Search found 418 matches

by SteveS
Sun Nov 29, 2020 7:35 pm
Forum: P92 Tech
Topic: Project 92
Replies: 51
Views: 45960

Re: Project 92

Hi Bob, thanks for the additional info and pics.

You mentioned the bike was used as works transport, is it one of the 'XO' series of registrations that were kept for use by BSA?
by SteveS
Sun Nov 29, 2020 9:44 am
Forum: Tech
Topic: Brake master cylinder.
Replies: 7
Views: 157

Re: Brake master cylinder.

Fantastic :thumb

If you get stuck on detail Paul (beesa71) may be able to help, reference the original M&T version
by SteveS
Sat Nov 28, 2020 1:16 pm
Forum: Tech
Topic: Brake master cylinder.
Replies: 7
Views: 157

Re: Brake master cylinder.

Hi Basil

Are you upgrading the B50 to a single disc front end?

The same item is a bit cheaper from BBB:

stainless-front-master-cylinder-c-w-lever-triumph-1973-78 £112.80 + £9.54 shipping
by SteveS
Thu Nov 26, 2020 8:37 pm
Forum: P92 Tech
Topic: Project 92
Replies: 51
Views: 45960

Re: Project 92

Hi Bob Thanks for sharing :thumb Makes interesting viewing. Essentially oif chassis converted to isolastic with a disc front end, although there must be a lot of other detail changes. They lost the under tank electrics box. I can see the coil still under the tank. Where'd they put the rest of the el...
by SteveS
Fri Nov 20, 2020 3:51 pm
Forum: Off topic
Topic: B65 Mongrel
Replies: 23
Views: 1865

Re: B65 Mongrel

.
A bit more welding completed. Set up with wheels and suspension to check monoshock top mount location
.
Rolling chassis
Rolling chassis
.
by SteveS
Fri Nov 20, 2020 9:25 am
Forum: Project bikes
Topic: 74 TR5 MX Project For Ken
Replies: 102
Views: 11228

Re: 74 TR5 MX Project For Ken

Looking good :thumb
by SteveS
Thu Nov 19, 2020 8:43 am
Forum: Tech
Topic: Decompressor Lever Alternative
Replies: 2
Views: 170

Re: Decompressor Lever Alternative

Hi johnu

Here you go:

B50 Decompression Lever - A DRZ400 S u z u k i, compliments of Stan Millard <1011
by SteveS
Sat Nov 14, 2020 4:37 pm
Forum: Off topic
Topic: B65 Mongrel
Replies: 23
Views: 1865

Re: B65 Mongrel

.
A little more progress
.
Cut out old gusset and tubes
Cut out old gusset and tubes
.
Replaced straight tubes with bent ones to clear suspension
Replaced straight tubes with bent ones to clear suspension
.
Mock up with s/arm and monoshock
Mock up with s/arm and monoshock
by SteveS
Thu Nov 12, 2020 8:43 pm
Forum: Tech
Topic: b40 engine rotation ?
Replies: 5
Views: 263

Re: b40 engine rotation ?

Hi Andy

Which side of the engine are you looking at? :lol:

anticlockwise from the clutch side
by SteveS
Thu Nov 12, 2020 8:35 pm
Forum: Tech
Topic: b40 engine weight ???????
Replies: 4
Views: 226

Re: b40 engine weight ???????

Hi Andy

See below quote from Rickard:
The weight of a B50 engine is 39 Kg´s
So a B40 may be a little heavier as it has a cast iron barrel
by SteveS
Sat Nov 07, 2020 4:25 pm
Forum: Tech
Topic: Clutch Pushrod???
Replies: 17
Views: 913

Re: Clutch Pushrod???

Hi Chris

Thanks for the correction. I have edited my original post accordingly
by SteveS
Fri Nov 06, 2020 5:53 pm
Forum: Off topic
Topic: B65 Mongrel
Replies: 23
Views: 1865

Re: B65 Mongrel

.
Managed to get the crankcases welded :grin: ...........
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Front engine mount welded
Front engine mount welded
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.............and the frame. I've now got an extra 60cc oil capacity :smile:
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Frame stretched
Frame stretched
.
by SteveS
Sun Nov 01, 2020 3:59 pm
Forum: Tech
Topic: Clutch Pushrod???
Replies: 17
Views: 913

Re: Clutch Pushrod???

Hi Johnu I admire you putting the engine back together without a manual or parts book. Remember you have access to the following info on the site: B50 Parts and handbooks Ball - clutch push rod, Part number 60-2363, 7/32" (approx 5.6mm) - Corrected as per info from midgie, N.B. 1972 B50 parts book i...
by SteveS
Thu Oct 29, 2020 9:26 am
Forum: Off topic
Topic: TR5T Bash Plate
Replies: 2
Views: 171

Re: TR5T Bash Plate

Hi Keith Crazy times, looks like just two bidders battling it out. With most autojumbles (swap meets) closed down because of Covid restrictions there are limited places to find missing parts. I've paid over the odds myself for online parts recently because of the restrictions, but also picked up som...
by SteveS
Tue Oct 27, 2020 12:51 pm
Forum: Off topic
Topic: B65 Mongrel
Replies: 23
Views: 1865

