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Barrecrafters /sportrack, Sx-12 Ski/snowboard Rack - Page 8 Questions & Answers
Why won't my 1998 Polaris indy 500 start? It is getting fuel and has spark.
Along with fuel and spark...you need enough spark and you need enough compression. Asssuming your rings aren't broken and you can feel good compression when you are turning it over, you can spray a little ether in the carburetor chamber. If there is enough spark and compression it will at least fire up momentarily.
Sometimes the rings or cylinders get scratched up because they run incorrect gas/oil ratios for too long and then when they sit for a while the oxidation fills in those scratched surfaces. Starting with high fuel to oil ratios is easier to start ( gas burns easier with less oil in it) but the engine will wear faster with high ratios.
But if the engine won't start under pure ether, then the spark is real weak or out of time, and/or the compression is shot. Good compression makes heat and concentrates the air and fuel together. If the compression even falls from 10:1 to 8:1, that is enough to cool the charge from about 150F down to about 90F or so and you won't get ignition
What coolant to use in a Polaris xlt sp 600 1996 sled.
I have no personal experience but if it has been completely drained I would suggest using the most environmentally friendly type you can find, possibly the propylene glycol rather than the highly poisonous ethylene glycol.
Just my thoughts...
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