Shadow V6-181 3.0L SOHC (1994)
Valve: Specifications
VALVES
Valve length
Intake .................................................................................................................................................................................................... 103.0 mm (4.055 in.)
Exhaust ................................................................................................................................................................................................. 102.7 mm (4.043 in.)
Stem O.D.
Intake ............................................................................................................................................................................... 7.960-7.975 mm (.3134-.3140 in.)
Exhaust ............................................................................................................................................................................ 7.930-7.950 mm (.3122-.3130 in.)
Face angle ............................................................................................................................................................................................................. 45° - 45.5°
Thickness of valve head (Margin)
Intake .......................................................................................................................................................................................................... 1.2 mm (.047 in.)
Limit ....................................................................................................................................................................................................... 0.7 mm (.028 in.)
Exhaust ....................................................................................................................................................................................................... 2.0 mm (.079 in.)
Limit ....................................................................................................................................................................................................... 1.5 mm (.059 in.)
Valve stem to valve guide clearance
Intake ................................................................................................................................................................................... 0.03-0.06 mm (.0012-.0024 in.)
Limit ................................................................................................................................................................................................... 0.10 mm (.0039 in.)
Exhaust ................................................................................................................................................................................ 0.05-0.09 mm (.0020-.0035 in.)
Limit ................................................................................................................................................................................................... 0.15 mm (.0059 in.)
Valve guide length:
Intake ........................................................................................................................................................................................................... 44 mm (1.73 in.)
Exhaust ........................................................................................................................................................................................................ 48 mm (1.89 in.)
Service sizes:
................................................................................................................................................................................................... 0.05 mm (.002 in.) Oversize
................................................................................................................................................................................................... 0.25 mm (.010 in.) Oversize
................................................................................................................................................................................................... 0.50 mm (.020 in.) Oversize
Valve seat
Width of seat contact ............................................................................................................................................................... 0.9 - 1.3 mm (.035 - .051 in.)
Seat angle .............................................................................................................................................................................................................. 44° - 44.5°
Valve spring
Free length .............................................................................................................................................................................................. 50.5 mm (1.988 in.)
Limit ................................................................................................................................................................................................... 49.5 mm (1.949 in.)
Load .................................................................................................................................................................................. 329 N (74 lbs.) at installed height
installed height ....................................................................................................................................................................................... 40.4 mm (1.591 in.)
Limit ................................................................................................................................................................................................... 41.4 mm (1.630 in.)
Out of squareness ................................................................................................................................................................................................ Less than 2°
Limit ............................................................................................................................................................................................................................... 4°
