23 TECHNICAL DATA 191
Valve - sealing seat width
Intake 1.60 mm (0.063 in)
Exhaust 2.00 mm (0.0787 in)
Valve - run-out
On the valve plate ≤ 0.05 mm (≤ 0.002 in)
On the valve stem ≤ 0.05 mm (≤ 0.002 in)
Cylinder/cylinder head - sealing area distortion ≤ 0.10 mm (≤ 0.0039 in)
Cylinder - bore diameter
Size I 102.000… 102.012 mm (4.01574… 4.01621 in)
Size II 102.013… 102.025 mm (4.01625… 4.01672 in)
Piston - diameter
Size I 101.955… 101.965 mm (4.01397… 4.01436 in)
Size II 101.965… 101.975 mm (4.01436… 4.01476 in)
Piston/cylinder - mounting clearance
New condition 0.035… 0.060 mm (0.00138… 0.00236 in)
Wear limit 0.10 mm (0.0039 in)
Piston ring - groove clearance ≤ 0.08 mm (≤ 0.0031 in)
Piston ring end gap
Compression rings ≤ 0.80 mm (≤ 0.0315 in)
Oil scraper ring ≤ 1.00 mm (≤ 0.0394 in)
Piston - piston pin hole diameter 20.010… 20.020 mm (0.78779… 0.78819 in)
Piston pin - diameter 19.995… 20.004 mm (0.7872… 0.78756 in)
Connecting rod - axial clearance of lower conrod bearing 0.30… 0.60 mm (0.0118… 0.0236 in)
Connecting rod - radial clearance of lower conrod bearing 0.05 mm (0.002 in)
Crankshaft - axial clearance 0.15… 0.25 mm (0.0059… 0.0098 in)
Crankshaft run-out at bearing pin ≤ 0.10 mm (≤ 0.0039 in)
Balancer shaft axial clearance 0.05… 0.20 mm (0.002… 0.0079 in)
Clutch facing disc - thickness ≥ 2.5 mm (≥ 0.098 in)
Intermediate disk - thickness ≥ 1.35 mm (≥ 0.0531 in)
Clutch spring - length 31.5… 33.5 mm (1.24… 1.319 in)
Clutch basket - contact surface of clutch facing discs ≤ 0.5 mm (≤ 0.02 in)
Oil pressure regulator valve - minimum spring length 25.36 mm (0.9984 in)
Oil pump
Clearance between external rotor and engine case ≤ 0.20 mm (≤ 0.0079 in)
Clearance between external rotor and internal rotor ≤ 0.20 mm (≤ 0.0079 in)
Axial clearance 0.04… 0.08 mm (0.0016… 0.0031 in)
Engine oil pressure
Coolant temperature: ≥ 70 °C (≥ 158 °F)
Engine speed: 1,500 rpm
≥ 0.4 bar (≥ 6 psi)
Coolant temperature: ≥ 70 °C (≥ 158 °F)
Engine speed: 5,000 rpm
≥ 1.5 bar (≥ 22 psi)
Main shaft axial clearance 0.10… 0.40 mm (0.0039… 0.0157 in)
Transmission shaft run-out ≤ 0.025 mm (≤ 0.00098 in)
Shift shaft - play in sliding plate/shift quadrant 0.40… 0.80 mm (0.0157… 0.0315 in)
Fuel pressure
Under every load condition 3.3… 3.7 bar (48… 54 psi)
Engine oil consumption
After the vehicle is run-in ≤ 0.7 l/1.000 km (≤ 0.7 qt./600 mi)
Info
The oil consumption depends on the riding style and on
the operating conditions.
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