Search found 502 matches

by SteveS
Tue Jun 15, 2021 4:40 pm
Forum: Project bikes
Topic: B50/44 Hybrid
Replies: 40
Views: 7617

Re: B50/44 Hybrid

. Hi Claus . There was only one type of B50 Grab Rail produced. The drawing of the B50 grab rail is incorrect in the parts book (they drew the A65 variant), the B50 item has parallel sides, not bent, see pic below: . Grab Rails.jpg . Grab Rail dimensions.jpg . I've rounded the measurements a little...
by SteveS
Sat Jun 12, 2021 10:24 am
Forum: Tech
Topic: where to place Boyer ignition Box
Replies: 3
Views: 193

Re: where to place Boyer ignition Box

Hi Colin I've not used a Boyer ignition system on any of my recent projects so I am unable to comment directly. However I have fitted a couple of the Wassell / Vape units (which I believe use the same technology?). These units are supplied with a 900mm (3') length of cable to connect between the tra...
by SteveS
Thu Jun 10, 2021 4:44 pm
Forum: Off topic
Topic: B65 Mongrel
Replies: 30
Views: 15082

Re: B65 Mongrel

. Made some progress with the chainguard. The OEM Y*maha product is quite rare, very expensive and made from plastic so I decided to make one from some aluminium 'U' channel - 1.1/4" x 2" x 1/8" x 600mm. First I radiused the two long edges . 1. Starting Point.jpg . Next I slit the edges of the chan...
by SteveS
Fri Jun 04, 2021 8:53 am
Forum: Tech
Topic: clutch springs '' Ends ''
Replies: 5
Views: 271

Re: clutch springs '' Ends ''

. Hi François . As far as I am aware all the BSA clutch springs were ground flat at both ends and the spring cups had an indent at the top (3), to prevent the cup rotating against the clutch outer cover plate and an indent at the bottom (2 - not very clear in pic) which engages with the step in the...
by SteveS
Tue Jun 01, 2021 8:42 pm
Forum: Tech
Topic: Inner Tubes
Replies: 11
Views: 393

Re: Inner Tubes

Hi Jeff Do you think it's likely I pinched the tube during fitting as I thought is was a manufacturing fault? Maybe I should invest in the tool you indicated, sadly no longer made. Some detail here on how to make your own 'Breezer Or this one looks like an updated version made from plastic rather th...
by SteveS
Tue Jun 01, 2021 1:58 pm
Forum: Tech
Topic: Inner Tubes
Replies: 11
Views: 393

Re: Inner Tubes

How expensive?
£17GBP approx $24USD :shock:
by SteveS
Mon May 31, 2021 8:35 am
Forum: Tech
Topic: Inner Tubes
Replies: 11
Views: 393

Re: Inner Tubes

Thanks for the assistance with recommendations and fitting procedure :thumb

I've ordered a Pirelli Ultra Heavy Duty 3mm thick
by SteveS
Sun May 30, 2021 10:58 am
Forum: Tech
Topic: Inner Tubes
Replies: 11
Views: 393

Inner Tubes

. Hi . Purchased an inner tube from ebay last year, sold as an unbranded make to suit 18" x 4.00" tyre. Fitted it to the wheel on my project bike so I could move the bike around the workshop. Noticed yesterday that the tyre was flat, tried to inflate but it would not hold air. After checking the va...
by SteveS
Wed May 26, 2021 7:29 am
Forum: Project bikes
Topic: 1972 B50 SS Return to Flight .
Replies: 101
Views: 16358

Re: 1972 B50 SS Return to Flight .

