21
Misc / Open / Re: Barn find!
« Last post by Rozabikes Tim on May 03, 2024, 05:20:47 PM »Gosh really. No pneumatic valve control needed in those days then per Messers Marquez et al. 😜
Try our new info resource - "Aladdin's Cave" (Main menu)
Just added a separate link to Ash's Dropbox thread (shortcut)
21
Misc / Open / Re: Barn find!« Last post by Rozabikes Tim on May 03, 2024, 05:20:47 PM »Gosh really. No pneumatic valve control needed in those days then per Messers Marquez et al. 😜
22
Out & About / Re: A quick trip in the sunshine on the 550« Last post by Bryanj on May 03, 2024, 05:18:45 PM »Its what happens on that half day in August when nobody is looking
23
Misc / Open / Re: Barn find!« Last post by K2-K6 on May 03, 2024, 04:52:22 PM »Well done that chugs along lovely! The intake valve may be simple vacuum operation, needing no cam to apply it during the "suck" stroke .... matches the cadence of a slow rpm without complication of mechanical opening. 24
Out & About / Re: A quick trip in the sunshine on the 550« Last post by SteveW on May 03, 2024, 04:34:28 PM »What’s this sunshine thing you’re on about ☹️
25
Out & About / Re: A quick trip in the sunshine on the 550« Last post by Laverda Dave on May 03, 2024, 04:19:02 PM »Hi Dave, Thanks Ian. A bit more history to add to my WW11 memory bank in case I am asked about them during my guided tours of the Battle of Britain bunker (No 11 Group, Uxbridge). 26
Out & About / Re: Crich in July« Last post by paulbaker1954 on May 03, 2024, 04:13:20 PM »Hi Julie
Be great if you could organise us 4s an area I am number 349 27
Misc / Open / Re: Barn find!« Last post by Rozabikes Tim on May 03, 2024, 03:29:44 PM »Well done that chugs along lovely!
Why only one valve operating? Assuming that is what it is / induction exhaust cycle etc?? 28
Misc / Open / Re: Barn find!« Last post by SteveD CB500K0 on May 03, 2024, 03:06:28 PM »I’ve been to Molde.
Those apartments by the harbour are really posh. I’ll bet they appreciated the plumes of particulates Sent from my iPhone using Tapatalk 29
Misc / Open / Re: Barn find!« Last post by K2-K6 on May 03, 2024, 02:54:37 PM »Related, but different in combustion process
https://youtu.be/kCoOTbhapnk?si=gFN27-oARy3QqMek Really cool and calm old boat. 30
CB500/550 / Re: 1975 CB500K1 crank rotation resistance« Last post by McCabe-Thiele (Ted) on May 03, 2024, 02:47:46 PM »On both my 400 & 500 I could rotate the crank by hand easily using the alternator rotor as a grip point.
It probably depends on your grip strength in my case it was not as easy with the pistons in place though it was easy to rock it through what I call the null pont. |