2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 214Get this manual

2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 214

CYLINDER HEAD Tighten the cylinder head bolts further to reach the specified angle 175185 in the proper tightening sequence
angle, do not loosen the bolt and then retighten itReplace the bolt with new one and perform the procedure again CAUTION:
Do not use torque wrench to tighten the bolt to the specified angle Tighten the bolt until it is at the specified angle When