Manuals and Downloads - husqvarna Consumers who purchase two-cycled gas powered Husqvarna branded handheld products can extend their warranty from the standard 2 years to either a 3 year or 4 year warranty by purchasing Husqvarna brand 2-stroke oil or Husqvarna brand pre-mix fuel at the same time. Husqvarna Chainsaw | 257 | eReplacementParts Repair Parts Home Power Tool Parts Husqvarna Parts Husqvarna Chainsaw Parts Husqvarna 257 (1996-01) Chainsaw Parts Accessories for the Husqvarna 257. Questions & Answers. Sort by Ask a question. No questions have been asked yet Ask a question × Ask our experts a question about this part and we will respond as soon as we can.