20 Series 4144 Powerhead
: Remove the clamping strap (1) 
and wooden assembly block (2).
Make sure the cylinder gasket is 
properly seated.
– Push the cylinder fully home.
: Insert the screws (arrows) to hold 
the cylinder and gasket in 
position.
– Tighten down the screws in an 
alternate pattern.
– Remove the puller.
938RA043 TG
1
2
938RA044 TG
: Fit the new gasket (1) over the 
guides (arrows) on the spacer 
flange.
: Position the spacer flange (1) 
with gasket against the cylinder 
intake port so the guides engage 
the openings (arrows).
– Fit the connector tag (1).
: Insert screws (arrows) and 
tighten them down firmly.
545RA210 TG
1
296RA274 TG
1
938RA046 TG
1
Use a new exhaust gasket.
– Insert the screws.
: Push the exhaust gasket (1) over 
the screws.
: Carefully place the muffler (1) in 
position. 
– Fit the screws with washers and 
check correct position of exhaust 
gasket again.
– Insert screws and tighten them 
down firmly.
– Tightening torques, b 3.3
– Install the ignition module, 
b 7.1.1
– Reassemble all other parts in the 
reverse sequence.
545RA055 TG
1
545RA056 TG
1