9. CYLINDER HEAD/VALVES MYROAD 700i Measure compressed force (valve spring) and installed length. Replace if out of specification. Standard: Inner: 2.9 kg/32 mm Outer: 12.4 kg/35 mm Measure the spring tilt. Replace if out of specification. Standard: Inner: 1.2 mm Outer: 1.2 mm ASSEMBLY Install the valve spring seats and oil seal. Be sure to install new oil seal. (2) Install the seat valve spring. Install the new stem seals (1) Lubricate each valve with engine oil or molybdenum disulfide oil and insert the valves into the valve guides. To avoid damage the stem seal, turn the valve slowly when inserting. Valve Spring Compressor Install the valve springs and retainers. Install the valve cotters using the special tools as shown. · When assembling, a valve spring compressor must be used. · Install the cotters with the pointed ends facing down from the upper side of the cylinder head. Special tool: Valve Spring Compressor A120E00040 9-14