29 July 2012: Web page created; only the Jawa section
8 August 2012: BMW section added
24 October 2012: "Potential Projects" section added
31 October 2012: "My motorcycling ancestors" section added
10 November 2012: "Bikes I should Have kept" section added
20 November 2012: "Bikes seen in my travels" section added
30 December 2012: Matchless section added
20 January 2013: "Shed Archive" section added
3 August 2013: Compression ratio spreadsheet added to "Shed Archive" section.
3 August 2013: Update history (this file) added to home page
5 August 2013: French, Terrot 350cc motorcycle added to the "Bikes seen in my travels" section
19 August 2013: Updated details about sump gasket and magnets etc in BMW section.
24 August 2013: Added North American jawa Register to the Jawa Links
2 Sept 2013: Added YouTube video of Perak Crankshaft alignment to Jawa section
2 Sept 2013: Amended wording of Model number for CZ Land Patrol.
5 Sept 2013: On the "Shed Archive" page, added a second link to a web page explaining tyre sizes.
29 Sept 2013: Added "In the Lead Everywhere" Jawa-CZ Sales Brochure to the Jawa page
23 October 2013: Updated Jawa Perak information (picture, YouTube video and linked page about its rebuild)
14 January 2014: Added links to three articles in the shed archive section (Frame alignment; Suzuki TM400 engine; Metalwork text & Mac Velocette article) and links to Penrite Oil's Technical Bulletins.
10 April 2014: Added an improved picture of the oil filter in the sump of the BMW R60/2.
10 April 2014: Added a picture of the magnets in the sump of the BMW R60/2
10 April 2014: Added a new page linked from the Jawa Section (Refurbishment of original jawa Californian)
13 April 2014: Added 1967 Jawa Models 590 & 361 Parts Manual.
13 April 2014: Added picture of painted Jawa Californian to the Jawa Californian Refurbishment page.
4 June 2014: Updated a failed link to tyre information & aded a link about wheel rim sizes (in the Shed Archive section).
5 July 2014: Added two magazine articles to the BMW section (second Lilac article & "london to Sydney by BMW")
16 August 2014: All of jims-shed.browserbubbles.com transferred to new web host (jims-shed.com)
17 August 2014: Added additional Jawa 634 with Velorex sidecar movie clip to Jawa page.
23 August 2014: Minor technical modifications due to change of web server (upper and lower case inconsistencies).
7 May 2015: Added link to "Matchless WD" web page.
19 August 2015: Added information (including picture & design pdf) about home-made "Hall" type side stand, to BMW page.
21 August 2015: Added description of Vape electronic ignition to the jawa perak page.
28 August 2015: Added Tibet-Nepal motorcycle tour page
3 Sept 2015: Changed picture of updated Hall-type sidestand for BMW & updated its design sketch (PDF).
3 Sept 2015: Amended the BMW page to link the source of the 6 Volt LED tail light and to mention the change of rear blinkers & their position, when fitting the saddlebags.
21 Oct 2015: Added section describing the recovering of the wide bench seat.
21 Oct 2015: Added a section on the installation of the PowerDynamo 12 volt ignition & lighting system.
21 Oct 2015: Added some information on the LED brake and front running light modification.
26 Oct 2015": Added information in BMW/PowerDynamo page about the need for correct spark plug heat range.
21 Oct 2015: Added a link in the Shed Archive page to inofrmation about "reading" a spark plug.
24 Nov 2015: Added a link to the "Matchless Clueless" web page on the Matchless page
24 Nov 2015: Added Matchless G80S section to the Matchless page.
24 Nov 2015: Slightly changed the wording on the Home/Default page (added "My" before the bike names).
5 August 2016: Changed home page and related linked pages so that each Jawa, BMW & Matchless motorcycle has an individual page.
