Engine Oil; Chain - Yamaha YFM350S Owner's Manual

Engine oil

Make sure the engine oil is at the specified level.
Add oil as necessary. (See pages 8-15–8-25.)
CAUTION:
_
G
In order to prevent clutch slippage (since
the engine oil also lubricates the clutch),
do not mix any chemical additives. Do not
use oils with a diesel specification of "CD"
or oils of a higher quality than specified. In
addition, do not use oils labeled "ENERGY
CONSERVING II" or higher.
G
Make sure that no foreign material enters
the crankcase.
_
Recommended engine oil type and quantity:
See page 10-2.

Chain

Check the general condition of the chain and
check the chain slack before every ride. Lubricate
and adjust the chain as necessary. (See pages
8-67–8-71 for details.)
5-13
EBU10842
EBU00498