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
Avatar
brian hardy
New User
Club Member
Forum Posts: 4
Member Since:
August 27, 2016
sp_UserOfflineSmall Offline
1
July 14, 2017 - 6:27 pm
sp_Permalink sp_Print

Hi am a newbee just trying to start my bsa b175 when i looked underneath wgere the cable is clipped  there seems to b n hole is this a drain plug missing n why im not getting a spark an what size bolt do i need

Avatar
wildun
South Lincolnshire.
Forum User
Club Member
Forum Posts: 116
Member Since:
April 30, 2012
sp_UserOfflineSmall Offline
2
July 14, 2017 - 10:46 pm
sp_Permalink sp_Print

Not completely sure on your missing bolt, photo needed. But nothing under there will affect your spark unless the wire to the points is broken.

1951 Bantam D1 125, 1970 Bantam B175, 1990 Mz ETZ250, 1993 Mz Saxon 301, 1995 Yamaha Diversion 900 and 2012 Piaggio X10 350 scooter. Horses for courses, all very different to each other, but a bike for every occasion.

Avatar
Peterg
Forum User
Site Member
Forum Posts: 927
Member Since:
October 1, 2012
sp_UserOfflineSmall Offline
3
July 14, 2017 - 11:08 pm
sp_Permalink sp_Print

Sounds like the rubber grommet that the points cable goes through into the timing case. They rot out and are usually not replaced (I haven't anyway). Doesn't affect the engine unless the cable chafes and shorts out.

Avatar
Mags 1
Northamptonshire.
Forum User
Site Member
Forum Posts: 1923
Member Since:
August 24, 2013
sp_UserOfflineSmall Offline
4
July 15, 2017 - 10:36 am
sp_Permalink sp_Print

Could be the tapped hole that normally carries the little clamp to hold points wire?

Four now on the road and at least several in bits.

Avatar
Mannanan
Leigh On Sea, Essex. Uk.
Forum User
Club Member
Forum Posts: 38
Member Since:
December 24, 2016
sp_UserOfflineSmall Offline
5
July 15, 2017 - 12:49 pm
sp_Permalink sp_Print

You say the cable is clipped so I would presume it's not the clip hole you are talking about. If it's a large threaded hole I immediately think of the gearbox oil drain plug but then you wouldn't be trying to start it without oil in there. I think that only leaves a smaller threaded hole more towards the left hand side which is for the crankcase drain plug.

Avatar
nickjaxe
Runcorn Cheshire UK
Forum User
Club Member
Forum Posts: 1169
Member Since:
February 24, 2015
sp_UserOfflineSmall Offline
6
July 15, 2017 - 3:58 pm
sp_Permalink sp_Print sp_EditHistory

Hi Brian...There are indeed 2 drain plugs...as you say a crankcase and a gearbox...just bought a new gearbox drain plug from Rex Caunt...£4.50 inc washer and post...its quite a bit bigger than the crankcase...behind and on the other side from the crankcase plug.

Straight SAE 40 engine oil in the gearbox.

What part of the country are you?

Nick.

My Bantam video              https://www.youtube.com/watch?v=jjpOFmzRZRI

Avatar
b175er
saltfleetby
Forum User
Club Member
Forum Posts: 304
Member Since:
October 18, 2013
sp_UserOfflineSmall Offline
7
July 17, 2017 - 2:52 pm
sp_Permalink sp_Print

SAE 40 or 20/50. I always use Castrol GTX and my gearbox still works ! Ken.

Avatar
mike p5xbx
E-Sussex
Forum User
Site Member
Forum Posts: 1087
Member Since:
June 15, 2012
sp_UserOfflineSmall Offline
8
July 17, 2017 - 4:52 pm
sp_Permalink sp_Print

Fuch do a gearbox oil specifically for bikes with wet clutches
why use an oil designed for a different purpose, i.e 20/50 engine oil with Friction Modifiers

D? - D10- D14 Bantams 350 AJS -500 Triumph http://bsanotrun.angelfire.com/

Avatar
Peterg
Forum User
Site Member
Forum Posts: 927
Member Since:
October 1, 2012
sp_UserOfflineSmall Offline
9
July 17, 2017 - 5:08 pm
sp_Permalink sp_Print

I have a feeling that there is a blank threaded hole on the four speeders where the drain plug on the three speed gearbox used to be.

