Fork oil type e

According to my 1980 HD accessories catalog, ‘Type E’ was for Showa forks only. Harley never gave a ‘weight’ spec with their oils. But Bell-Ray and Spectro must have done their own tests on Type E, and they say it’s equivalent to a 20W. It probably depends on if they tested the oil at 40C, 100C, etc. I’d always assumed it was a 5W though…

FAQ fork oil type e

What is the best fork oil grade?

The Fork oil has its own SAE grading which ranges in the multiples of 5 (e.g. 5WT, 10WT, 15WT, 20WT). Higher the number, the better the load carrying capacity of that fork oil.

What is the difference between fork oil and engine oil?

Fork oils are kept in closed chambers in the front forks of the bike. Due to this reason it does not really come in contact with many outside factors unlike engine oils. For this reason they retain their quality and viscosity for quite a long time.

What fork oil for stiff ride?

My dealer recommended the Screaming Eagle Fork Oil when I was in there the other day. From the link you provided Jack, that would provide even a more stiff ride to the ‘B’ oil. Is this correct? Click to expand…

Where is the fork oil kept in the bike?

Fork oils are kept in closed chambers in the front forks of the bike. Due to this reason it does not really come in contact with many outside factors unlike engine oils.

How to Choose Fork Oil Weight | What Weight Fork Oil Should I Use | Partzilla.com

DOC HARLEY: BUMPY RIDE – HAVE YOU DONE A FORK OIL SERVICE?

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