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Last post How to order Brads new book
by HPbyStan View the latest post
Sat Mar 17, 2018 11:32 pm
Requests
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by Brickie View the latest post
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Engine

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Cylinder head
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Last post Re: Oil Leak-B50 SS
by minetymenace View the latest post
Thu Aug 13, 2015 10:30 pm
Valves
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Pushrods
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Last post Push rods
by b50root View the latest post
Wed Jul 22, 2009 11:14 am
Piston
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Last post Calculate TDC
by b50root View the latest post
Tue Jun 12, 2012 9:53 am
Camshaft
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Last post Calculate the cam and mount M…
by b50root View the latest post
Tue Jun 12, 2012 9:52 am
Clutch
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39 Posts

Last post Basic clutch run down, b50 in…
by britgaskets View the latest post
Wed Oct 13, 2010 3:33 am
Gearbox
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Last post Putting the gearbox in while …
by britgaskets View the latest post
Wed Oct 13, 2010 3:42 am
Crankcase
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Last post Re: Tech Write-Up… BSA Unit S…
by skippy View the latest post
Fri Feb 14, 2014 11:44 am
Oil & Oil pump
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Last post Re: b25 inline filter
by minetymenace View the latest post
Tue Feb 18, 2014 6:29 pm
Carburetor
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4 Topics

5 Posts

Last post Understanding Concentrics.
by BSA_WM20 View the latest post
Fri Dec 17, 2010 1:14 pm
Timing
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Last post Check your timing mark
by b50root View the latest post
Tue Jun 12, 2012 10:10 am
Unspecified
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7 Posts

Last post Re: How To Remove Inner Timin…
by Ubert767 View the latest post
Fri Aug 03, 2018 7:31 am

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Electrics
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Last post Re: Tidy Electrics Box Wiring
by minetymenace View the latest post
Fri Sep 21, 2018 11:29 pm
Suspension
Repair and Maintenance Fork and Suspension
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Topics: 4

4 Topics

18 Posts

Last post Re: Fork mods
by minetymenace View the latest post
Fri Dec 06, 2013 2:05 am

Frame & Body work

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Paint
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Last post Re: 78 ccm 350 trials bike re…
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Wed Aug 08, 2018 7:30 pm
Frame
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6 Topics

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Last post Re: nickel plate
by Grayham View the latest post
Mon Sep 28, 2015 7:20 am
Tin & Seat
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Last post Re: 83-2674 Chainguard extens…
by minetymenace View the latest post
Thu Mar 14, 2013 9:47 am
Silencer
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Last post Re: OIF B25 silencer
by *beezergeezer* View the latest post
Fri Nov 13, 2015 1:29 am

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Tidy Electrics Box Wiring

Last post by minetymenace « Fri Sep 21, 2018 11:29 pm
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Attachment(s) by minetymenace » Fri Jul 20, 2018 9:50 am

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Last post by minetymenace View the latest post
Fri Sep 21, 2018 11:29 pm
78 ccm 350 trials bike red paint colour code

Last post by minetymenace « Wed Aug 08, 2018 7:30 pm
Replies: 1
by Peter Woodrow » Wed Aug 08, 2018 3:42 pm

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546 Views

Last post by minetymenace View the latest post
Wed Aug 08, 2018 7:30 pm
Purple b50

Last post by minetymenace « Tue Mar 20, 2018 7:19 am
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by Steveskates » Tue Mar 20, 2018 12:17 am

1 Replies

2244 Views

Last post by minetymenace View the latest post
Tue Mar 20, 2018 7:19 am
How to order Brads new book

Last post by Brad Jones « Sat May 05, 2018 7:59 am
Replies: 8
by HPbyStan » Sat Mar 17, 2018 11:32 pm

8 Replies

3801 Views

Last post by Brad Jones View the latest post
Sat May 05, 2018 7:59 am
BSA B25/50 service Bulletins

Last post by b50root « Thu Jan 04, 2018 7:03 am
Replies: 1
by bluemaicoman » Tue Jan 02, 2018 11:27 pm

1 Replies

342 Views

Last post by b50root View the latest post
Thu Jan 04, 2018 7:03 am
THE RUPERT RATIO UNIT SINGLE ENGINE MANUAL FOR C15 B40 B25

