Cleaning The Air Filter Element - Yamaha YFM40FBB Owner's Manual

1. Differential gear oil filler bolt
2. Gasket
3. Differential gear oil
4. Correct oil level
8
Recommended differential gear oil:
See page 10-1.
6. Check the oil filler bolt gasket for damage, and
replace it if necessary.
7. Install the oil filler bolt and its gasket, and then
tighten the bolt to the specified torque.
Tightening torque:
Differential gear oil filler bolt:
23 Nm (2.3 m·kgf, 17 ft·lbf)
8. Check the differential gear case for oil leak-
EBU23686

Cleaning the air filter element

The air filter element should be cleaned at the in-
1 2
tervals specified in the periodic maintenance and
3
lubrication chart. Clean or, if necessary, replace
the air filter element more frequently if you are
riding in unusually wet or dusty areas.
4
TIP
There is a check hose at the bottom of the air filter
case. If dust or water collects in this hose, empty
the hose and clean the air filter element and air fil-
ter case.
8-20
age. If oil is leaking, check for the cause.