Can a dirty drain plug damage a Harley?
If a drain plug is not installed straight or is installed dirty, the plug’s threaded allocation in the case can become permanently damaged. The most common way oil cases become damaged is from Harley drain plug over tightening.
What causes an oil pan to be damaged on a Harley?
The most common way oil cases become damaged is from Harley drain plug over tightening. If the engine oil or transmission oil drain plug allocation becomes stripped on a touring model, the entire oil pan may need to be replaced.
When to remove oil plugs on Harley Davidson?
It is of utmost importance to remove the engine oil and transmission oil fill plugs along with the primary derby cover; either before draining the oils or before the drain plugs are reinstalled. This will help to avoid confusion as to whether or not the oil has been replenished before attempting to start the motorcycle.
When to replace the drain plug on a Harley Davidson?
If the engine oil or transmission oil drain plug allocation becomes stripped on a touring model, the entire oil pan may need to be replaced. This holds true for, both, Twin Cams and M8 Touring models. If the primary drain plug allocation becomes stripped, the inner primary case may need replacement.
The most common way oil cases become damaged is from Harley drain plug over tightening. If the engine oil or transmission oil drain plug allocation becomes stripped on a touring model, the entire oil pan may need to be replaced.
What to do if your drain plug is oily?
Thoroughly clean the back of the case, then stick the edge of a piece of masking tape between the drain plug and back of case. The morning after a ride, look at the tape, if there is a drop of oil hanging on, or the back of the case is oily, it’s not the plug.
It is of utmost importance to remove the engine oil and transmission oil fill plugs along with the primary derby cover; either before draining the oils or before the drain plugs are reinstalled. This will help to avoid confusion as to whether or not the oil has been replenished before attempting to start the motorcycle.