Last post by crankbuster « Fri Sep 08, 2017 8:34 am
Replies: 7
by b50root » Tue May 22, 2012 6:28 am

7 Replies

2127 Views

Last post by crankbuster View the latest post
Fri Sep 08, 2017 8:34 am
BSA B44 Victor Special tank details

Last post by ricasso « Sat Dec 10, 2016 2:15 pm
Replies: 1
by Didlydon » Wed Nov 30, 2016 12:00 pm

1 Replies

963 Views

Last post by ricasso View the latest post
Sat Dec 10, 2016 2:15 pm
OIF B25 silencer

Last post by *beezergeezer* « Fri Nov 13, 2015 1:29 am
Replies: 1
by Sprint955 » Thu May 01, 2014 8:45 pm

1 Replies

2655 Views

Last post by *beezergeezer* View the latest post
Fri Nov 13, 2015 1:29 am
nickel plate

Last post by Grayham « Mon Sep 28, 2015 7:20 am
Replies: 1
by johnq » Sun Sep 27, 2015 9:58 pm

1 Replies

2265 Views

Last post by Grayham View the latest post
Mon Sep 28, 2015 7:20 am
Oil Leak-B50 SS

Last post by minetymenace « Thu Aug 13, 2015 10:30 pm
Replies: 1
by TritonMike » Thu Aug 13, 2015 9:01 pm

1 Replies

2767 Views

Last post by minetymenace View the latest post
Thu Aug 13, 2015 10:30 pm
1971 B25t repair manual

Last post by hemisxpck « Mon Apr 27, 2015 9:38 pm
Replies: 4
by hemisxpck » Mon Apr 27, 2015 8:47 am

4 Replies

2947 Views

Last post by hemisxpck View the latest post
Mon Apr 27, 2015 9:38 pm
Rolling Thunder

Last post by Keith « Sun Mar 22, 2015 9:44 am
Replies: 4
by Keith » Fri Mar 20, 2015 9:43 am

4 Replies

1162 Views

Last post by Keith View the latest post
Sun Mar 22, 2015 9:44 am
Codswallop and other misleading info

Last post by beat « Sun Dec 07, 2014 4:09 pm
Replies: 2
by roadplough » Sun Dec 07, 2014 1:41 am

2 Replies

998 Views

Last post by beat View the latest post
Sun Dec 07, 2014 4:09 pm
The Rupert Ratio Unit Single Manual Volume 2

Last post by b50root « Fri Mar 21, 2014 10:34 am
Replies: 2
by Richard Hunt » Thu Mar 20, 2014 6:44 pm

2 Replies

1202 Views

Last post by b50root View the latest post
Fri Mar 21, 2014 10:34 am
Tech Write-Up… BSA Unit Single Crankcase Breathing

Last post by skippy « Fri Feb 14, 2014 11:44 am
Replies: 13
Attachment(s) by bunnrex » Wed Sep 30, 2009 4:31 am

13 Replies

4885 Views

Last post by skippy View the latest post
Fri Feb 14, 2014 11:44 am
tr25w con rods

Last post by bajatr25w « Wed Feb 12, 2014 12:26 am
Replies: 5
by bajatr25w » Mon Feb 10, 2014 10:41 pm

5 Replies

1087 Views

Last post by bajatr25w View the latest post
Wed Feb 12, 2014 12:26 am
ccm oiling coversion

Last post by midgie « Tue Feb 11, 2014 9:01 pm
Replies: 3
by bajatr25w » Tue Feb 11, 2014 5:27 am

3 Replies

1045 Views

Last post by midgie View the latest post
Tue Feb 11, 2014 9:01 pm
Fork mods

Last post by blaise « Thu Mar 06, 2014 7:43 pm
Replies: 18
Attachment(s) by fastharry » Thu Dec 05, 2013 7:42 pm

18 Replies

9870 Views

Last post by blaise View the latest post
Thu Mar 06, 2014 7:43 pm
83-2674 Chainguard extension

Last post by minetymenace « Thu Mar 14, 2013 9:47 am
Replies: 13
Attachment(s) by minetymenace » Fri Dec 03, 2010 2:42 pm

13 Replies

4277 Views

Last post by minetymenace View the latest post
Thu Mar 14, 2013 9:47 am
Metisse News Frame Kit Mk4.