5 August 2016: Provided a separate page for Manuals, Articles & Links for each Motorcycle Marque.
5 August 2016: Separated Jawa Hints and reference material onto separate pages.
5 August 2016: Added Jawa 90 information, including the Workshop Manual to the Jawa Manuals page.
5 August 2016: Added information on Jawa Californian refurbishment.
12 August 2016: Updated lost links in the "tyres & wheel rim sizes" section of the Shed Archive page.
20 August 2016: Updated "Bubble" size of HTML links in the "Bikes I sold but should have kept" section.
31 August 2016: Added Jawa 90 User Manual & Spare Parts Manual & modified Jawa 90 text to link these documents.
28 December 2016: Added CZ Handbook to Jawa section (CZ_Service_Repair_Handbook - single exhaust models through 1974)
2 January 2017: Added Parts Manual for Jawa 350cc Californian IV & listed several unscanned non-jawa manuals (Suzuki, Bultaco & Yamaha) in the Archives section
18 January 2017: Corrected the link to "Things I have learned about Jawas" and in this section updated my years of experience with jawas and a couple of typographical errors
18 January 2017: In the "Bikes I should have kept" section, corrected the Jawa Perak from 350 to 250, as advised by Grant.
9 February 2017: Fixed incorrect link on home page to the shed "archive".
11 Feb 2017: Added 1951 CZ 125-150cc Parts Manual to Jawa references.
2 March 2017: Following expert advice, changed the information about head gaskets in the "MyExperience.html".
9 March 2017: Added 1972 Jawa_Owners Handbook 559-04 & 360-00 with Californian supplement to Jawa references
19 March 2017: Added a line of code in the start page (default.htm) to allow direct link to be provided to the BMW-seat page:
23 March 2017: Added "CZ Twins Workshop Manual" & the "Jawa Parts Manual 362 -04 Californian IV" (with alternative layout).
25 March 2017: Added another line of code in the start page to allow direct link to the BMW PowerDynamo bubble/Window (http://www.jims-shed.com/?startbubbles=BMWVapeLink)
24 April 1017: Added information about the air flow meter, used to balance the carburettors, to the BMW page.
24 April 1017: Updated the Jawa Californian page with information about the 28 Dec 2016 seizure and rectifying work.
24 April 1017: Added Jawa 90 Classic Bike magazine article and Jawa 638,639,640 Workshop Manual to Jawa references
25 April 2017: Added a link & picture of the pinstriper's initial on the underside of my BMW's petrol tank
25 April 2017: Replaced faulty Jawa90 article (2 pages missing) with corrected version.
26 April 2107: Added 9 Jawa Service Bulletins (pdf files) to the Jawa Reference page.
27 April 2017: Added CZ 125-175 Owners Manual to Jawa references
27 April 2017: Moved the previously added Jawa technical Bulletins from the bottom of the Jawa references page, up to just after the manuals section.
19 May 2017: Corrected error in layshaft end float, in Jawa Californian section.
29 May 2017: Added statement about dismantling the BMW front shocks, with pictures.
16 Nov 2017: Added article about pre WW2 Matchless Silver Hawk.
16 Nov 2017: Added article about Matchless in Antarctica.
16 Nov 2017: Added article about Australians riding Jawas in 1957 ISDT.
16 Nov 2017: Corrected typographical error in 1st line of 2nd last paragraph on Matchless G3L page.
16 Nov 2017: Replaced Matchless G3L maintenance plate text description, with photograph.
16 Nov 2017: Slightly changed wording at the end of the 5th paragraph on the Matchless G3L page.
29 January 2018: Added 1958 CZeta scooter Parts list to Jawa references.
29 January 2018: Added 1950 Parts manual for Jawa 250 Perak.
29 January 2018: Added Gear Ratio computer template to Archive.
7 February 2018: Added The Book of the Matchless to the matchless section.
7 February 2018: Added five CZ manuals to the Jawa References section (CZ 250 Sport, CZ 125-175 Sport, CZ Endure 988, CZ Trail 125-175)
1 April 2018: Replaced the “RatioComputer.pdf” in the Shed Archive, with separate images for each “circle’.
7 August 2018: Added to articles to the Jawa Articles page, both from the 5 January 1950 Edition of The Motorcycle (Jawa advertisement & “Czechoslovak Tour” with Jawa information)
17 Sept 2018: Added to articles to the Jawa Articles page, October1995 1950 Edition of The Classic Motorcycle (Jawa OHC 4-stroke Twin).
19 Sept 2018: Added another article on the Jawa 500 OHC (Classic Bike Guide May 2004).
24 Sept 2018: Modified Jawa Perak section to include the updated rear brake arrangement & the new exhausts.
4 October 2018: Converted the update history (this file) from plain text to HTML.
4 October 2018: Added section for the recently acquired 1977 Honda XL175.
28 November 2018: Modified the Honda XL175 text to include a link to YouTube of the first start of the Honda.
4 February 2019: In the Jawa References page, added a link to Tony Morrisett's CZ restoration page (mistgreen).
4 February 2019: Expanded the Matchless G80S page (engine work, oil tap, etc), adding separate pages for the oil tap & starting procedure.
