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1
General Discussion / Re: Bridgestone Hats, Patches & Other Stuff
« Last post by moonpup on Yesterday at 10:29:51 PM »
It's a darn shame this doesn't have the old style "BS" logo on the sides instead of the current "B" design & Firestone!

https://www.ebay.com/itm/Bridgestone-Firestone-Employee-Ring-10K-Yellow-Gold-21-7g-Diamond/223233766598?epid=1001066413&hash=item33f9c4f4c6:g:DCAAAOSwzhZb7xFX:rk:4:pf:0
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350 Talk / Re: Tiny metric screws for GTR
« Last post by BRT-GTR on November 15, 2018, 07:04:38 AM »
    nysz1b,
                 I don't believe Megapack is trying to mislead buyers with their 3 & 4mm'JIS' screws, they can be made with any pitch the manufacturer chooses and still be JIS. The issue is that, prior to 1972, BS and a couple of the other Japanese makers simply chose to use a coarser pitch (than ISO) screw in the aluminium parts. 
          The JIS standard also covered the design of the screw head and the cross recess. The original side case screws were notoriously difficult to remove and often stripped the head, primarily because most of us were using phillips type screwdrivers. If you haven't got any, try a set of proper JIS head screwdrivers and you will find they work much better. Vessel are one of the better makes.
      More info here    http://bridgestonemotorcycleparts.com/index.php?topic=4028.0                           Brian.
3
350 Talk / Re: Tiny metric screws for GTR
« Last post by Jeff Bar on November 15, 2018, 06:46:17 AM »
All this talk about BS screws, has any one asked Richard if he has what you guys are looking for?  I know he has bin after bins of tiny BS screws.   ???   Jeff Bar
4
350 Talk / Re: Tiny metric screws for GTR
« Last post by steve on November 15, 2018, 03:22:45 AM »
If I'm reading correctly what he says on the website, then yes, that is my understanding. He advertises M3 and M4 as JIS but when you look in the section headed 'useful information' it states...
 "Unless otherwise stated here is a general guide to the sizes we supply:-" He then goes on to list the M3 and M4 as ISO pitch threads of 0.5 and 0.7 respectively. The same chart also lists 5mm as the ISO thread, but where you order the 5mm screw, they are clearly stated as 0.9mm pitch, which is JIS.

It seems a slightly confusing way of showing this and I did send him a question to clarify this but didn't get a reply...I'll try him again today and will confirm when known.

Steve
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350 Talk / Re: Tiny metric screws for GTR
« Last post by nysz1b on November 14, 2018, 01:22:39 PM »
Steve: So the M3, M4, etc., screws that Mrmegapack lists as "JIS phillips: are in fact  ISO thread?
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350 Talk / Re: Handlebar bolts
« Last post by nysz1b on November 14, 2018, 01:10:44 PM »
Thanks, moonpup!
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175 & 200 Talk / Re: Racer Resurrection
« Last post by craig641 on November 14, 2018, 10:43:18 AM »
Double check your safety wiring on your exhaust studs.  The one on the right is wired so it's loosening the nut, not tightening it.
9
175 & 200 Talk / Re: Racer Resurrection
« Last post by al_pritchard on November 13, 2018, 12:10:11 PM »
I used a copper spray on the head gasket when I restored the Jeep. It worked - and still is working - very well. Didn't even think to use it for the base shim. Might transition to it when I pull the heads off next time. The Yamabond is a little messy, and not very good at transferring heat.

I did manage to get the engine all buttoned up this weekend. Fingers crossed I did it right. Also set the static timing to 24° BTDC (2.356mm or 0.092in BTDC) The photo below shows the magnet rotated to about TDC. The Dyna fired about when the blue line gets to the raised edge of the pickup. I may go in, sand off the blue lines, and reposition them to allow me to mark the timing on the pickup. For now it's marked on the side of the generator case, and the engine case - blue marks.

Also started practicing my safety wiring skills.







10
General Discussion / Re: Chrome Plating Bridgestone Fuel Tank
« Last post by Chibi62 on November 12, 2018, 06:23:28 PM »
Moon pup - it’s was Atlas. Thanks. Not sure how I lost track of them.

Thanks - Big Help !
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Frame etc Bridgestone 350

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11/01/1967 Factory Service Letter, RH shift/LH Brake conversion

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