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 Post subject: 1969 Yamaha YR3
PostPosted: Thu Feb 08, 2018 7:03 am 
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Joined: Mon Apr 22, 2013 6:38 am
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Location: SW Pennsylvania
Country: USA
Bikes owned: 1974 GT185
A local shop near me has a 1969 Yamaha YR3 350 2 stroke twin. Been there a long time, 5+ years. Solid project, complete, low miles, hasn't run in years. Guy wants (5 years ago) $1500. I drove past the shop and it's still there, thinking about making the guy an offer. Haven't found alot of info on this bike on the net. Seems to be the precedessor to the R5 and RD350. Parts are rare. Any of the older gentlemen on here remember anything about these bikes? Is it something to consider or avoid?


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 Post subject: Re: 1969 Yamaha YR3
PostPosted: Thu Feb 08, 2018 7:20 am 
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Joined: Tue Dec 16, 2008 11:37 am
Posts: 903
Location: Trowbridge UK
Country: UK
Bikes owned: T500R, SV1000S, TS125, Seeley T500
The YR5 is a cracking machine. As you say the forerunner to the RD series. Spares are reasonably good too. A very attractive looking machine to my tastes, if you can get it for a fair price go for it.

Cheers Geoff


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 Post subject: Re: 1969 Yamaha YR3
PostPosted: Thu Feb 08, 2018 7:54 am 
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Joined: Mon Dec 13, 2010 4:32 pm
Posts: 3243
Location: southwestern Pennsylvania
Country: USA
Bikes owned: 69 T350 thru 75 GT750
I’ve seen the YR3 but never really looked at it that closely. Its listed in the online parts manuals so you can check for the availability of key parts.
Looks like a fun project if you can get some key parts like oversize pistons.

Its worth joining a two stroke forum that covers Yamaha. They will be able to clue you in on issues.

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BAS (Bike Acquisition Syndrome) - too many bikes but have room for more

Suzuki:
GT750 2x75
GT550 72 project & 75
GT380 72
T500 73 project
T350 69, 71 & 72 project
T250 72
Honda 85 CB650SC & 86 CB700SC
09 Triumph Bonneville SE


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 Post subject: Re: 1969 Yamaha YR3
PostPosted: Thu Feb 08, 2018 8:15 am 
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Joined: Mon Oct 24, 2016 12:35 pm
Posts: 131
Location: Macon, GA
Country: USA
Bikes owned: 76 GT750, 72 H2 750, 84 RZ350, 67 YR1, 82 MB5
I have a 1967 YR1- pic below. 4400 mile original. I went through the engine last year. The 69 R3 was the last of this 1st generation and has some unique one year parts to it. Personally, I love the styling of these old machines. PM me if you have questions and if I can help.


Attachments:
IMG_5802.JPG
IMG_5802.JPG [ 127.78 KiB | Viewed 1376 times ]

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1976 Suzuki GT750 (Maui Blue), 1972 Kawasaki H2 750 Mach IV (Candytone Blue), 1984 Yamaha RZ350 (KRR- Yellow/ Black).
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 Post subject: Re: 1969 Yamaha YR3
PostPosted: Thu Feb 08, 2018 11:49 am 
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Joined: Mon Apr 22, 2013 6:38 am
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Location: SW Pennsylvania
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Bikes owned: 1974 GT185
Thanks for the responses. Think I'm going to talk to the guy at the shop on Saturday. Possibly check to see if the motor is seized and make 100% sure it's complete. As for today I think I'm going to check Partzilla to see what is actually still available for this machine as jabcb suggested. BTW this bike sits in the front window of the shop... Like a pet store with a cute puppy in the window scratching at the window saying "Take me home" every time I drive by... :?


Last edited by Flywheel on Thu Feb 08, 2018 11:54 am, edited 1 time in total.

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 Post subject: Re: 1969 Yamaha YR3
PostPosted: Thu Feb 08, 2018 11:53 am 
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Joined: Mon Oct 24, 2016 12:35 pm
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Location: Macon, GA
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Bikes owned: 76 GT750, 72 H2 750, 84 RZ350, 67 YR1, 82 MB5
Post up a pic of it later and can tell you what's complete/ missing/ original etc. I have some surplus parts myself that fit it and a lot is still available. Exhausts and gàuges are one year only

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1976 Suzuki GT750 (Maui Blue), 1972 Kawasaki H2 750 Mach IV (Candytone Blue), 1984 Yamaha RZ350 (KRR- Yellow/ Black).


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 Post subject: Re: 1969 Yamaha YR3
PostPosted: Thu Feb 08, 2018 12:03 pm 
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World Superbike
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Joined: Thu Feb 16, 2012 11:50 am
Posts: 2153
Location: The Republic of South Yorkshire
Country: England
Bikes owned: GT550s GT750 GSX1400 and lots of spares
IIRC, that was called the YDS3 in the UK. I remember them in the late 60's/very early 70s.
Plenty of info online - here's some pics;

https://uk.images.search.yahoo.com/sear ... 3&fr=yfp-t

More info;

https://uk.search.yahoo.com/search?p=ya ... s&ei=UTF-8

Plenty of stuff on ebay if that's the one you need.

https://www.ebay.co.uk/sch/i.html?_nkw=yamaha+yds3


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 Post subject: Re: 1969 Yamaha YR3
PostPosted: Thu Feb 08, 2018 12:38 pm 
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Location: Illinois
Almost right Alan. YDS is the 250 version, YR is the 350. 250 more common in the UK at the time and 350 more common in the US I believe.

