My experience on my 07 with SE heaVy was Very nice, eliminated my brake dive and improved my cornering ability in the mountains.... I was 250 lbs...lot of different factors to weigh in here.

 

2012 Limited with the Premium Hand Adjustable Shocks in the rear. I went with SE Heavy in the Forks, huge improvement!


Ride is a little stiffer, but not much, handling is greatly improved.

 

Not exactly. H-D prefers to classify their fork oils in light, medium and heavy. Mostly for those that don't understand numeric sequences.
Their fork oils perform just like any other brand but I've found over the years that numerically classified fork oil is easier to work with because you don't have to also remember the numeric equivalent (and you don't sound like a dolt when discussing them).
And there's this: H-D prefers to cloak their lubricants in a veil of secrecy to keep competitors at bay.
I've used Bel Ray, Maxima and Spectro fork oils with great results. Once you start with a particular brand stay with it. There's no standard viscosity rating for fork oils so if you want consistency use the same brand even when going heavier or lighter.
To get half weights two oils can be mixed together - equal parts of 10wt + equal parts of 15wt will deliver 12.5 wt fork oil).

 

Amsoil shocktherapy #10 works well in both front forks & rear shocks way better than HD oil.

 

Thanks for the replies,
I think I will give a 10wt oil a try. The good thing is you can always change it if you need to.

 

i went with 15 wt oil. tome. its to stiff for me because i probably added a ounce or 2 too much, but what is most important in fork oil changes is the amount you put back in. if you add just an ounce of 2 too much your ride will feel much stiffer and visa versa. its all about the air space in each fork leg so make sure that the amount you put back in is exactly what you took out. most folks dont know this unless you work on suspension all the time. it really is a science. many variations can be had with oil weight and amounts

 

+1 Amsoil Shock Proof Therapy 10w in front made significant difference.

 

Measure the amount you drain out with a Ratio Rite. My 09 was about 10 oz per leg. Then refill with same amount. I went from stock to SE to a mix of the 2 then tried Bell Ray 15 and will stick with the BR.

 

Please don't follow this advice - it's a fool's errand. The correct amount is shown in the shop manual.

 

I cant get links on this i pad,but.....

Google Motorhead memo Forking Around.