+1 the brackets were originally finished in black gloss
by SteveS
Mon May 24, 2021 12:03 pm
Forum: Off topic
Topic: Trailer
Replies: 7
Views: 2574

Re: Trailer

. Hi Basil . BSA used 'Oddie' fasteners not 'Dzus' but everyone seems to interchange the names as both are quarter turn to lock / release. I'm fairly sure the Oddie studs have always had a very narrow slot. The 'Dzus' fasteners on my Cheney Aberg have a wider slot that will accept a coin. . Oddie h...
by SteveS
Mon May 24, 2021 10:10 am
Forum: Tech
Topic: Amal mark 1 choke logic
Replies: 7
Views: 521

Re: Amal mark 1 choke logic

Ted Bloomfield of MCS
There's a name from the past...takes me back to my youth :smile: RIP Ted
by SteveS
Fri May 21, 2021 11:35 am
Forum: Off topic
Topic: B65 Mongrel
Replies: 30
Views: 15082

Re: B65 Mongrel

. Hi Claus . Yes it had crossed my mind about the change to frame geometry. The steering head is about 1/2" (12.5mm) higher than before so I don't think there will be much effect (?). However I need to make up some steering stem spacers for the fork yokes I am using, so I can adjust their size to c...
by SteveS
Thu May 20, 2021 4:38 pm
Forum: Off topic
Topic: B65 Mongrel
Replies: 30
Views: 15082

Re: B65 Mongrel

. I've been messing with the electrics. Made up an aluminium tray to fit on the left (where the air filter would have sat) to accommodate the regulator/rectifier, capacitor, horn relay, fuse box and the ignition transistor box . Electrics.jpg . I am using the original o.i.f. electrical box to accom...
by SteveS
Wed May 19, 2021 1:47 pm
Forum: Off topic
Topic: B65 Mongrel
Replies: 30
Views: 15082

Re: B65 Mongrel

. Not done much with the project recently but last week I finally got the remaining welding completed on the frame. Today I got the frame back from the powdercoaters. After much deliberation I went with a dark metallic grey instead of the typical black. Looks better in the flesh than in the the pic...
by SteveS
Tue May 11, 2021 7:24 pm
Forum: Tech
Topic: Bracket for air box?
Replies: 5
Views: 425

Re: Bracket for air box?

.
+1 what Claus says.
.
Air Box mounts
Air Box mounts
Mounts for B50T and SS (plus B25 derivatives) shown in red within black bordered box
.
Frame from Left side
Frame from Left side
They are just simple 'L' brackets welded to frame, they often break off - note repaired bracket in picture
by SteveS
Tue May 11, 2021 2:46 pm
Forum: Off topic
Topic: I found it
Replies: 1
Views: 456

Re: I found it

Hi Keith I did something similar when I cut the first 1.1/2" of a B50MX exhaust, so that I could make/fit a reduced end into a B44 head. I kept the piece I cut off and put it in a safe place. It's reappeared a few times but now that I need it, it has decided to play hide and seek :( Regarding your q...
by SteveS
Tue May 11, 2021 7:37 am
Forum: Tech
Topic: Brake grill
Replies: 8
Views: 813

Re: Brake grill

Hi Ian Trevor (BSA_WM20) has written several posts on adjusting the 8" conical front brake. There is one in particular thread that is very helpful but I can't find it at the moment :( . There is a bit of a discussion here and here . Also the Service Bulletin 'Single 4-71 Front Brake Adjustment B50' ...
by SteveS
Thu May 06, 2021 8:08 am
Forum: Tech
Topic: B50T aftermarket exhaust fitment
Replies: 15
Views: 1324

Re: B50T aftermarket exhaust fitment

Hi Giles Nice looking bike :thumb The silencer set up you have selected looks real good It's a real PITA when aftermarket parts don't fit. I guess they have supplied the wrong silencer (DS264). On their website Feked show the same silencer for 3 different models (B50, C15 and B40) all with the same ...
by SteveS
Tue May 04, 2021 8:39 am
Forum: Tech
Topic: Serious Wet Sumping After Engine Overhaul
Replies: 7
Views: 2553

Re: Serious Wet Sumping After Engine Overhaul

Underhead length of the bolt is 1/2" (x 3/8 unc), usually fitted with a plain copper sealing washer about 1mm thick. The ball is 1/4". The used spring I have here is 13mm long. Don't have a new one to hand to check the measurement. Can anyone confirm length of spring when new?
by SteveS
Tue May 04, 2021 8:00 am
Forum: Tech
Topic: AEM UEGO AFR sensor on a B50 with JRC PWK
Replies: 9
Views: 1138

