TECHNICAL DATA 25
25.2
Tolerance, engine wear limits
Camshaft - cam height
Exhaust
33.10 ... 33.30 mm (1.3031 ... 1.311 in)
Intake
33.90 ... 34.10 mm (1.3346 ... 1.3425 in)
Valve spring
Intake minimum length (without valve spring seat) 40.7 mm (1.602 in)
Exhaust minimum length (without valve spring
40. 7 mm (1 .602 in)
seat)
Valve spring seat
1.8 mm (0.071 in)
Cylinder/cylinder head - sealing area distortion
s; 0.10 mm (:5 0.0039 in)
Piston - diameter
Size I
94.93 ... 94.96 mm (3.7374 ... 3.7386 in)
Size II
94.94 ... 94.97 mm (3. 7378 ... 3. 739 in)
Cylinder - drill hole diameter
Size I
95.000 ... 95.012 mm (3.74015 ... 3.74062 in)
Size II
95.013 ... 95.025 mm (3.74066 ... 3.74113 in)
Piston/cylinder - mounting clearance
Size I
0.040 ... 0.082 mm (0.00157 ... 0.00323 in)
Size II
0.043 ... 0.085 mm (0.00169 ... 0.00335 in)
Wear limit
0.120 mm (0.00472 in)
Piston ring end gap
Compression ring
s; 1.00 mm (:5 0.0394 in)
Oil scraper ring
s; 1.20 mm (:5 0.0472 in)
Connecting rod - end play of lower conrod bearing
0.20 ... 0.45 mm (0.0079 ... 0.0177 in)
Crankshaft - run-out on bearing pin
s; 0.03 mm (:5 0.0012 in)
Clutch disc pack - thickness
Wear limit
� 26.4 mm (� 1 .039 in)
Clutch spring - length
45.60 ... 46.80 mm (1. 7953 ... 1.8425 in)
Oil pressure control valve
Minimum length of pressure spring
22.1 mm (0.87 in)
Shift shaft - play in sliding plate/shift quadrant
0.40 ... 0.80 mm (0.0157 ... 0.0315 in)
25.3
Engine tightening torques
Screw, oil jet for piston cooling
M4
2 Nm (1.5 lbf ft)
Loctite
®
243
™
Crankshaft speed sensor screw
M5
6 Nm (4.4 lbf ft)
and cable retainer
Loctite
®
243
™
Oil nozzle for clutch lubrication
M5
2 Nm (1.5 lbf ft)
Loctite
®
243
™
Oil nozzle for timing chain lubrica-
M5
2 Nm (1.5 lbf ft)
tion
Loctite
®
243
™
Oil nozzle, piston cooling
M5
2 Nm (1.5 lbf ft)
Loctite
®
243
™
Oil nozzle, rocker arm lubrication
M5
2 Nm (1.5 lbf ft)
Loctite
®
243
™
271