2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 19Get this manual

2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 19

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SPARK PLUGSFUEL LINE INSPECTION ENGINE SPARK PLUGS
1 Remove: Left side cover Refer to "COVERS" in CHAPTER 32 Remove: Ignition coils Spark plugs 3 Inspect: Electrodes Damagewear Replace the spark