Chapter 1 – General information / Technical specifications
Service Manual AJP PR3/PR4 1 - 9
Rock hammer
shafts of the
valves
125/150
IN/EX
Passing fillister
Ø12x64mm
–
200/240
IN
Low fillister
–
EX
Deep fillister
Ø12x65,3mm
–
Lubrication holes
IN/EX
Ø3mm
–
Camshaft
Height of cams
125/200/240
IN
31,58mm
30,6
EX
31,40mm
30,2
Warpage
-
31,452 – 31,532
+- 0,1
Outside diameter of the
supports
Right
20,00mm
–
Left
16,60mm
–
Support on the left side
Bearing 6203
–
Support on the right side
Bushing (20x28x11)
–
Valve
mechanism
Timing chain
125
4x98 Links
–
200
7x100 Links
240
7x102 Links
Sprocket
125
Z34
–
200 / 240
Z34
Valve mechanism pinion
Z17
–
Mounting position of the pinion on the crankshaft
Tooth aligned with
the keyway
–
Sprocket fixing screws
125
M6x10
–
200 / 240
M6x12
Valve mechanism guide-
chain tensioner
125
Short (175mm)
–
200
Medium
–
240
Long
–
Timing chain tensioner 125/200/240
Ref. 547
–
Unlocking the tensor
Rotate right
–
Screws torque
12N.m (1,2Kgf.m)
–
Pivot screw of the tensor guide
10N.m (1,0Kgf.m)
–
Screw in the protection of the timing chain in the
crankshaft
10N.m (1,0Kgf.m)
–
Tensioner bolts
10N.m (1,0Kgf.m)
–
Tensioner cover
5N.m (0,5Kgf.m)
–