Last post by minetymenace « Fri Oct 12, 2012 12:10 am

Attachment(s) by minetymenace » Fri Oct 12, 2012 12:10 am

0 Replies

1666 Views

Last post by minetymenace View the latest post
Fri Oct 12, 2012 12:10 am
Check your timing mark

Last post by b50root « Tue Jun 12, 2012 10:10 am

by b50root » Tue Jun 12, 2012 10:10 am

0 Replies

1898 Views

Last post by b50root View the latest post
Tue Jun 12, 2012 10:10 am
Calculate TDC

Last post by b50root « Tue Jun 12, 2012 9:53 am

by b50root » Tue Jun 12, 2012 9:53 am

0 Replies

1662 Views

Last post by b50root View the latest post
Tue Jun 12, 2012 9:53 am
Calculate the cam and mount Marks vernier gear

Last post by b50root « Tue Jun 12, 2012 9:52 am

by b50root » Tue Jun 12, 2012 9:52 am

0 Replies

1633 Views

Last post by b50root View the latest post
Tue Jun 12, 2012 9:52 am
O.I.F B25/B50: The Incomplete Guide. 3rd Edition

Last post by b50root « Tue May 22, 2012 6:27 am

by b50root » Tue May 22, 2012 6:27 am

0 Replies

1498 Views

Last post by b50root View the latest post
Tue May 22, 2012 6:27 am
Blueprinting The BSA B25 1969 Power Unit

Last post by b50root « Tue May 22, 2012 6:18 am

by b50root » Tue May 22, 2012 6:18 am

0 Replies

1217 Views

Last post by b50root View the latest post
Tue May 22, 2012 6:18 am
Modified electric drawing

Last post by minetymenace « Thu Dec 29, 2011 11:36 am
Replies: 5
Attachment(s) by b50root » Mon Jan 17, 2011 8:44 pm

5 Replies

4859 Views

Last post by minetymenace View the latest post
Thu Dec 29, 2011 11:36 am
T25ss wheel hub paint

Last post by Orange dog « Mon Nov 28, 2016 12:31 am
Replies: 4
by Captain » Mon Jul 04, 2011 5:00 pm

4 Replies

2734 Views

Last post by Orange dog View the latest post
Mon Nov 28, 2016 12:31 am
original paint colors

Last post by b50root « Fri Jan 14, 2011 1:38 pm
Replies: 6
by ronbuell » Thu Dec 30, 2010 11:22 pm

6 Replies

30294 Views

Last post by b50root View the latest post
Fri Jan 14, 2011 1:38 pm
Building crank into Crankcases B44 and earlier

Last post by kommando « Sun Nov 28, 2010 8:14 pm

by kommando » Sun Nov 28, 2010 8:14 pm

0 Replies

1652 Views

Last post by kommando View the latest post
Sun Nov 28, 2010 8:14 pm
CCM Frame 1973 1974

Last post by bigbeezas « Fri Nov 26, 2010 10:45 pm
Replies: 11
Attachment(s) by Toots » Sun Nov 14, 2010 12:32 am

11 Replies

3258 Views

Last post by bigbeezas View the latest post
Fri Nov 26, 2010 10:45 pm
Lucas 2MC Capacitor Warning

Last post by britgaskets « Fri Oct 22, 2010 12:35 am
Replies: 3
Attachment(s) by b50root » Mon Aug 10, 2009 6:19 am

3 Replies

2034 Views

Last post by britgaskets View the latest post
Fri Oct 22, 2010 12:35 am
Basic BSA b44 internals.

Last post by britgaskets « Wed Oct 13, 2010 3:46 am

by britgaskets » Wed Oct 13, 2010 3:46 am

0 Replies

1386 Views

Last post by britgaskets View the latest post
Wed Oct 13, 2010 3:46 am
Timing gear marks and don't forget to check foot direction!

Last post by britgaskets « Wed Oct 13, 2010 3:45 am

by britgaskets » Wed Oct 13, 2010 3:45 am

0 Replies

1404 Views

Last post by britgaskets View the latest post
Wed Oct 13, 2010 3:45 am
Putting the gearbox in while in bike.

