2008 Yamaha Motorsports Big Bear 400 4x4 IRS Owners Manual - Page 116

2008 Yamaha Motorsports Big Bear 400 4x4 IRS Manual

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EWB01930 WARNING POTENTIAL HAZARD Improperly purging the exhaust system. Hot exhaust system. WHAT CAN HAPPEN Could injure the eyes. Could cause burns. Could cause carbon monoxide poisoning, possibly leading to death. Could start a fire. HOW TO AVOID THE HAZARD When purging the exhaust system: Always let the exhaust system cool prior to touching exhaust components. Always wear eye protection, and make sure no one is behind the ATV. Never run the engine in an enclosed area. Make sure there are no combustible materials in the area. EBU23940 1. Purging bolt 8 2. Start the engine and rev it up approximately twenty times while momentarily creating exhaust system back pressure by blocking the end of the muffler with a shop towel. 3. Stop the engine and allow the exhaust pipe to cool. 4. Install the purging bolt, and then tighten it to the specified torque. Tightening torque: Purging bolt: 10 Nm (1.0 m·kgf, 7.2 ft·lbf) Adjusting the carburetor The carburetor should be checked and, if necessary, adjusted at the intervals specified in the periodic maintenance and lubrication chart. The carburetor is an important part of the engine and 8-24

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8-24
8
2.
Start the engine and rev it up approximately
twenty times while momentarily creating ex-
haust system back pressure by blocking the
end of the muffler with a shop towel.
3.
Stop the engine and allow the exhaust pipe to
cool.
4.
Install the purging bolt, and then tighten it to
the specified torque.
WARNING
EWB01930
EBU23940
Adjusting the carburetor
The carburetor should be checked and, if neces-
sary, adjusted at the intervals specified in the peri-
odic maintenance and lubrication chart. The
carburetor is an important part of the engine and
1.
Purging bolt
Tightening torque:
Purging bolt:
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
POTENTIAL HAZARD
Improperly purging the exhaust system.
Hot exhaust system.
WHAT CAN HAPPEN
Could injure the eyes.
Could cause burns.
Could cause carbon monoxide poisoning,
possibly leading to death.
Could start a fire.
HOW TO AVOID THE HAZARD
When purging the exhaust system:
Always let the exhaust system cool prior to
touching exhaust components.
Always wear eye protection, and make sure
no one is behind the ATV.
Never run the engine in an enclosed area.
Make sure there are no combustible materi-
als in the area.