Stihl TS 400 - Specifications; Engine; Fuel System

STIHL TS 400 3
2. SPECIFICATIONS
2.1 En
g
ine
STIHL single-cylinder two-stroke engine with specially
impregnated cylinder bore
2.2 Fuel system
Displacement:
Cylinder bore:
Piston stroke:
Compression:
Power output to DIN 70020:
Max. torque:
Max. spindle speed:
Mean idle speed:
Crankshaft bearings:
Big-end bearing:
Small-end bearing:
Piston pin:
Connecting rod length:
Starter system:
Reserve pull in rope rotor:
Starter rope:
Clutch:
Diameter:
Clutch engages at:
Leakage testing of the
crankcase
with excess pressure:
with negative pressure:
Carburetor:
Setting
High-speed adjusting screw H:
Low-speed adjusting screw L:
Leakage testing of the
carburetor with excess pressure:
Fuel tank capacity:
Octane rating:
Fuel mix:
Mixing ratio:
Air filter:
64.1 cm
3
49 mm
34 mm
9.5 :1
3.2 kW (4.4 HP)
4.1 Nm
at n = 6500 rpm
4800 rpm
2500 rpm
Two ball bearings
Needle cage
Needle cage
Dia. 10 mm
58 mm
Pawl engagement
At least 1/2 turn
Dia. 3.5 mm
Centrifugal clutch without linings
75 mm
3500 rpm
p
ü
= 0.5 bar
p
u
= 0.5 bar
Diaphragm carburetor
Approx. 1 turn open
Approx. 1 turn open
(standard setting)
p
ü
= 0.8 bar
0.74 1(740 ccm)
At least 90 ROZ
Brandname regular-grade petrol
Brandname two-stroke engine oil
1:50
for STIHL two-stroke engine oil 1:50
1:25
for all other brandname two-stroke
engine oils
Prefilter (foam)
Main filter (paper filter)
and flocked auxiliary filter