2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 222Get this manual

2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 222

VALVES AND VALVE SPRINGS 2Lubricate: Valve stem Valve stem seal (with the recommended lubricant) Recommended lubricant: Molybdenum
Make sure each valve is installed in its original place Install the valve spring with the larger pitch facing upb Smaller
pitch 4Install: Valve cotters Install the valve cotters by compressing the valve spring with the valve spring compressor