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Neat little oddball bike, zero info.




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#1
Haus of Projects / Re: Yamaha YA-1 Resurrection
Last post by Yamanatic - Today at 12:44:23 PM
Thanks for the link - sadly there many similar sites that never come up thanks to the commercialization and monetization of Google; I have a Forum website myself, and it has yet to show in direct searches on Google using the name of the site - I've recently moved to using DuckDuckGo or Bing; they list my site and it does come up on page 1 in searches.

I may try a wanted ad for YA-1 stuff, but suspect that what I need is a little old and too far out there. Mainly what I need is Yamaha specific like a lever perch, ignition switch and key, rubber bits like knee-grips and peg rubbers etc.

That site gave me an idea though, I might have something right up their alley to post: my wall-size Mark Brelsford 3D poster from 1973:


Thanks again for the info and link - much appreciated!


Warren
#2
Haus of Projects / Re: Yamaha SRX/RD Hybrid
Last post by RDnuTZ - Today at 09:47:11 AM
Nice, I like it! I was always hoping to 1 day do a RD motor transplant into a more modern chassis- but not too modern where they can lose the vintage coolness. Had targeted Kawasaki GPZ305 for the transplant recipient but too many other things sucked up my time over the decades and I'm realizing this will probably never happen  :sad:
#3
to be fair, it is free shipping...
#4
Haus of Projects / Re: Yamaha SRX/RD Hybrid
Last post by Robjack182 - May 23, 2024, 11:27:55 PM
Looks great!    How did you prep the metal for painting.    Sandblast, OSPHO, primer?
#5
General Chatter / Re: RIP Frame Maker
Last post by Todd Horton - May 23, 2024, 03:31:40 PM
Sad news, RIP
#6
Race Discussions / Re: 2024 MotoGP - Aleix retire...
Last post by SoCal250 - May 23, 2024, 01:19:41 PM
"The Captain" is retiring. Aleix Espargaro has announced that 2024 will be his final season on the grid.
#7
Turning Wrenches / Re: 73 RD350 running lights
Last post by Vintagewannabe - May 23, 2024, 12:51:52 PM
Honestly does make me feel better that I hadn't started throwing parts at it
Thanks friend!
#8
Haus of Projects / Re: Yamaha YA-1 Resurrection
Last post by RDnuTZ - May 23, 2024, 12:51:18 PM
growing up dirt biking in SoCal in late 1960s, 1970s many bikes had Sachs motors in them. Penton, Zundap, Monark,and DKW among them. Some were directly licensed by German Sachs, some imitators that probably weren't. Eventually all of them became branded with KTM on the exact same engines. We all know how big the Austrian KTM conglomerate has become absorbing and buying out other brands.

Here's a link to a VMX swap meet site owned/operated by a guy named Mark Holloway who has an extensive collection of 1973/74 125 dirt bikes. If you look at the main page of this site you'll see a list of era 125s he's acquired and some he's still looking for- but many pictures and stories on his restorations on his collection. You can see how many bikes used the Sachs/KTM motors of the era. Might be a good place to expand options of different brands for parts interchangeability...

https://www.vintagemx.us/cgi-bin/swapmeet.cgi


#9
Turning Wrenches / Re: idle screw does not raise ...
Last post by m in sc - May 23, 2024, 12:31:12 PM
yup. thats Cv. but it should still be able to idle. also make sure the needle valve seat is big enough, ive been bitten by 1.5mm ID ones not flowing enough. need to be min 2-2.5mm units.
#10
Yamaha Factory Specs and Info / RZ350 manual, zeeltronic info,...
Last post by m in sc - May 23, 2024, 12:25:50 PM
big zip file with repair manual, zeeltronic info for the RZ350.

https://2strokeworld.net/wp-content/uploads/general-tech/RZ350-parts-manual/rz-stuff.zip