2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 33Get this manual

2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 33

COMPRESSION PRESSURE MEASUREMENT INSP ADJ COMPRESSION PRESSURE MEASUREMENT NOTE: Insufficient compression pressure will result
engine, warm it up for several minutes, and then turn it off3Remove: Fuel tank Refer to "SEAT AND FUEL TANK" in CHAPTER 54Remove:
Spark plug CAUTION: Before removing the spark plugs, use compressed air to blow away any dirt accumulated in the spark plug