube as they were just oversize.  

So what size should they be coco?I'd measure mine but they're currently inside my engine 🤣🤣🤣

I'm guessing if 10mm is oversized the nearest imperial would be 3/8 or 9.53mm but I'm just guessing 

What's 7/16 in mm again?

Avatar
cocorico
Central France
Top Gear User
Site Member
Forum Posts: 3465
Member Since:
June 23, 2013
sp_UserOfflineSmall Offline
6
March 24, 2021 - 9:41 pm
sp_Permalink sp_Print

SpacedMarine said
So what size should they be coco?... 

I don't recall offhand, 3/8" is just under 10 mm, so perhaps that. I'm sure they have been discussed before (FAQs? whistle rofl)  so might be worth a trawl. I'll measure them when I have a chance.

Drill shanks make good size guides, btw.

Avatar
mike p5xbx
E-Sussex
Top Gear User
Site Member
Forum Posts: 1665
Member Since:
June 15, 2012
sp_UserOfflineSmall Offline
7
March 24, 2021 - 11:23 pm
sp_Permalink sp_Print

Its a hollow dowel ext diameter is 3/8 inch measured with a drill bit
internal would be the clearance for the casing bolt to pass through

D? - D10- D14 Bantams 350 AJS -500 Triumph http://bsanotru.....lfire.com/

Avatar
SpacedMarine
Up north
Top Gear User
Probation (Moderated)
Forum Posts: 765
Member Since:
July 1, 2018
sp_UserOfflineSmall Offline
8
March 25, 2021 - 9:32 am
sp_Permalink sp_Print

If your desperate I could knock some up but googling bsa bantam crankcase dowels brought a few results up.If a few people require them I could do a job lot.

What's 7/16 in mm again?

Avatar
Astrauk
First Gear User
Club Member
Forum Posts: 4
Member Since:
January 13, 2021
sp_UserOfflineSmall Offline
9
March 25, 2021 - 12:37 pm
sp_Permalink sp_Print

Thanks for all the replies.

I have just measured up the holes in the primary and r/h crankcase and it is indeed 9.5mm (3/8”) with clearance to allow the retaining bolt, front dowel I’d is 6.5mm

I will get some 10mm mild steel tube and get a colleague to machine it down for me.

Trevor

Avatar
GlenAnderson
Dover
Top Gear User
Club Member
Forum Posts: 411
Member Since:
August 27, 2013
sp_UserOfflineSmall Offline
10
March 25, 2021 - 2:47 pm
sp_Permalink sp_Print

3/8” outside diameter, 5/16” inside. 

The ones listed on eBay, and supplied by the less scrupulous, are just cut from 10mm O/D 8mm I/D tube stock. I have recently returned some, along with a pair of main bearings, listed, priced and pictured as quality ones but actually cheap unbranded rubbish in a plastic bag when they arrived. Caveat Emptor indeed...

Avatar
Astrauk
First Gear User
Club Member
Forum Posts: 4
Member Since:
January 13, 2021
sp_UserOfflineSmall Offline
11
March 25, 2021 - 4:15 pm
sp_Permalink sp_Print

I called Draganfly yesterday morning regarding their “out of stock” dowels (90-0108) and was advised that they will be machined “in house” but no indication as to when this will be done 🥲

looks like my only option is to get a colleague to machine me one from some stock mild steel tubing.

Trevor

Avatar
Stoo63
GLASGOW
Area Rep
Forum Posts: 1239
Member Since:
April 19, 2018
sp_UserOfflineSmall Offline
12
March 25, 2021 - 5:13 pm
sp_Permalink sp_Print

Typicallly, Draganfly and cost you 17.95 +vat for shipping......

 '55 D3 Battery; '58 Square Four (project); '59 D1 direct lighting plunger; '59 Tiger Cub; '60 5TA;  '76 FS1-E; '91 GTR 1000;  '97 Honda Sky SGX50.

Avatar
SpacedMarine
Up north
Top Gear User
Probation (Moderated)
Forum Posts: 765
Member Since:
July 1, 2018
sp_UserOfflineSmall Offline
13
March 25, 2021 - 5:21 pm
sp_Permalink sp_Print

Is

Stoo63 said
Typicallly, Draganfly and cost you 17.95 +vat for shipping......  

That each or for a pair?

What's 7/16 in mm again?

Avatar
mikef
Chatham Kent
Club Technical Advisor
Committee
Forum Posts: 987
Member Since:
September 30, 2011
sp_UserOfflineSmall Offline
14
March 25, 2021 - 5:48 pm
sp_Permalink sp_Print

Hi.
    I've just found one in my box of bits. If you're having trouble getting one made you can have this one for the price of postage.
Just send me a PM with your address and I will send it.
Mike.

Avatar
cocorico
Central France
Top Gear User
Site Member
Forum Posts: 3465
Member Since:
June 23, 2013
sp_UserOfflineSmall Offline
15
March 26, 2021 - 7:52 am
sp_Permalink sp_Print

Here's a useful post from Mags.

** Please log in to view **

Forum Timezone: Europe/London

Most Users Ever Online: 223

Currently Online: BonesCDI
16 Guest(s)

Currently Browsing this Page:
1 Guest(s)

Top Posters:

cocorico: 3465

Cornish Rooster: 3109

bart: 2691

Blue Heeler: 2540

David Dale: 2346

Sprung Chicken: 2292

Piquet: 1975

Mags 1: 1853

sunny: 1807

jess steele: 1672

Newest Members:

Boneidle

Forum Stats:

Groups: 9

Forums: 48

Topics: 11261

Posts: 99724

 

Member Stats:

Guest Posters: 1433

Members: 3269

Moderators: 0

Admins: 3

Administrators: Bantam-Super, JMD, Stoo63