Re: AEM UEGO AFR sensor on a B50 with JRC PWK

Thanks for sharing :thumb

I will be interested in your results with the new needles
by SteveS
Tue May 04, 2021 7:52 am
Forum: Tech
Topic: Non Detergent oil test Part II-
Replies: 21
Views: 2383

Re: Non Detergent oil test Part II-

No disrespect to Jeff but..... I think we need to view this as an observational study, not as an experiment. If the way described is how professional experimental chemists conduct experiments I don't hold out much hope for mankind. There are too many unknown variables for anyone to draw conclusions....
by SteveS
Mon May 03, 2021 11:10 am
Forum: Project bikes
Topic: B50/44 Hybrid
Replies: 40
Views: 7617

Re: B50/44 Hybrid

. Had a good look at a pair of B25/B50 yokes (triple trees) but it is very difficult to determine if there is a difference in offset between the top & bottom yokes. There may be a small difference which may explain why the frame drawings show a rake of 27° and when people measure the actual bike wi...
by SteveS
Sun May 02, 2021 10:21 am
Forum: Tech
Topic: Dick Mann BSA legend
Replies: 3
Views: 818

Re: Dick Mann BSA legend

. I've read a lot about Dick Mann over the years and his involvement with motorcycle sport. Never met him, but the comments attributed to him and his racing results have always impressed me, together with his acknowledged mechanical abilities. . RIP Dick Mann . cycleworld.jpg . Nice shot of Dick on...
by SteveS
Thu Apr 29, 2021 5:37 pm
Forum: Tech
Topic: Triumph TR5T Exhaust Spark Arrestor
Replies: 2
Views: 637

Re: Triumph TR5T Exhaust Spark Arrestor

Hi Dave

Your post prompted me to add some info regarding the B50MX spark arrestor which may or may not be the same as that fitted to the TR5T 500cc twin
by SteveS
Thu Apr 29, 2021 5:36 pm
Forum: Tech
Topic: B50MX Spark Arrestor 1973
Replies: 0
Views: 816

B50MX Spark Arrestor 1973

. Hi . Prompted by Dave's post - Triumph TR5T Exhaust Spark Arrestor I thought I would provide a bit of detail concerning the J&R Krizman spark arrestor supplied with the 1973 B50MX............. . I've always thought the B50MX 73 twin exhausts looked unfinished without the unobtainable spark arrest...
by SteveS
Fri Apr 23, 2021 7:11 am
Forum: Tech
Topic: B50 Gas cap removal
Replies: 9
Views: 1086

Re: B50 Gas cap removal

.
It is difficult to tell with my poor eyesight but it looks like it is welded on this tank (and a couple of other B50 tanks I checked)
.
B50T tank
B50T tank
by SteveS
Tue Apr 20, 2021 10:42 am
Forum: Tech
Topic: Ariel Square 4 had same problem with oil as B25 (Non Detergent oil)
Replies: 43
Views: 4909

Re: Ariel Square 4 had same problem with oil as B25 (Non Detergent oil)

mineral spirits (US) = white spirit (uk)
by SteveS
Mon Apr 19, 2021 9:59 am
Forum: Tech
Topic: Auto advance unit removed, plug hole?
Replies: 3
Views: 962

Re: Auto advance unit removed, plug hole?

Hi . The camshaft is drilled all the way through. With the 1/4" unf auto advance fixing bolt in place the two drilled holes in the side of the camshaft (through to the centre of the camshaft) allow pressure to escape via the small breather pipe at the top / rear of the timing cover . If you leave th...
by SteveS
Wed Apr 14, 2021 6:56 am
Forum: Project bikes
Topic: B44/b50 "old star"
Replies: 25
Views: 2175

Re: B44/b50 "old star"

Looking good

Always loved those tanks :thumb
by SteveS
Fri Apr 09, 2021 6:53 pm
Forum: Tech
Topic: 71 BSA B25 Gold Star SS Centre Stand
Replies: 6
Views: 1358

Re: 71 BSA B25 Gold Star SS Centre Stand

. Strange that they've made up new stands with the side tang in the wrong place? See here . At least the legs are the right length at 10" . 83-3170A.jpg . Bolt and spring kit available from several sources including here . TRIUMPH CENTRE STAND MOUNTING KIT TR6-TR7-T120-T140 etc 1971-79.jpg
by SteveS
Fri Apr 09, 2021 6:41 pm
Forum: Tech
Topic: B50 hydraulic drum brake
Replies: 58
Views: 11645

