25
TECHNICAL DATA
221
Size II
87.976… 87.985 mm (3.46362… 3.46397 in)
Cylinder - drill hole diameter
Size I
88.000… 88.012 mm (3.46456… 3.46503 in)
Size II
88.012… 88.025 mm (3.46503… 3.46554 in)
Piston/cylinder - mounting clearance
Size I
0.025… 0.047 mm (0.00098… 0.00185 in)
Size II
0.027… 0.049 mm (0.00106… 0.00193 in)
Wear limit
0.070 mm (0.00276 in)
Piston ring - end gap
Compression ring
≤
0.40 mm (
≤
0.0157 in)
Oil scraper ring
≤
0.80 mm (
≤
0.0315 in)
Connecting rod - axial play of lower conrod bearing
0.20… 0.45 mm (0.0079… 0.0177 in)
Crankshaft - axial play
0.50… 0.60 mm (0.0197… 0.0236 in)
Crankshaft - run-out at bearing pin
≤
0.03 mm (
≤
0.0012 in)
Clutch facing discs - thickness of total package
≥
26.4 mm (
≥
1.039 in)
Oil pressure regulator valve
Minimum length of pressure spring
23.5 mm (0.925 in)
Shift shaft - sliding plate/shift quadrant clearance
0.40… 0.80 mm (0.0157… 0.0315 in)
Engine oil consumption
≤
20 ml/h (
≤
0.68 fl. oz./hr)
25.3
Engine tightening torques
Nozzle, crank chamber ventilation
M4
2 Nm (1.5 lbf ft)
Loctite
®
243™
Oil nozzle for alternator cooling
M4
2 Nm (1.5 lbf ft)
Loctite
®
243™
Oil nozzle for balancer shaft lubrication M4
2 Nm (1.5 lbf ft)
Loctite
®
243™
Oil nozzle for conrod bearing lubrica-
tion
M4
2 Nm (1.5 lbf ft)
Loctite
®
243™
Screw, oil nozzle for piston cooling
M4
2 Nm (1.5 lbf ft)
Loctite
®
243™
Locking screw for bearing
M5
6 Nm (4.4 lbf ft)
Loctite
®
243™
Oil channel screw plug in alternator
cover
M5
1.2 Nm (0.89 lbf ft)
Loctite
®
648™
Oil nozzle for cam lever lubrication
M5
3 Nm (2.2 lbf ft)
Loctite
®
243™
Oil nozzle for clutch lubrication
M5
6 Nm (4.4 lbf ft)
Loctite
®
243™
Oil nozzle, piston cooling
M5
2 Nm (1.5 lbf ft)
Loctite
®
243™
Screw, clutch spring
M5
6 Nm (4.4 lbf ft)
–
Screw, crankshaft position sensor
M5
6 Nm (4.4 lbf ft)
Loctite
®
243™
Screw, locking lever
M5
6 Nm (4.4 lbf ft)
Loctite
®
243™
Screw, oil pump cover
M5
6 Nm (4.4 lbf ft)
Loctite
®
243™
Screw, stator
M5
6 Nm (4.4 lbf ft)
Loctite
®
243™
Nut, cylinder head
M6
10 Nm (7.4 lbf ft)
Lubricated with engine oil
Nut, water-pump wheel
M6
6 Nm (4.4 lbf ft)
Loctite
®
243™
Screw, alternator cover
M6
6 Nm (4.4 lbf ft)
–
Screw, clutch cover
M6
10 Nm (7.4 lbf ft)
–
Screw, clutch slave cylinder
M6
10 Nm (7.4 lbf ft)
–
Screw, engine case
M6
10 Nm (7.4 lbf ft)
–
Screw, exhaust flange
M6
10 Nm (7.4 lbf ft)
Loctite
®
243™
Screw, kick starter stop
M6
10 Nm (7.4 lbf ft)
Loctite
®
243™
Screw, oil filter cover
M6
10 Nm (7.4 lbf ft)
–
Screw, shift drum locating
M6
10 Nm (7.4 lbf ft)
Loctite
®
243™
Screw, shift lever
M6
14 Nm (10.3 lbf ft)
Loctite
®
243™
Screw, starter motor
M6
10 Nm (7.4 lbf ft)
–
Screw, timing chain guide rail
M6
10 Nm (7.4 lbf ft)
Loctite
®
243™
Screw, timing chain securing guide
M6
10 Nm (7.4 lbf ft)
Loctite
®
243™
Summary of Contents for 350 EXC-F SIX DAYS EU
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