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Trans Oil Poll

Transmission Lube Poll

  • Redline Shockproof

    Votes: 188 15.0%
  • Amsoil

    Votes: 243 19.4%
  • HD Formula +

    Votes: 125 10.0%
  • Mobil 1 75/90

    Votes: 126 10.1%
  • Mobil 1 75/140

    Votes: 110 8.8%
  • Syn 3

    Votes: 102 8.2%
  • Royal Purple

    Votes: 45 3.6%
  • Bel Ray

    Votes: 56 4.5%
  • Lucas

    Votes: 33 2.6%
  • OTHER (Please specify)

    Votes: 223 17.8%

  • Total voters
    1,251
Any questions about oil should be directed to our oil expert Joy :bigsmiley20:

She can also brief you on proper servicing techniques too.
 
I had a baker 6 speed gear set as well as auto primary chain adjuster kit install in my 06 ultra the spring of 07.The first thing I noticed was how smooth the tranny shifted between any gear. Now with about 6000 miles on it, it seems to clunk more between gears 1,2,&3 then smooth throught the remaining gears.I changed oil to the spectro 6 speed oil as Glider recommended, and the trans.shifts better using this lube but is still not as smooth as it once was. Any ideas?
Thanks,
Jim
 
Jim

Have you done a good clutch adjustment recently? That could cause more clunking in the trans during shifting id it wasn't adjusted right.
 
I am using RevTech. Not sure what weight. I am very pleased with smooth trans shifting and disappearance of 5th gear noise. Maybe it just needed to be broken in, but it doesn't sound bad in 5th anymore.
 
I am planning to change my tranny/primary lubricant of my 883 sportster 98, 26000km on the clock. I dont know which oil I have in it now but I want to put the best oil that I can find in the market.
spectro is not selling here in Turkey. I am not so sure but I guess that I can find M1 75/90 or 75/140.
2 questions;
*is the difference so huge btw spectro and mobil1? shall I order spectro from abroad or just go ahead with M1?
*if M1, 75/90 or 75/140? did anybody test both M1s?
 
I am planning to change my tranny/primary lubricant of my 883 sportster 98, 26000km on the clock. I dont know which oil I have in it now but I want to put the best oil that I can find in the market.
spectro is not selling here in Turkey. I am not so sure but I guess that I can find M1 75/90 or 75/140.
2 questions;
*is the difference so huge btw spectro and mobil1? shall I order spectro from abroad or just go ahead with M1?
*if M1, 75/90 or 75/140? did anybody test both M1s?


I've used the 75/90 and 75/140. It's hard to tell a difference between them. The major differences would be in a hotter climate where the 75/140 would protect better.
I also can see a noticable difference using the Spectro over the M1.
 
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