SECTION 10 – ENGINE – CHAPTER 1
10-5
CAMSHAFT
Bearing Journal Diameter
60.642–60.668mm (2.3875–2.3885 in)
Bearing Clearance
0.076–0.178mm (0.003–0.007 in)
End Play
0.051–0.18mm (0.0020–0.0070 in)
CONNECTING RODS
Small End Bushing (Internal Diameter)
44.460 - 44.467 mm (1.7504-1.7507)
Big End Bearing Clearance
0.038–0.104 mm (0.0015–0.0041 in)
Clearance Bushing to Piston Pin
0.013–0.025mm (0.0005–0.0010 in)
Side Float
0.13–0.33mm (0.0050–0.0130 in)
Maximum Twist
0.30mm (0.0120 in)
Maximum Bend
0.10mm (0.0040 in)
PISTON PIN
Outside Diameter
41.270–41.275 mm (1.6248–1.6250 in)
PISTONS
Skirt to Cylinder Clearance
0.152-0.182 mm (0.0060 - 0.0072 in) New or unrun engine
0.152-0.194 mm (0.0060 - 0.0096 in) For run engines
Taper (Out of Round)
0.063-0.127 mm (0.0025- 0.0050 in)
Grading Diameter (at Right Angles to
111.64–111.74mm (4.3951–4.3991 in)
Piston Pin)
in increments of 0.0127mm (0.0005 in)
Piston Pin Clearance
0.0127–0.0254mm (0.0005–0.0001 in)
at 21
°
C (70
°
F)
Piston Crown to Block Face,
0.005–0.015mm (0.13–0.38 in)
PISTON RINGS
All Engines
Top Compression Ring
Keystone tapered sides With letter “O” to the top
2nd Compression Ring
Parallel side external step
Side Face Clearance To Ring Groove
0.06–0.105 mm (0.0023 – 0.0041 in)
Piston Groove Width
2.435–2.455 mm (0.0959 – 0.0967 in)
Oil Control Ring
1 off,–Directly above the Piston Pin,
Type
Slotted With Expander
Side Face Clearance To Ring Groove
0.030–0.070 mm (0.0011–0.0028in)
Piston Groove Width
3.02–3.04 mm (0.1189 – 0.1197 in)
