2008 Suzuki LT-A400/F, LT-F400/F ATV Service Manual, Page 99Get this manual
Engine Mechanical: Insert the valves, with their stems coated with molybdenum oil solution all around and along the full stem length without any breakMO: Molybdenum oil (MOLYBDENUM OIL SOLUTION)! 1D-23
CAUTION
When inserting each valve, take care not to damage the lip of the stem seal
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Install the valve spring with the small -pitch portion "A" facing cylinder head"B" Large-pitch potionPaint
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