Re: B65 Mongrel

.
The point of no return
.
Point of no return
Point of no return
At least I've found the best way to get access to clean out the sludge and debris from the oil tank :ban
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Spaced the frame with a piece of timber to gauge the stretch required.
.
Engine / Frame mock up
Engine / Frame mock up
by SteveS
Sun Oct 25, 2020 3:33 pm
Forum: Off topic
Topic: B65 Mongrel
Replies: 23
Views: 1865

Re: B65 Mongrel

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Initial butchery complete. <096
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Bottom frame rails removed
Bottom frame rails removed
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I've kept all the removed parts in case I change my mind :roll:
by SteveS
Thu Oct 22, 2020 2:33 pm
Forum: Tech
Topic: Ok..now its got me mad..spark plug
Replies: 11
Views: 725

Re: Ok..now its got me mad..spark plug

Hi,

Worth checking the Premier carb, make sure all is as it should be. I've not got any personal experience but I've heard stories about blocked passageways and undersized or inconsistent drillings in the jets both idle and main
by SteveS
Sun Oct 18, 2020 9:16 am
Forum: Tech
Topic: B50 rear hub
Replies: 11
Views: 722

Re: B50 rear hub

. A while back I took some measurements of the bearing spacer 37-3753. . Steel tube made from 1" material with a clearance hole for the 5/8" rear wheel spindle and stepped at each end to take the 20mm diameter wheel bearings (Hoffman 120, Size: 20x47x14mm) . 37-3753 dims.jpg . As I said it was some...
by SteveS
Fri Oct 16, 2020 12:41 pm
Forum: Parts & Bikes wanted
Topic: Electrical Box Mounting
Replies: 10
Views: 765

Re: Electrical Box Mounting

That sold quick :razz:

It wasn't me
by SteveS
Fri Oct 16, 2020 12:39 pm
Forum: Tech
Topic: B50 rear hub
Replies: 11
Views: 722

Re: B50 rear hub

Hi Claus

No, all the oif models were the same. I've never experienced a problem with the rear brake getting contaminated. Other more serious MX'ers may be able to better advise
by SteveS
Thu Oct 15, 2020 7:04 pm
Forum: Tech
Topic: B50 rear hub
Replies: 11
Views: 722

Re: B50 rear hub

Hi Claus

It doesn't look right does it? However it is correct, the brake plate sits clear by about 4mm
by SteveS
Fri Oct 09, 2020 11:25 am
Forum: Project bikes
Topic: 74 TR5 MX Project For Ken
Replies: 102
Views: 11228

Re: 74 TR5 MX Project For Ken

Hi Johnu

Coming along :thumb

What black finish have you used on the crankcases and rocker box?
by SteveS
Thu Oct 08, 2020 5:25 pm
Forum: Tech
Topic: Speedometer and Tachometer cable details
Replies: 4
Views: 388

Re: Speedometer and Tachometer cable details

Hi Paul Haven't found anything definitive but noticed L.A.B. who posts on various forums quoted this on a Notrun site (accessnorton.com): 7/16" for the "brass cap" Smiths magnetic instruments used up to around 1970, including Norton "Green blob" instruments. For later Smiths instruments including th...
by SteveS
Mon Oct 05, 2020 7:56 am
Forum: Off topic
Topic: B65 Mongrel
Replies: 23
Views: 1865

Re: B65 Mongrel

Hi Beat (I know its you :grin: )

Hope your recovery is going ok

The A65 motor does seem to instill a love / hate reaction. As they say beauty is in the eye of the beholder :smile:
by SteveS
Sun Oct 04, 2020 2:18 pm
Forum: Off topic
Topic: B65 Mongrel
Replies: 23
Views: 1865

Re: B65 Mongrel

.Loosely put together a spare set of A65 crankcases, barrel and head. There's currently not enough room to sit the engine square in position.
.
Looks like I need to stretch the frame by a couple of inches in length. :roll:
.
os
os
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Should be ok on the height
.
ns
ns
.
by SteveS
Sat Oct 03, 2020 8:03 am
Forum: Tech
Topic: TR5mx Fork/Steering Stem
Replies: 16
Views: 1084

Re: TR5mx Fork/Steering Stem

Hi johnu Last time I needed one I couldn't source one anywhere at a sensible price so a friend made one up from 3/4" solid mild steel bar. It was fairly simple to thread the end that goes through the bottom yoke 3/4" UNC. The thread at the top varies between early and late models: early models - 3/4...
by SteveS
Fri Sep 25, 2020 1:06 pm
Forum: Tech
Topic: GPS Speedometer
Replies: 11
Views: 1484

Re: GPS Speedometer

Hi John

I didn't see that, thanks for pointing it out.
by SteveS
Wed Sep 23, 2020 6:16 pm
Forum: Tech
Topic: GPS Speedometer
Replies: 11
Views: 1484

