Maintenance Specifications; Engine - Yamaha RS90GTZ Service Manual

MAINTENANCE SPECIFICATIONS

ENGINE

Item
Cylinder head:
Volume (with spark plug)
<Warpage limit>
Cylinder:
Material
Bore size
<Taper limit>
<Out of round>
Camshaft:
Drive system
Camshaft cap inside diameter
Camshaft journal diameter
Camshaft-journal-to-camshaft-cap
clearance
Camshaft lobe dimensions
Intake "A"
<Limit>
"B"
<Limit>
Exhaust "A"
<Limit>
"B"
<Limit>
Camshaft runout
Timing chain:
Tensioning system
MAINTENANCE SPECIFICATIONS
25.21 ~ 26.01 cm
0.10 mm (0.0039 in)
* Lines indicate straight edge measurement.
Aluminum alloy with dispersion coating
82.000 ~ 82.010 mm (3.2283 ~ 3.2287 in)
0.050 mm (0.0020 in)
0.050 mm (0.0020 in)
Chain drive (right)
24.500 ~ 24.521 mm (0.9646 ~ 0.9654 in)
24.459 ~ 24.472 mm (0.9630 ~ 0.9635 in)
0.028 ~ 0.062 mm (0.0011 ~ 0.0024 in)
33.750 ~ 33.850 mm (1.3287 ~ 1.3327 in)
33.650 mm (1.3248 in)
24.950 ~ 25.050 mm (0.9823 ~ 0.9862 in)
24.850 mm (0.9783 in)
33.750 ~ 33.850 mm (1.3287 ~ 1.3327 in)
33.650 mm (1.3248 in)
24.950 ~ 25.050 mm (0.9823 ~ 0.9862 in)
24.850 mm (0.9783 in)
0.030 mm (0.0012 in)
Automatic
9-4
SPEC
Description
3
(1.54 ~ 1.59 cu.in)