Stihl HS75 hard to pull

[GeoStationary33]

I recently bought a StihlHS75 and it will definitely need a new carb, coil, and fuel lines. But I noticed it is overly hard to pull...... is this normal for these trimmers? If not what could be the potential problem?

I have already had the pull rope assembly off and it works just fine

[ChrisNewport]

More than likely a scored piston and cylinder, these are old machines, very heavy and numb. IMO its not worth fixing if it needs new carb, coil and pipes. 

[spudulike]

It could be dried fuel oil mix leaving too much oil residue in the bore. Try it with the plug removed and if it spins over fine, spray a bit of WD40 in the bore to wash the oil out.

Why does it need a new carb and coil? As others have said, if they are missing, it would be uneconomical to repair. Have you checked for a spark and cleaned and rebuilt the carb yet?