1964 Yamaha YG1 restore - Motorcycle Forum
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post #1 of 9 (permalink) Old 10-19-2011, 01:23 AM Thread Starter
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1964 Yamaha YG1 restore

I am restoring my 1964 Yamaha YG1 80cc and can not find anywhere on the web how much and what kind of oil I need to put in the crankcase. The plug does not have a dip stick and there is no sight glass. If anyone can help me out it would be greatly appreciated.

Thanks, Tink
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post #2 of 9 (permalink) Old 10-19-2011, 06:34 PM
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Tink, I don't have an answer to your questions. But you can order for $9.95 an owner's/service manual from these guys that has the information you're looking for.

http://www.repairmanual.com/category/1964-yamaha-yg-1/
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post #3 of 9 (permalink) Old 10-19-2011, 11:33 PM Thread Starter
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Thanks BlueThunder, will have to order the manual.

I disagree with the idea that you can find anything on the internet, I have looked for the info for a long time and never found a thing, other than offers to sell me a manual.....lol.
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post #4 of 9 (permalink) Old 10-25-2011, 08:13 PM
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The YG-1 was my first motorcycle. It's also the first engine I ever rebuilt! I bought it for $25 in 1975. I was 15 years old.
As I recall, I used to run 40 weight oil in the transmission. Just fill it about half way and you should be good to go. I'm assuming you're aware that the engine oil is mixed with the gas since it's a two stroke.
Have fun with that old girl!
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post #5 of 9 (permalink) Old 01-21-2012, 02:59 AM Thread Starter
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I have four now, including the one my father bought new in 1965 and I road that bike all over god's creation as a kid.
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post #6 of 9 (permalink) Old 08-18-2012, 10:00 PM
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Quote:
Originally Posted by YamahaTink View Post
I have four now, including the one my father bought new in 1965 and I road that bike all over god's creation as a kid.
Came across this a bit late but Tink if you have any idea on where I could get a colored wiring diagram it would help. I have a 65 yg1k that is perfect mechanically and has been in a garage since 1968 (still has the tags). I have to get a CHP inspection at the police station and I dont think it has a brake light, it also doesnt have right or left blinkers. Could you confirm? It runs great I just cant get it street legal
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post #7 of 9 (permalink) Old 09-11-2012, 02:31 PM
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If you are resorting an old bike do yourself a favor and get a Clymers book for your model. It will give you all the info you need.
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post #8 of 9 (permalink) Old 03-15-2015, 03:50 PM
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Need help with my 1964 yg1 can only get it to make one spark when I turn the key. Been fighting me for weeks. Any experts around looking to help me out?
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post #9 of 9 (permalink) Old 05-12-2015, 09:09 PM
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Cool stuff man I am looking into restoring a 1964 YJ1 which is probably a bit smaller than your YG1. Will share details if I ever get around to it.
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