high compression

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  1. John Lerum

    eBay Jonsered 2094

    Did anyone see that recent 2094 that was listed? Had a welded handle and issues pulling it over. I got that saw, popped the muffler and the piston looked good. Pulls over no problem without the plug but it seems to have a huge amount of compression with it in. There's no drop starting it and I...
    • John Lerum
    • Thread
    • 2094 2095 hard to pull high compression jonsered
    • Replies: 11
    • Forum: Chainsaw
  2. crotchclimber

    extremely high compression problem, MS461

    One of our 461s is very difficult to start due to extremely high compression. Decomp valve pops right back out even though it hasn't fired. I took the sparkplug out and it turns over easily. My coworker thinks soaking some decarbonizer in the cylinder is the first thing we should try. We run...
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