If you are aware of any of the following symptoms，have your engine inspected and
repaired by your servicing dealer．
●Hard starting or stalling after starting．
●Rough idle．
●Misfiring or backfiring under load．
●Afterburning(backfiring)．
●Black exhaust smoke or high fuel consumption．
Replacement Parts
The emission control systems on the engine were designed，built，and certified to
conform with EPA and California emissions regulations．We recommend the use of
genuine our parts whenever you have maintenance done． These original-design
replacement pads are manufactured to the same standards as the original parts．So you
can be confident of their performance．The use of replacement parts that are not of the
original design and quality may impair the effectiveness of your emission control
system．
A manufacturer of an aftermarket part assumes the responsibility that the part will not
adversely affect emission performance．The manufacturer or rebuilder of the part must
certify that use of the part will not result in a failure of the engine to comply with emission
regulations．
Maintenance
Follow the maintenance schedule．Remember that this schedule is based on the
assumption that your machine will be used for its designed purpose. Sustained
high-load or high-temperature operation，or use in unusually wet or dusty conditions，
will require more frequent service．
OXYGENATED FUELS
Some conventional gasoline are being blended with alcohol or an ether
compound．These gasoline are collectively referred to as oxygenated fuels．To meet
clean air standards，some areas of the United States and Canada use oxygenated fuels
to help reduce emissions．
If you use an oxygenated fuel, be sure it is unleaded and meets the minimum octane
rating requirement．
Before using an oxygenated fuel ， try to confirm the fuel’s contents ． Some
States/Provinces require this information to be posted on the pump．
The following are EPA-approved percentages of oxygenates：
ETHANOL-(ethyl or grain alcohol) 10%by volume．You may use gasoline containing
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