2003 Yamaha Motorsports Big Bear 400 4x4 Owners Manual - Page 125

2003 Yamaha Motorsports Big Bear 400 4x4 Manual

Page 125 highlights

EBU00851 Before installing the spark plug, measure the electrode gap with a feeler gauge and adjust to specification. Spark plug gap: 0.6-0.7 mm (0.024-0.028 in) Air filter cleaning NOTE: 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 filter case. _ _ a. Spark plug gap When installing the spark plug, always clean the gasket surface and use a new gasket. Wipe off any grime from the threads and tighten to the specified torque. Tightening torque: Spark plug: 17.5 Nm (1.75 m·kgf, 12.5 ft·lbf) 8-14 1. Check hose 1. Remove the seat. (Refer to page 4-16 for seat removal and installation procedures.) 2. Remove the air filter case cover.

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8-14
Before installing the spark plug, measure the
electrode gap with a feeler gauge and adjust
to specification.
a.
Spark plug gap
When installing the spark plug, always clean
the gasket surface and use a new gasket.
Wipe off any grime from the threads and tight-
en to the specified torque.
EBU00851
Air filter cleaning
NOTE:
_
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 filter case.
_
1.
Check hose
1.
Remove the seat. (Refer to page 4-16 for
seat removal and installation proce-
dures.)
2.
Remove the air filter case cover.
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)
Tightening torque:
Spark plug:
17.5 Nm (1.75 m·kgf, 12.5 ft·lbf)