F2.8
Part. N. 8000 H4704 (07-2010)
11
12
MAINTENANCE
Remove:
4.
Digital rev meter
•
Stroboscopic lamp
•
Install:
5.
Timing mark access screw (together with O-ring)
•
MEASURING COMPRESSION PRESSURE
An insufficient compression pressure would negatively affect
•
performance.
Measure:
1.
Valve clearance
•
Not conforming to specs
•
Adjust.
Refer to "
•
VALVE CLEARANCE ADJUSTMENT
" on page
3-4.
Start engine,
2.
warm it up a few minutes, then stop it.
Disconnect:
3.
Coolant temperature sensor connector "
•
1
";
Spark plug cap "
•
2
".
(see fig.11)
Remove:
4.
Spark plug.
•
Install:
5.
Extension "
•
1
";
Compression gauge "
•
2
".
(see fig.12)
WARNING!
Before removing the spark plug, remove any
•
impurities built up inside its seat with compres-
sed air to avoid they enter the cylinder.
Standard compression pressure (at sea level): 550
•
kPa/600 rpm (78.2 psi/600 rpm) (5.5 kgf/cm2/600
rpm)
Minimum-maximum: 480-620 kPa (68.3-88.2 psi)
•
(4.8-6.2 kgf/cm2)
Measure:
6.
Compression pressure.
•
Not conforming to specs
Refer to operations (
c
) and (
d
).
Take ignition switch to "ON".
a.
With throttle fully open, start engine and allow pressure reading
b.
on compression gauge to stabilise.
Summary of Contents for SMS4
Page 1: ...Workshop Manual TE 125 2011 SMS4 2011 Part N 8000H4704 07 2010 ...
Page 6: ......
Page 7: ...A 1 A Part N 8000 H4704 07 2010 GENERAL INFORMATION Section ...
Page 14: ......
Page 15: ...b 1 Part N 8000 H4704 07 2010 b IMPORTANT NOTICES Section ...
Page 17: ...F 1 Part N 8000 H4704 07 2010 TECHNICAL DATA F Section ...
Page 35: ......
Page 36: ......
Page 37: ...F1 1 Part N 8000 H4704 07 2010 F1 ENGINE OVERHAUL Section ...
Page 109: ...F2 1 Part N 8000 H4704 07 2010 F2 MAINTENANCE Section ...
Page 121: ...F3 1 Part N 8000 H4704 07 2010 F3 ENGINE COOLING Section ...
Page 131: ...F4 1 Part N 8000 H4704 07 2010 F4 CARBURETTOR Section ...
Page 132: ...F4 2 Part N 8000 H4704 07 2010 CARBURETTOR CARBURETTOR ...