ENGLISH
11
M
4.5 Crankshaft
When intending to reuse the crankshaft, check the crankshaft journals for runout.
C
RANKSHAFT JOURNAL RUNOUT
:
MAX
. 0.05
MM
(0.002
IN
.)
Check the radial and axial clearance of the conrod bearing.
R
ADIAL CLEARANCE
:
MAX
. 0.020
MM
(0.001
IN
.)
A
XIAL CLEARANCE
:
MAX
. 0.045
MM
(0.0018
IN
.)
4.6 Reed valve housing (S5-T)
– Release the 2 hexagon nuts
1
and take the intake flange, the reed valve hou-
sing and the gaskets out of the cylinder.
R
EED PADDLES
Check especially the ends of the reed paddles for breakage. Reed paddles and reed
valve housing should not be separated by more than a very narrow gap.
S
TOP PLATES
The distance
M
between the two stop plates must be 16 mm (0.65 in.) (see illust-
ration). If necessary bend the plates to fit.
N
OTE
: T
HE REED PADDLES GRADUALLY LOOSE THEIR TENSION DURING OPERATION AND BEGIN
TO BREAK AT THE ENDS
,
WHICH LEADS TO A REDUCED PERFORMANCE
.
I
N THE CASE OF DAMAGE
,
THE ENTIRE REED VALVE HOUSING MUST BE REPLACED
.
– Mount reed valve housing and intake flange with new gaskets.
4.6.1 Reed valve housing (S5-GS)
– Remove the 4 hexagon nuts
2
and take the intake flange, the reed valve hou-
sing and the gaskets out of the cylinder.
R
EED PADDLES
Check especially the ends of the reed paddles for breakage. Reed paddles and reed
valve housing should not be separated by more than a very narrow gap.
S
TOP PLATES
The distance
M
between the two stop plates must be 22 mm (0.9 in.) (see illustra-
tion). If necessary bend the plates to fit.
N
OTE
: T
HE REED PADDLES GRADUALLY LOOSE THEIR TENSION DURING OPERATION AND BEGIN
TO BREAK AT THE ENDS
,
WHICH LEADS TO A REDUCED PERFORMANCE
.
I
N THE CASE OF DAMAGE
,
THE ENTIRE REED VALVE HOUSING MUST BE REPLACED
.
– Mount reed valve housing and intake flange with new gaskets.
1
1
2
2
2
2
