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Help for an RM50

Joined
Jun 28, 2007
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#1
Help! My better halves just bought a 1978Suzuki RM50 so our wife could learn how to ride(she is very tiny).

It is a 2 stroke, does anybody know the oil to gas ratio?

The new ones are oil injected to avoid premixing but i do not know if this one is or not. How do i tell?

Any info will be appreciated, Tess
 

RM_guy

Moderator /
Damn Yankees
Joined
Nov 21, 2000
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#2
I believe that bike is oil injected but look under the seat or behind side panels for a small tank. Use oil specifically for oil injection.
 
Joined
Oct 21, 2006
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#3
you can use klotz - its good for pre mix ,or injection-and its great oil!
its a rm- race bike- its not injected-
try 32:1-
20:1 with race fuel i think is factory- but even thats rich on oil-

20:1 is more oil than 32:1, and smokes,and fouls plugs like crazy-
 
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Nov 27, 2000
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#4
Save your search for the oil tank, that was a premix model. At the time, we ran CCI 20:1 in those bikes but you should be fine with a more modern oil at 40:1