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Joined: May 2006
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well put 458 Lott, seems like the only logical extreme measure to take if one owns one and uses it in far and distant places is to buy a small wattage heating pad and glue it on the bottom of crankcase. An additional batter would be necessary to draw from and a inverter for this type of cold startup. What a picture!

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The most effective way to heat a liquid-cooled is through the coolant IMO. Pad heaters have negligible effects in many conditions. Oil technology is such that viscosity problems can be overcome by purchasing good chemistry. A warm cylinder gets by the worst of the cold oil problems which involve the cylinder/piston contact. Added heat in the combustion chamber really enhances ignition at cold temps as well. Throw a quart or two of hot water into the cooling fins on a stubborn old ATV and you'll see the difference.


Sometimes, the air you 'let in'matters less than the air you 'let out'.
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Originally Posted by Klikitarik
The most effective way to heat a liquid-cooled is through the coolant IMO. Pad heaters have negligible effects in many conditions. Oil technology is such that viscosity problems can be overcome by purchasing good chemistry. A warm cylinder gets by the worst of the cold oil problems which involve the cylinder/piston contact. Added heat in the combustion chamber really enhances ignition at cold temps as well. Throw a quart or two of hot water into the cooling fins on a stubborn old ATV and you'll see the difference.


www.hiperf.com sells a little inline heater for the coolant that works like a charm. Had one on my 1999 XCR-800 and it only took 45 minutes to warm it up. One pull starting at -15* below!


You can piddle with the puppies, or run with the wolves...

Better living through chemistry!
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01 Polaris 550


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Originally Posted by Dr_Lou
01 Polaris 550


Lots of short straws to be drawn with that mill. Plan to fire up the '01 550 SS tomorrow myself. 10,000 something miles, just finishing the fourth (or is it fifth?) rebuild. The previous fan motors Polaris built would usually need rings at 10K.


Sometimes, the air you 'let in'matters less than the air you 'let out'.
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Originally Posted by Klikitarik
Originally Posted by Dr_Lou
01 Polaris 550


Lots of short straws to be drawn with that mill. Plan to fire up the '01 550 SS tomorrow myself. 10,000 something miles, just finishing the fourth (or is it fifth?) rebuild. The previous fan motors Polaris built would usually need rings at 10K.
2500 miles to a build on those motes is not uncommon


I work harder than a ugly stripper....
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