21 March 2019: Added image of Matchless G80S to its page.
6 May 2019: Added OilMaster Pump Supplement to the Jawa manuals.
15 July 2019: Some minor modificatons to the Matchless G80S page ("upgrades" to the bike), with a link to a highlighted extract from Roy Bacon's book "Matchless & AJS Restoration".
28 November 2019: Changed link to JawaChat to Groups.io
28 November 2019: Four Jawa/CZ manuals added (CZ125-150 Parts list & Operation manual 1951, Jawa 500 parts Catalogue 1952 & Jawa 350 Spare Parts List 1952).
28 Novmber 2019: Added link on Jawa Off-Road 350 page to the 250 engine replacement page.
28 November 2019: Added page describing the refurbishment of the 250cc engine for the off-road hybrid.
28 Novenmber 2019: Added page describing the disassembly and diagnosis of the 350 off-road Jawa crankshaft.
12 December 2019: changed links to Matchless & BMW on-line groups from Yahoo to Groups.io
15 February 2020: Added CZ 125/175 (models 476/477) Spare Parts List to Jawa Manuals page.
19 April 2020: corrected the model number of the CZ Enduro, (is 988.1) in Sold.html.
30 April 2020: Added a link on the My Shed Archive page to the University of Cambridge Centre for Engineering Design, specifically dealing with thread cutting & sizes.
7 June 2020: Added an article on the 1947 ISDT to the Jawa references
13 July 2020: Fixed problems with content of Jawa 250 & 350 Californian parts manuals ("Jawa 590 Californian III 1973 Parts List.pdf" & "Jawa_1970_Californian_IV_OilMaster_Parts_Manual.pdf")
30 November 2020: Added two Jawa PDF documents (Jawa 250cc 1952 Model 11 "Perak" Parts Manual and Jawa 250cc Model 11 "Perak" Sales Brochure).
30 November 2020: Amended descriptions of Jawa "Perak" references to show actual Model numbers (11 for 250, 18 for 350) as well as the vernacular "Perak" designation. Likewise in the main page (Default.html)
21 December 2020: Added "Jawa-CZ250 Model 353/03 Spare Parts List (1956)" & "JAWA_353_-_354_Parts_book_1961" to Jawa References
25 February 2021: Added four technical articles from the "Czech Motor Review" provided by Lloyd (1) "353 Engine Service", (2) "Jawa Auto Clutch" Nov 1964, (3) "Jawa Electrics" & (4) New 175 ignition.
28 February 2021: Added two technical articles from the "Czech Motor Review" provided by Lloyd (1) "The Front Forks of 125, 175, 250 & 350 Jawa-CZ Motorcycles", (2) "Where Motorcycles are Born" (inside the Jawa factory)
1 March 2021: Added Magazine Cover pages as provided by Lloyd, to 3 previous articles he supplied & added two new articles from him: "Jawa Favorit (Trainer in N.Z.) & Jawa Training Motorcycle.
7 March 2021: Added another 4 articles from "Czech Motor Review", provided by Lloyd: (1) "70 Years of CZ Strakonice"; (2) "Jawa 353 354 Carb and Electrical"; (3)"Jawa on Ice"; (4) Czeta Repair.
3 April 2021: Added a review of the 250cc CZ model 471 (Revs Magazine August-Sept 1975).
3 April 2021: Added an advertisement for CZ motorcycles from 1975 "Revs" magazine.
17 April 2021: Added a 1960 spare parts list for CZ 450/453 (46.2 mb).
17 April 2021: Corrected a minor typographical error on the "Jawa References" page.
24 May 2021: Added March 1975 Technical Bulletin for the 634 Jawa (provided by Lloyd, New Zealand).
3 June 2021: Added an article about Jawa rear suspension servicing from Czech Motor review July 1962, provided by Steve J.
15 June 2021: Added some text & a photo in "Sold.html", about "Brian Collins Motorcycles", where I bought my first motorcycle - a Bridgestone.
