husqvarna 555 scored piston

Wesspur
Rugged made
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  1. CristiRo

    Scored Piston - Jonsered 2258

    After cutting some firewood, I decided to take off the muffler to see the P&C... Wow...wasn't prepared for that...the piston is scored half way down the piston, on a width of about 5mm. I'm using Sthil HP Ultra. Used this Ultra oil for 4L of gas with 40:1(25ml/1L) ratio. Before that the saw was...
    • CristiRo
    • Thread
    • husqvarna 555 scored piston jonsered 2258 piston piston and cylinder scored chainsaw scored piston sthil hp ultra
    • Replies: 47
    • Forum: Chainsaw
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