I use light 75w gearbox oil that is compatible with wet clutches. Works out at roughly 30 sae engine oil. Not keen on 40 sae engine oil. I find the clutch plates slick together if the bike is left unused.

Avatar
b175er
saltfleetby
Forum User
Club Member
Forum Posts: 304
Member Since:
October 18, 2013
sp_UserOfflineSmall Offline
10
July 18, 2017 - 2:19 pm
sp_Permalink sp_Print sp_EditHistory

mike p5xbx said
Fuch do a gearbox oil specifically for bikes with wet clutches
why use an oil designed for a different purpose, i.e 20/50 engine oil with Friction Modifiers  

Well, that's put me in my place ! However, on the lubrication page of my trusty Haynes manual (copies of which have kept me in good stead over my many years of motorcycle ownership) it says "Gearbox ... SAE40 motor oil or 20/50 engine oil ... (Correct Castrol Product) Castrol GTX". And that's why I use it. And although I maybe don't do the mileage that some do on their Bantams I've done six and a half thousand miles in the last two years and my gears seem to work well enough and I've not had any clutch slip (so far). Each to his own, though. Ken.

Avatar
mike p5xbx
E-Sussex
Forum User
Site Member
Forum Posts: 1087
Member Since:
June 15, 2012
sp_UserOfflineSmall Offline
11
July 18, 2017 - 4:33 pm
sp_Permalink sp_Print

b175er said

Well, that's put me in my place !

  

Ken
really that was not directed at you personalty if you are not getting clutch slip or drag thats fine its your bike use whatever works for you
im just a ocd about doing things properly, if you had a car with an auto box (some difference multiple wet clutches) would you put engine oil in it ?
If you look on the web you will find lots of people complaining of clutch slip and fitting heavy duty springs, not necessary at all if you use an oil comparable with a wet clutch

lubrication page of my trusty Haynes manual

Often called the book of Lies, I only believe the photos laugh

D? - D10- D14 Bantams 350 AJS -500 Triumph http://bsanotrun.angelfire.com/

Avatar
b175er
saltfleetby
Forum User
Club Member
Forum Posts: 304
Member Since:
October 18, 2013
sp_UserOfflineSmall Offline
12
July 18, 2017 - 6:11 pm
sp_Permalink sp_Print

"if I had a car with an auto box (some difference multiple wet clutches) would I put engine oil in it ?"

I'd just use what the manual said !

and although the Haynes manuals may not be very highly thought of by some people I bet most of us have got one - and have used it.

Avatar
b175er
saltfleetby
Forum User
Club Member
Forum Posts: 304
Member Since:
October 18, 2013
sp_UserOfflineSmall Offline
13
July 18, 2017 - 6:20 pm
sp_Permalink sp_Print

Maybe it's the fact that I only weigh ten and three quarter stones but the clutch on the CG125 I used for several years never slipped with GTX, either. I think we'll have to agree to not agree about the oil and the manual and just keep using our Bantams ! Ken.

Forum Timezone: Europe/London

Most Users Ever Online: 98

Currently Online:
26 Guest(s)

Currently Browsing this Page:
1 Guest(s)

Top Posters:

Cornish Rooster: 3304

Anderzander: 3190

bart: 3100

Sprung Chicken: 2645

david dale: 2495

Munchkin: 2143

Katj: 2139

HowD1: 1936

Mags 1: 1923

jess steele: 1895

Newest Members:

golfcarmad

Forum Stats:

Groups: 9

Forums: 44

Topics: 10223

Posts: 88669

 

Member Stats:

Guest Posters: 416

Members: 1735

Moderators: 5

Admins: 3

Administrators: Piquet, JMD, Rusty Floater

Moderators: cocorico, cadetchris, Derek's D5, Maddog Leary, xcgb