Looking at google pictures of YR3, some seem to have a tank and seat that wrap over the side panels and others have a tank and seat that runs above the side panels. Presumably they are different years. Did teh YR1 and 2 have the more curved bottom edge and the later R3 have the straight tank bottom or the other way around?


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 Post subject: Re: 1969 Yamaha YR3
PostPosted: Thu Feb 08, 2018 2:18 pm 
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Joined: Mon Apr 22, 2013 6:38 am
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Location: SW Pennsylvania
Country: USA
Bikes owned: 1974 GT185
Evans Ward wrote:
Post up a pic of it later and can tell you what's complete/ missing/ original etc. I have some surplus parts myself that fit it and a lot is still available. Exhausts and gàuges are one year only


Sorry I don't have a pic and the shop isn't on-line. IIRC it does have the original clocks (two) unlike your YR1 Speedo/tach combo. Pipes have the "funneled down" tips.

TZ... I believe from what I saw they all have a curved bottom edge, its just that some of them had a two-tone paint job and starting on a horizontal seam on the tank were painted black below that. The one I'm looking at is solid orange in color


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 Post subject: Re: 1969 Yamaha YR3
PostPosted: Thu Feb 08, 2018 4:04 pm 
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Joined: Mon Oct 24, 2016 12:35 pm
Posts: 131
Location: Macon, GA
Country: USA
Bikes owned: 76 GT750, 72 H2 750, 84 RZ350, 67 YR1, 82 MB5
Sounds like it has the correct clocks and "pea shooter" pipes. Hopefully it has the 2 rubber air box snorkels as those are expensive. Sounds original!

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1976 Suzuki GT750 (Maui Blue), 1972 Kawasaki H2 750 Mach IV (Candytone Blue), 1984 Yamaha RZ350 (KRR- Yellow/ Black).


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 Post subject: Re: 1969 Yamaha YR3
PostPosted: Thu Feb 08, 2018 5:04 pm 
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Joined: Thu Feb 16, 2012 11:50 am
Posts: 2153
Location: The Republic of South Yorkshire
Country: England
Bikes owned: GT550s GT750 GSX1400 and lots of spares
tz375 wrote:
250 more common in the UK at the time and 350 more common in the US I believe.

Probably so. Very few 350s about here as that class of bikes were considered too small for serious biking and too big for learners who were limited to 250s back then. Although tbe 350 Bridgestone opened peoples eyes a bit.


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 Post subject: Re: 1969 Yamaha YR3
PostPosted: Fri Feb 09, 2018 12:09 pm 
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Road race school

Joined: Wed Jul 10, 2013 12:04 pm
Posts: 814
Country: England, UK
Bikes owned: FZ50, GP100, RG125 Gamma, GT380, Bandit 1200S
Wasn't the bridgestone a 2-stroke harley?


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 Post subject: Re: 1969 Yamaha YR3
PostPosted: Fri Feb 09, 2018 1:14 pm 
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Joined: Thu Feb 16, 2012 11:50 am
Posts: 2153
Location: The Republic of South Yorkshire
Country: England
Bikes owned: GT550s GT750 GSX1400 and lots of spares
No, the Bridgestone 350GTR was a disc valved 6 speed two stroke twin. I'd still like one - missed one last year to be truthful.

Pics below;

https://uk.images.search.yahoo.com/sear ... r&fr=yfp-t


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 Post subject: Re: 1969 Yamaha YR3
PostPosted: Fri Feb 09, 2018 1:18 pm 
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Joined: Tue Dec 16, 2008 11:37 am
Posts: 903
Location: Trowbridge UK
Country: UK
Bikes owned: T500R, SV1000S, TS125, Seeley T500
sportston wrote:
Wasn't the bridgestone a 2-stroke harley?


You are probably thinking of the Aermacchi 2-st (Walter Villa w/champion etc.) badged as Harley Davidson. sportston.

Bridgestone were an innovative manufacturer. Urban myth has it the as they supplied all the other Japanese manufactures with OEM tyres they were told they would lose the OEM tyre business if they kept on producing bikes.

Cheers Geoff


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 Post subject: Re: 1969 Yamaha YR3
PostPosted: Fri Feb 09, 2018 2:18 pm 
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Road race school

Joined: Wed Jul 10, 2013 12:04 pm
Posts: 814
Country: England, UK
Bikes owned: FZ50, GP100, RG125 Gamma, GT380, Bandit 1200S
Ah that must be what I was thinking of Geoff. Thanks. I read an article a while ago about the Bridgestone, but also read one about the Harley, I guess I must have muddled the two. Pity that Bridgestone stopped making bikes. I wonder what would have been...


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