Mazda MX-5 Miata Sport 2007 Manual page 1087

Fig. 19: Identifying Camshaft Cap Bolts Loosening Sequence
Courtesy of MAZDA MOTORS CORP.
21. Remove the camshafts.
22. Remove the tappet.
23. Select proper adjustment tappet.
New adjustment tappet
= Removed tappet thickness + Measured valve clearance - Standard valve clearance (IN: 0.25 mm
{0.0098 in}, EX: 0.30 mm {0.0118 in})
Valve clearance [Engine cold]
IN: 0.22-0.28 mm {0.0087-0.0110 in}
EX: 0.27-0.33 mm {0.0107-0.0129 in}
24. Install the camshaft with No.1 cylinder camshaft lobes aligned with the TDC position.
25. Tighten the camshaft cap bolt with the following two steps.
1. Tighten to 5.0-9.0 N.m {51.0-91.7 kgf.cm, 44.3-79.6 in.lbf}.
2. Tighten to 14.0-17.0 N.m {1.5-1.7 kgf.m, 10.4-12.5 ft.lbf}.
2007 Mazda MX-5 Miata Sport
2007 ENGINE Mechanical - MX-5