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Chainsaw
OLD husqvarna rancher 50 not starting - seems to have spark, compression, fuel, timing?
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<blockquote data-quote="Vintage Engine Repairs" data-source="post: 8026450" data-attributes="member: 164888"><p>You’ve crossed off compression as being an issue as well as fuel supply.</p><p></p><p>That leaves a few things to check / are currently unanswered.</p><p></p><p>1). Spark strength (including magnet strength)</p><p>2). Spark timing (failing coils can do strange things)</p><p>3). Fuel quantity (and ratio to air & leaks)</p><p>4). Fuel quality</p><p>5). Skirt condition / ability to seal the ports</p><p></p><p>Work through each one and you’ll find your issues</p><p></p><p>Edit:</p><p></p><p>For future reference, get an inline tester for spark rather than testing at atmospheric pressure. The cost of one (very affordable) will be cheaper than time wasted chasing your tail.</p></blockquote><p></p>
[QUOTE="Vintage Engine Repairs, post: 8026450, member: 164888"] You’ve crossed off compression as being an issue as well as fuel supply. That leaves a few things to check / are currently unanswered. 1). Spark strength (including magnet strength) 2). Spark timing (failing coils can do strange things) 3). Fuel quantity (and ratio to air & leaks) 4). Fuel quality 5). Skirt condition / ability to seal the ports Work through each one and you’ll find your issues Edit: For future reference, get an inline tester for spark rather than testing at atmospheric pressure. The cost of one (very affordable) will be cheaper than time wasted chasing your tail. [/QUOTE]
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