KTM 620 - Page 38

ENGLISH
36
Engine oil
Use only oil brands (Shell Advance Ultra 4), which meet qua-
lity requirements of API-classes SF, SG or SH (informations
on bottles) or higher. Both, mineral and synthetic oils with
above specifications can be used.
!
CAUTION !
POOR OIL QUALITY OR MINOR QUANTITY EFFECT EARLY ENGINE-WEAR.
#
Hexagon nut at primary gear M20x1,5 Loctite 242 +170 Nm (125 ft.lb)
Collar nut flywheel M12x1 LH thread 60 Nm (44 ft.lb)
Hexagon nut for inner clutch hub M18x1,5 Loctite 648 + 80 Nm (59 ft.lb)
Kickstarter stop screw M12x1,5 50 Nm (37 ft.lb)
AH screws oil pump M6 Loctite 242 + 8 Nm (6 ft.lb)
Hexagon screw camshaft gear M10 Loctite 242 + 35 Nm (26 ft.lb)
AH screw cylinder head top sect. M6x25 8 Nm (6 ft.lb)
AH screw cylinder head top sect. M6x50/M6x55 (12.9) 20 Nm (15 ft.lb)
AH screw cylinder head top sect. M6x65/M6x70 (8.8) 8 Nm (6 ft.lb)
Cylinder head screws M10 50 Nm (37 ft.lb)
Collar nuts at cylinder base M10 40 Nm (30 ft.lb)
Hexagon screw chain sprocket M10 Loctite 242 + 40 Nm (30 ft.lb)
Oil drain plug M22x1,5 30 Nm (22 ft.lb)
Magnetic plug M12x1,5 20 Nm (15 ft.lb)
Plug bypass valve M12x1,5 20 Nm (15 ft.lb)
Banjo bolts oil lines M8x1 10 Nm (7 ft.lb)
Banjo bolt oil lines M10x1 15 Nm (11 ft.lb)
Jet screw clutch cover M8x1 10 Nm (7 ft.lb)
Screw plug timing-chain tensioner M12x1,5 20 Nm (15 ft.lb)
Counternuts valve adjusting screws M7x0,75 20 Nm (15 ft.lb)
Spark plug M12x1,25 20 Nm (15 ft.Ib)
Crankshaft locking screw M8 25 Nm 18 ft.lb)
Engine fastening screw M8 40 Nm (30 ft.lb)
M10 70 Nm (51 ft.lb)
TIGHTENING TORQUES - ENGINE
Crank shaft axial play ..................................................0.03 - 0.12 mm (0.001-0.005 in)
run out of crank stud..................................max. 0.04 mm (0.002 in)
Conrod bearing radial play ..................................................max. 0.05 mm (0.002 in)
axial play....................................................max. 1.00 mm (0.04 in)
Piston forged assembly clearance ....................................max. 0.12 mm (0.005 in)
Piston cast assembly clearance ....................................max. 0.05 mm (0.002 in)
Piston rings end gap compression rings.......................................max. 0.60 mm (0.023 in)
oil scraper ring............................................max. 0.80 mm (0.031 in)
Valves seat sealing intake......................................max. 1.50 mm 0.059 in)
seat sealing exhaust ...................................max. 2.00 mm (0.080 in)
run out of valve heads................................max. 0.03 mm (0.001 in)
valve guides diameter.................................max. 7.05 mm (0.277 in)
Oil pump clearance outer rotor - housing ..................max. 0.20 mm (0.008 in)
clearance outer rotor - inner rotor ..............max. 0.20 mm (0.008 in)
Bypaß valve minimum spring length ..........................................25 mm (1 in)
Clutch discs wear limit organic .................................................2.5 mm (0.1 in)
Clutch springs minimum length ...........................34.5 mm (new 37 mm)
(1.36 in - new 1.45 in)
Transmission shafts axial play ......................................................0.1 - 0.4 mm (0.004 - 0.016 in)
ASSEMBLY CLEARANCE, WEAR LIMIT
 
–
+
0°C
32°F
15W 40
15W 50
15W 60
10W 40
10W 50
10W 60
API: SF, SG, SH
TEMPERATURE