25 TECHNICAL DATA
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
:5 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
:5 1 .00 mm (:5 0.0394 in)
Oil scraper ring
:5 1.20 mm (:5 0.0472 in)
Connecting rod - end play of lower conrod bearing
0.20 ... 0.45 mm (0.0079 ... 0.01 77 in)
Crankshaft - run-out on bearing pin
:5 0.03 mm (:5 0.0012 in)
Clutch facing disc - thickness
;:: 1 .9 mm (2: 0.075 in)
Clutch spring - length
45.60 ... 46.80 mm (1.7953 ... 1.8425 in)
Thrust surface, clutch facing discs in outer clutch
:5 0.5 mm (:5 0.02 in)
hub
Oil pressure regulator valve
Minimum length of pressure spring
;:: 21.07 mm (2: 0.8295 in)
Shift shaft - play in sliding plate/shift quadrant
0.40 ... 0.80 mm (0.0157 ... 0.0315 in)
25.3
Engine tightening tor ues
Screw, oil jet for piston cooling
M4
2 Nm (1 .5 lbf ft)
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
™
Pulse generator screw and cable
M5
6 Nm (4.4 lbf ft)
retainer
Loctite
®
243
™
266
Содержание F2303P0
Страница 1: ...PIONEERING SINCE 1903 REPAIR MANUAL2016 FS 450 Art no 3403034en Husqvarna MOTORCYCLES ...
Страница 2: ......
Страница 157: ...16 BRAKE SYSTEM Check the foot brake lever for a firm pressure point 155 ...
Страница 281: ...28 SERVICE SCHEDULE 279 ...