15 June 2021: Added to Californian.html some information (with some photos) about Sydney area Jawa/CZ Dealers 1968-83 based on adverts from old Revs Motorcycle magazines, and my memory.
7 July 2021: Added Article on 250 Jawa Californian from "Revs" Newspaper, 1 June 1973.
7 July 2021: Added summary of 250 CZ MX and Enduro from "Revs" Newspaper, 9 March 1973.
13 July 2021: Added a statement on the Jawa Model 11 ("Perak") page to clarify the bikes probable year of manufacture.
13 July 2021: Added two new photos to Ancestors.html ("Beatties-bike-2" & "Frank Toms") with some explanation.
15 July 2021: (1) Amended "myexperience.html" to add "Type F" to the ATF to be used in the Jawa gearbox & primary drive. (2) added a section on Jawa gearbox end float.
10 August 2021: Amended the Jawa Workshop page reference from page 19 to page 23 in the Gearbox section of the Shed Archive ("myexperience.html").
20 August 2021: Updated "Modified362Crankshaft.html" to summarise the rebuilding of the 350cc off-road hybrid Jawa's crankshaft.
20 August 2021: Updated "MyExperience.html" to include a short description of crankcase vents on some Jawas (with pictures).
21 August 2021: Updated "MyExperience.html" to include a a link to a YouTube of Jawa gearbox assembly (https://www.youtube.com/watch?v=W4FurCJw7U4).
24 August 2021: Started removing "Bubbles" content and generally reworked using Visual Studio Code to produce a non-"Bubbles" version of Jims-shed (not published yet).
24 August 2021 and later: fixed and slightly modified various text for better grammar and understanding)
26 August 2021: added 2003 crankshaft rebuild measurements link to the Jawa 634 Outfit page (634.html)
26 August 2021: Added the OffRoad Jawa sound clip to 362.html.
27 August 2021: Added JawaManiak to Jawa links in JawaReferences.html.
4 September 2021: Added "Setting TDC and timing" to archive.html, along with links to a YouTube explanation, DegreeWheel.jpg & a spreadsheet calculator (degrees<->mm).
9 September 2021: Added extra photographs to Tibet-Nepal.html
18 September 2021: Added information about the use of a "timing tape" to "Archive.html".
8 September 2021: edited some "dead links" in JawaReferences.html & added one to https://jawaireland.ie/.
29 September 2021: Added comment towards the end of "Californian.html" about the undersized main jet (#90) and replacement with #115).
29 September 2021: Added "Jawa changes-Technical Report.pdf" to "JawaReferences.html".
29 September 2021: Added "Harleywla.pdf" to "Archive.html".
30 September 2021: Added 1978 & 1979 350cc Jawa 634 Brochures to Jawa/Brochures.
13 October 2021: Added 1956 "Jawa Models 353/03 and 354/03 Specification and Operators Manual" to Jawa References.
13 October 2021: Fixed broken links in Jawareferences.html.
6 November 2021: Added 11 pdf files to the Jawa Manuals section, pertaining to pre-WW2 CZ; provided by Bob Clarke. Also incuded a link to CZETMANIA page with similar information.
6 November 2021: Added 5 Jawa 500 pdf files to the Jawa Manuals section (some of which include some 350 information); provided by Alexei.
22 December 2021: Added a short paragraph & picture about removing a Jawa's front primary drive sprocket.
27 December 2021: Changed background colour of home page (#eeffcc).
27 December 2021: Updated shed picture (jims-shed.jpg, 512 x 359) on home page.
2 January 2022: Fixed bad links in archive.html (link MUST include the folder when called from a "bubble")
5 May 2022: reworded section on Jawa head gaskets in "jawa/myexperience.html".
11 June 2022: Added Brochure-Jawa-1929-1979.pdf to Jawa brochures.
3 July 2022: Slightly modified the wording about lapping the Jawa cylinder head, in the Head Gasket section of the "Things I have Learned about Jawas" page.
23 July 2022: Added Article on Swedish Military Jawa 579.
29 October 2022: Added a brochure for the 250cc CZ Trial Pastoral "Jackaroo".
29 October 2022: Added a Jawa Workshop Handbook for Jawa PERAK 11 (250cc), 18 (350cc) & 15 (500cc twin, 4 stroke). Czech Language.
24 February 2024: Added a note to the Jawa Land Patrol page to indicate that it has been sold.