Yamaha RD250 Owner's Manual page 62

1. Lubrication and m a i n t e n a n c e chart
T h e s e c h a r t s h o u l d b e c o n s i d e r e d strictly a s a g u i d e to
g e n e r a l l u b r i c a t i o n a n d m a i n t e n a n c e p e r i o d s . Y o u
m u c h t a k e into c o n s i d e r a t i o n t h a t w e a t h e r , t e r r a i n ,
g e o g r a p h i c l a l o c a t i o n s , a n d a v a r i e t y of i n d i v i d u a l u s e s
all t e n d to d e m a n d t h a t e a c h o w n e r alter this t i m e
s c h e d u l e to m a t c h his e n v i r o n m e n t . If t h e - m o t o r c y c l e
is c o n t i n u a l l y o p e r a t e d in an a r e a of h i g h h u m i d i t y ,
t h e n a l l p a r t s m u s t b e l u b r i c a t e d m u c h m o r e
f r e q u e n t l y t h a n s h o w n o n the c h a r t to a v o i d t h e
r e v a g e s of w a t e r o n m e t a l parts. If y o u are in d o u b t a s
t o h o w c l o s e l y y o u c a n f o l l o w t h e s e t i m e
r e c o m m e n d a t i o n s , c h e c k w i t h Y A M A H A d e a l e r in
y o u r a r e a .
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