65Series 4144 Components FC, FS, KM
9. Drive Tube
9.1 Removing and Installing
The drive tube can be removed from 
the machine without dismantling 
other parts.
Machines with loop handle
: Take out the screw (1) and 
loosen the screws (arrows).
– Pull out the drive tube (2).
– Check the drive tube and repair 
or replace if necessary, b 9.1
Machines with bike handle
: Loosen the screw (arrow).
– Pull off the control handle (1).
2
1
545RA001 TG
1
545RA073 TG
: Take out the screw (1) and 
loosen the screws (arrows).
– Pull the drive tube (2) out of the 
engine housing.
– Check the drive tube and repair 
or replace if necessary, b 9.1
If a new drive tube is installed, the 
other parts and components must 
be transferred from the old drive 
tube.
Installing
– Degrease the clamp area with a 
little standard solvent-based 
degreasant containing no 
chlorinated or halogenated 
hydrocarbons, 
b 11
Machines with loop handle
: Position the drive tube (1) so that 
the holes are in alignment.
2
1
545RA000 TG
1
545RA002 TG
– Push home the drive tube (1) as 
far as stop, turn the drive shaft to 
and fro until the square end of the 
drive shaft engages the square 
recess in the clutch drum.
: Turn the drive tube (1) until the 
holes (arrow) in the drive tube 
and engine housing line up.
– Insert and tighten down the screw 
– turn the drive tube to and fro 
until the screw slips through the 
hole – the drive tube is only 
located and not clamped in 
position at this stage.
: Tighten down the screws 
(arrows) firmly.
1
545RA003 TG545RA004 TG