B A S I C I N S T R U C T I O - Yamaha RD250 Owner's Manual

24
BASIC INSTRUCTION
1. G a s o l i n e
U s e fuel w i t h a n o c t a n e rating of 9 0 or m o r e . S o m e
regulär f u e l s a n d m o s t m i d - r a n g e h a v e m o r e t h a n 9 0
o c t a n e ratings. Ethyl g r a d e f u e l s u s u a l l y h a v e o c t a n e
r a t i n g s in e x c e s s of 1 0 0 . In a d d i t i o n , t h e y h a v e c o n -
s i d e r a b l e a d d i t i v e t e t r a - e t h y l l e a d w h i c h c a n c a u s e
s p a r k p l u g p r o b l e m s . W h e n e v e r p o s s i b l e , u s e f r e s h ,
l o w l e a d g a s o l i n e .