Last post by britgaskets « Wed Oct 13, 2010 3:42 am

by britgaskets » Wed Oct 13, 2010 3:42 am

0 Replies

3058 Views

Last post by britgaskets View the latest post
Wed Oct 13, 2010 3:42 am
Changing fork oil seals

Last post by TritonMike « Wed Jun 16, 2010 10:38 pm
Replies: 3
by Richard Hunt » Fri May 29, 2009 6:11 pm

3 Replies

2444 Views

Last post by TritonMike View the latest post
Wed Jun 16, 2010 10:38 pm
Building the crank into the casings B50 only

Last post by kommando « Fri May 28, 2010 5:34 pm
Replies: 10
by Mark Cook » Fri Dec 18, 2009 2:31 pm

10 Replies

3258 Views

Last post by kommando View the latest post
Fri May 28, 2010 5:34 pm
Gear change quadrant repair

Last post by gauloises « Wed Dec 23, 2009 5:31 pm
Replies: 5
Attachment(s) by Mark Cook » Tue Dec 22, 2009 7:21 pm

5 Replies

2049 Views

Last post by gauloises View the latest post
Wed Dec 23, 2009 5:31 pm
The first to post in paint...done today! What do you think?

Last post by 2manyrides « Thu Oct 15, 2009 2:41 am
Replies: 5
Attachment(s) by 2manyrides » Sun Oct 11, 2009 3:31 am

5 Replies

2764 Views

Last post by 2manyrides View the latest post
Thu Oct 15, 2009 2:41 am
2MC Capacitors & Batteries

Last post by b50root « Mon Aug 10, 2009 6:12 am

by b50root » Mon Aug 10, 2009 6:12 am

0 Replies

1367 Views

Last post by b50root View the latest post
Mon Aug 10, 2009 6:12 am
Rectifier

Last post by b50root « Wed Aug 05, 2009 6:36 am

Attachment(s) by b50root » Wed Aug 05, 2009 6:36 am

0 Replies

1359 Views

Last post by b50root View the latest post
Wed Aug 05, 2009 6:36 am
Zener Diode

Last post by b50root « Tue Aug 04, 2009 12:38 pm

Attachment(s) by b50root » Tue Aug 04, 2009 12:38 pm

0 Replies

1441 Views

Last post by b50root View the latest post
Tue Aug 04, 2009 12:38 pm
Fork Damper Tool

Last post by b50root « Fri Jul 24, 2009 7:25 am

Attachment(s) by b50root » Fri Jul 24, 2009 7:25 am

0 Replies

1413 Views

Last post by b50root View the latest post
Fri Jul 24, 2009 7:25 am
Gear cluster exploded

Last post by b50root « Thu Jul 23, 2009 8:35 am

Attachment(s) by b50root » Thu Jul 23, 2009 8:35 am

0 Replies

1593 Views

Last post by b50root View the latest post
Thu Jul 23, 2009 8:35 am
Swing arm Drawing

Last post by b50root « Thu Jul 23, 2009 8:32 am

Attachment(s) by b50root » Thu Jul 23, 2009 8:32 am

0 Replies

1595 Views

Last post by b50root View the latest post
Thu Jul 23, 2009 8:32 am
Frame Drawing

Last post by b50root « Thu Jul 23, 2009 8:30 am

Attachment(s) by b50root » Thu Jul 23, 2009 8:30 am

0 Replies

1557 Views

Last post by b50root View the latest post
Thu Jul 23, 2009 8:30 am
Remove engine from frame

Last post by b50root « Thu Jul 23, 2009 8:28 am

by b50root » Thu Jul 23, 2009 8:28 am

0 Replies

1585 Views

Last post by b50root View the latest post
Thu Jul 23, 2009 8:28 am
B25/B44 Fork Oil Seal Holder removal tips

Last post by B44R « Tue Apr 21, 2009 9:47 am
Replies: 10
Attachment(s) by gunnag » Sat Apr 11, 2009 4:37 pm

10 Replies

2864 Views

Last post by B44R View the latest post
Tue Apr 21, 2009 9:47 am
Inside Anders' lozenge muffler / silencer

Last post by beat « Sun Aug 12, 2007 7:32 pm
Replies: 9
by roadplough » Tue Aug 07, 2007 1:44 am

9 Replies

3101 Views

Last post by beat View the latest post
Sun Aug 12, 2007 7:32 pm

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