Yamaha EH64 Owner's Manual page 26

■ Paper element
Clean by tapping gently to remove dirt and blow off dust. Never use oil.
Clean or replace the paper element every 50 hours of operation, and replace element
set every 200 hours or once a year.
Clean and replace air cleaner elements more often when operating in dusty
environments.
TO
CARBURETOR
– 19 –
CHECKING BOLTS, NUTS
AND SCREWS
Retighten loose bolts and nuts.
Check for fuel and oil leaks.
Replace damaged parts with new ones.
Keep safety in your mind.
FUEL AND OIL HOSE
REPLACEMENT
WARNING
Take extreme caution when replacing
fuel hose ; gasoline is flammable.
Replace the fuel and oil hose every 1000
hours or every 2 years.
If fuel and oil hose leak is found, replace
the fuel hose immediately.
CHECKING BATTERY
WARNING
Battery electrolyte is an acid and is
poisonous and corrosive.
Serious injury results from contact with
the skin, eyes or clothing.
If the electrolyte fluid is below level line,
refill battery with distilled water.