Re: GPS Speedometer

. Hi Tom . Can you provide any further update on the performance of the GPS speedo? Thinking of getting one for my latest project but concerned about how easily the signal is picked up as the antennae is meant to have 'clear view of sky'. . This is the one I'm thinking of getting with built in tach...
by SteveS
Sun Sep 20, 2020 2:51 pm
Forum: Off topic
Topic: B65 Mongrel
Replies: 23
Views: 1865

Re: B65 Mongrel

. Afternoon all . Found another local powder coating company that have done a much better job of finishing the wheels :grin: . Wheels shod with new tyres.JPG . I wasn't sure about the original source of the wheels. Thought they could be Lester, Cambray, Morris. Thanks to Paul (Beesa71) for confirmi...
by SteveS
Sat Sep 19, 2020 8:22 am
Forum: Tech
Topic: Black box silencer - finish??
Replies: 3
Views: 314

Re: Black box silencer - finish??

Hi Malc Yes I was aware about the black chrome on the exhaust pipes. :thumb I seem to remember reading that BSA invested a fortune on the plant to carry out the process. It produced a lovely finish which is hard to replicate. Thanks eebTR7, both the silencers have the curved outlet pipe so are from ...
by SteveS
Fri Sep 18, 2020 7:34 pm
Forum: Tech
Topic: Black box silencer - finish??
Replies: 3
Views: 314

Black box silencer - finish??

. Hi . Received delivery of a second hand black box silencer a couple of days ago, purported to be off a B50SS 1972. On first glance it looked like the black finish had come off in places showing the bare steel beneath but upon closer inspection it looks like the silencer is plated, possibly unpoli...
by SteveS
Fri Sep 18, 2020 5:17 pm
Forum: Off topic
Topic: Star
Replies: 308
Views: 71129

Re: Star

Speedy recovery Beat
by SteveS
Sat Sep 12, 2020 3:13 pm
Forum: Off topic
Topic: B65 Mongrel
Replies: 23
Views: 1865

Re: B65 Mongrel

. Some better news, the engine arrived from Michigan US via Barrow-in-Furness :grin: Sent over in a container. . A65 Crated Motor.JPG . At some point I will need to strip the motor so I can get the front engine mount fixed. I've got a good set of A65 crankcases which I could use as a donor but I wi...
by SteveS
Sat Sep 12, 2020 8:24 am
Forum: Off topic
Topic: B65 Mongrel
Replies: 23
Views: 1865

Re: B65 Mongrel

. Got both the wheels blasted prior to powder coating. This identified a problem with rear wheel :roll: . Rear wheel blasted exposing damaged sprocket mounts.JPG . Milled out the damage and then welded by the local expert. Also repaired a crack in the bearing housing . Welding completed.JPG . Local...
by SteveS
Thu Sep 10, 2020 7:44 pm
Forum: Parts & Bikes wanted
Topic: Aluminium rear brake plate for conical hub
Replies: 3
Views: 436

Re: Aluminium rear brake plate for conical hub

Thanks to Ian and others, the postie should be delivering my brake plate very soon :smile:

Many thanks
by SteveS
Fri Sep 04, 2020 1:20 pm
Forum: Off topic
Topic: B65 Mongrel
Replies: 23
Views: 1865

Re: B65 Mongrel

Gerry, I've got a spare B50T frame (damaged) if you're interested.

Malc, yes interesting mod. Looks like the PO had trouble removing the front engine bolt so took a BFH to it :shock:
by SteveS
Thu Sep 03, 2020 8:12 pm
Forum: Off topic
Topic: B65 Mongrel
Replies: 23
Views: 1865

B65 Mongrel

. For various reasons I've had to temporarily abandon my other project so decided to proceed with another idea using various parts I've accumulated over the years. I've put this in 'Off topic' as it's got a twin engine . bsa b50 b 50 ss frame.jpg . A65 motor.jpg . Showa Forks.jpg . Y*maha Monoshock...
by SteveS
Wed Sep 02, 2020 8:51 pm
Forum: Parts & Bikes wanted
Topic: Aluminium rear brake plate for conical hub
Replies: 3
Views: 436

Aluminium rear brake plate for conical hub

Hi Anyone got a rear brake plate to suit oif models with conical hub they are willing to sell? Prepared to take a damaged one as long as it's not too bad. Prefer a B50/B25 type but would consider the A65 type with the extended boss. If you've got the brake shoes, springs, spindles etc. all the bette...
by SteveS
Wed Sep 02, 2020 4:55 pm
Forum: Tech
Topic: B50 valve lifter to bare casting.
Replies: 37
Views: 2379

Re: B50 valve lifter to bare casting.

Hi Gerry

Was it this discussion?
by SteveS
Tue Sep 01, 2020 8:04 pm
Forum: Tech
Topic: B50 oil pressure switch removal
Replies: 8
Views: 605

Re: B50 oil pressure switch removal

Just pulled the plug out of a spare B50 inner cover. Definitely a tapered thread. My thread gauge jumps from 26 tpi to 28 tpi. My eyesight is too poor to check tpi accurately but I would say the 26 tpi is a better fit than the 28. 1/8bspt is 28tpi, npt is 27tpi, taper is 3/4" per foot for both threa...