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Lets talk for a moment about something that affects all motor oils; whether it's synthetic or dinosaur oil, multi-viscosity or straight weight oil, regardless of brand.....TEMPERATURE.

Most people recognize that high temperature really beats up your motor oil. The good news is that most people change their motor oil (and filter) frequently during the warm weather riding season. On the other hand, few recognize that riding in colder temps creates an equally significant challenge for motor oil. Because it's cold, the rides are generally shorter.

Herein lies the problem; the drive train in your motorcycle is made up of 1-3 seperate oil cavities depending on the bike you own. These oil cavities are not completely full of fluid. The additional volume inside of each cavity is taken up by air. When you "warm-up" your bike, the trapped air inside the cases will condensate on the interior wall of the cases and contaminate your oil. Until that oil reaches a temperature well above 212 degrees F it can't vaporize the water that has just been created. All water that didn't vaporize eventually pools together and over time that water begins to corrode your drive train and can result in deposits commonly called "sludge" which will restrict oil flow throughout the engine as well as damaging the internals of your bike.

The important thing to remember here is that you have to get the entire engine assembly, including the cylinders, bottom end flywheels, the cases, the oil lines, the oil tank.....you get the picture, up to temperature. Todays EVO and Twin Cam engines are highly efficient at dissipating heat. This is good news for riding in the heat of summer. However, in cooler weather, even with an outside temp of 55-60 degrees, you've got to put some miles on the bike to get the engine up to temperature. Those short rides in cooler weather just won't do it.

Now there are those who to start and idle their bike periodically in the middle of winter, just to "make sure it starts" as they say. They might do this a few times over the winter months, thinking that it's doing them some good. Unfortunately, without taking the bike out for a lengthy ride and a full warm-up, they are actually doing a disservice to their bike. A vast majority of people who are guilty of doing this are merely trying to ensure their battery has sufficient charge to start their bike. Rather than risk internal damage to your bike, instead install a "trickle" battery charging system and let your baby be. Although staring at it when you can't ride won't hurt anything.

When was the last time you changed your oil?


Be sure to check out the new M&S HD Charm, available NOW!

Now extended through March 31st 2009!

M & S Harley-Davidson
160 Falling Spring Road
Chambersburg, PA 17202
www.msharleydavidson.com
Click here for store hours and map.

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