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Old 03-05-2013, 04:27 PM   #1
Juanjo_NY OP
Made in Argentina
 
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Joined: Dec 2010
Location: WashingtonVille, NY
Oddometer: 4,220
my first 2-stroke.. 72 RD350 NEED HELP!

Hi,

just bought a 1972 Yamaha RD350.
Is a project 90% done.
NEW PISTONS/RINGS and bunch of things the previous owner did.
What it needs is to connect the carburetor hoses, few cables, seat foam/cover, grips and chain.. and go from there I guess.

My question is.
What oil should I use for the engine?
and what kind of chain this thing uses?

any good place to buy stuff for this old bikes?


Thanks in advance.

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Old 03-05-2013, 07:43 PM   #2
RodT
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Joined: Sep 2008
Location: Westwood, CA.
Oddometer: 338
I use Yamalube 2T in my old Yamaha's autolube system and it does a great job. Make sure you bleed the oil pump before you run the bike. If you took the autolube off, than premix the yamalube at 40-1 and you should be fine. I use E-bay for alot of stuff, and also Speed and sport. Bike bandit has NOS yamaha parts , but it is limited. I do not remember what the chain number is but you should be able to look it up on the internet.
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Old 03-05-2013, 07:47 PM   #3
Foot dragger
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Joined: Dec 2006
Location: chico,just below rag dump(nor-cal)
Oddometer: 12,768
That's an R5,not an RD. R5 has no reed valves in the intake,no disc brake on front,must be a few other things. If youve never had a 2 stroke it will be a learning experience. Dont run it too lean,ask an expert if your in doubt.
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Old 03-05-2013, 07:50 PM   #4
Juanjo_NY OP
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Joined: Dec 2010
Location: WashingtonVille, NY
Oddometer: 4,220
thanks,

About the reed valves of the 73, looks like is something the previous owner up-grade.. Personally I have no idea of what that is or what it does.! ;)

"This bike was completely disassembled frame off and redone 5 years ago. It has sat ever since. It now needs a major cleaning. I did put a new battery in it and she still fires right up if you spray fuel in her. Numbers matching 1972 R5 that has been 99% redone with 1973 reed valve jugs. Excellent + condition. All bushings, bearings, seals, piston rings, pistons, tires and tubes, hoses, points, plugs, clamps, etc have all been replaced. The nuts and bolts were switched to stainless in most spots. Even has new grease fittings. I have the tool kit, owners manual, shop manual and key. I also have some extra coils, fuel lines a brand new battery and a spare harness. Everything was repainted or cleaned. It needs a couple of things to finish it up. It needs seat foam and cover, grips and a couple of sticker/emblems and a chain thats pretty much it as far as I remember. It was drained and winterized before storage."
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Old 03-05-2013, 08:02 PM   #5
Juanjo_NY OP
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Joined: Dec 2010
Location: WashingtonVille, NY
Oddometer: 4,220
to be double sure, the Yamalube 2T oil is for the ENGINE, not for the fuel mix right?

For the fuel mix any 2t oil you can find in Autozone will do?
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Old 03-05-2013, 10:44 PM   #6
Tim McKittrick
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Joined: Dec 2003
Location: Wasilla Alaska
Oddometer: 1,660
The Yamalube is indeed for the engine- it goes in the mix oil tank and is injected to lube the engine. So yes, its for the engine, and yes its for the fuel mix... the bike is supposed to mix it automatically.

There is also oil in the transmission.
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Old 03-06-2013, 07:48 PM   #7
tenfiddy
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Joined: Sep 2009
Location: Apalachicola National Forest
Oddometer: 185
You should double check with a manual but I remember putting 30 weight in my RD400 per the specs. Good luck. Looks like a fun bike!
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