2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 366Get this manual

2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 366

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MAINTENANCE SPECIFICATIONS Model Valve spring: Free length Intake Limit Exhaust Limit Installed length (valve closed) Intake Exhaust Compressed spring force (installed) Intake Exhaust Spring tilt Inta