Re: B50 hydraulic drum brake

After several ride with the hydraulic brake I have got used to its characteristics and feel very confident with it.
:thumb
by SteveS
Fri Apr 09, 2021 7:10 am
Forum: Tech
Topic: 71 BSA B25 Gold Star SS Centre Stand
Replies: 6
Views: 1358

Re: 71 BSA B25 Gold Star SS Centre Stand

. Hi Beezergeezer . As eebtr7 and Basil indicate........... . Basic stand is identical to the oif BSA A65 stand, so will also be the same as the early Triumph oif stands. Triumph ones are normally cheaper as more were produced. Only difference I have ever found is the side lever/tang is a lot short...
by SteveS
Thu Apr 08, 2021 9:45 am
Forum: Tech
Topic: Gas tank liners
Replies: 27
Views: 2802

Re: Gas tank liners

Hi Steve

As others have said, avoid tank liners until/unless they are absolutely necessary
by SteveS
Wed Apr 07, 2021 9:19 am
Forum: Project bikes
Topic: LOBE 2 20-21
Replies: 236
Views: 46019

Re: LOBE 2 20-21

blocking the front wheel and making a horrible crash with the rig. As a result you may end up with a brocken neck. Wow Beat is that how it happened? You are a v. lucky man. Your recovery seems to be going well :thumb no doubt helped by the work you are completing :smile: You may need to devise some...
by SteveS
Fri Apr 02, 2021 12:37 pm
Forum: Parts for sale
Topic: Bsa gold star 250 ss unrestored - SOLD £1099
Replies: 0
Views: 2076

Bsa gold star 250 ss unrestored - SOLD £1099

.
Hi
.
Completed listing. Sold for £1099 GBP (approx $1520 USD)
.
Good luck with the restoration :roll:
.
Bsa gold star 250 ss unrestored - SOLD £1099
Bsa gold star 250 ss unrestored - SOLD £1099
.
ebay uk, item no. 114737556724, Buckfastleigh, South Devon
.
I guess I should have put this in bikes for sale, not parts :oops:
by SteveS
Wed Mar 17, 2021 3:58 pm
Forum: Project bikes
Topic: I'd like to ride this some day
Replies: 20
Views: 4460

Re: I'd like to ride this some day

Hi

Yes, looks like an original. Has the internal strip to help brace the guard and both ends are properly formed. Lack of rust suggests stainless
by SteveS
Sun Mar 14, 2021 8:12 am
Forum: Project bikes
Topic: LOBE 2 20-21
Replies: 236
Views: 46019

Re: LOBE 2 20-21

Hi Beat

Neat idea with the oil tank extension :thumb I guess this is removable to aid cleaning when changing the oil?

Looks slightly phallic :shock:
by SteveS
Sat Mar 13, 2021 8:50 am
Forum: Project bikes
Topic: I'd like to ride this some day
Replies: 20
Views: 4460

Re: I'd like to ride this some day

Hi John, nice project As eebtr7 says I respectfully suggest you obtain the original factory sales brochures, owners manual, or the 1971/1972 workshop and/or parts manual for this specific information. You will find the info you need in the Downloads Section There is a workshop manual and the 73 part...
by SteveS
Sun Mar 07, 2021 11:47 am
Forum: Tech
Topic: Riding a B50 MX on the road in the UK
Replies: 7
Views: 2248

Re: Riding a B50 MX on the road in the UK

. This used to be my daily transport to work in the summer months. Not had it on the road for a while but my B50T with round barrel 441 engine has no lights as below, just a reflector on rear number plate, on a daylight MoT (now no longer required). The only thing I may need to change when I get it...
by SteveS
Sat Mar 06, 2021 9:30 am
Forum: Tech
Topic: B50mx Second Start Up Running Better but??"s
Replies: 19
Views: 2979

Re: B50mx Second Start Up Running Better but??"s

Header got a tad warm
That's a bit of an understatement. Looks like it's glowing cherry red unless that's just the California sunshine?