2003 ST 4 Stroke 9.9/15HP Johnson outboards Service Manual, Page 108Get this manual
POWER UNIT SERVICE DATA Data J10 R, TE, EL J15 R, TE, EL
Item VALVENALVE GUIDE
Valve diameter IN EX Valve clearance (when cold) IN EX Valve guide to valve stem clearance IN
mm(in) mm (in) mm(in) mm(in) mm(in) mm(in) mm(in) mm (in) mm(in) mm(in) mm(in) mm(in) mm(in) mm (in) mm(in) mm(in) mm(in) mm(in) mm(in) kg (Ib) kg (Ib)
26 (1 .0) 22 (0.9) 0.080.12 (0 .0030.005) 0.130.17 (0.0050.007) 0.0100.037 (0.00040.0015) 0.070 (0.0028) 0.0350.062 (0.00140.0024) 0.090 (0.0035) 5.5005.512 (0.21650.2170) 5.4755.490 (0.21560.2161) 5.4505.465 (0.21460.2152) 2.2 (0.09) 0.016 (0.006) 0.05 (0.002) 0.03 (0.0012) 0.5 (0.02) 0.91.1 (0.0350.043) 32.52 (1.2803) 32.40 (1 .2756) (19.8) at length 28.5 mm (1.12 in) 7.6 (16.8) at length 28.5 mm (1 .12 in)