Husqvarna 966451906 Manuale Utente

English - 

31

Insert the clutch springs on the side of the shoes 

without text. See figure 17.

Screw in the clutch (anti-clockwise) until it stops. 

Then tighten the clutch using tool 575 25 14-01 

and a suitable socket wrench or combination span-

ner. Tightening torque of at least 25 Nm.

Remove the piston stop and fit the spark plug 

using a tightening torque of 20 Nm and the spark 

plug hat.
Then fit:

•  The cylinder cover
•  The bar
•  The chain
•  The clutch cover

Empty and clean the oil tank.

Dismantle the centrifugal clutch as outlined in 

“Dismantling the centrifugal clutch”.

Loosen the clutch drum, the drive sprocket, the 

needle bearing and the pump drive wheel. See 

figure 18.

Unscrew the chain guide plate. See figure 19.

Loosen the screws on the oil pump from the crank-

case and remove it together with the oil pressure 

hose. See figure 20.

•   Clean and check all parts carefully. Parts must 

be replaced if cracked or showing signs of 

other defects. Always use original spare parts.

•   Lubricate all moving parts with chain oil.

Repair Instructions

Fig 17

Fig 19

Fig 18

Fig 20