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  • Baloffski Posts: 1778
    Victoria
    Motor Head Baloffski
    05 Nov 2019 08:59 PM
    Aye Krash, well said.
    Just to define further, if you don't mind.
    Redline MT stands for Manual Transmission and grade or viscosity is 90 .
    ATF is Automatic Transmission fluid
    Type F is for Ford auto.
    Redline Heavy Shockproof is amazing gear oil
    I tried various fluids in my primary, a 2012 Road Glide, but found synthetic caused slippage, but maybe that was my adjustment, as may I have mentioned am not a mechanics arseole, but I try.
    Semi synthetic and mineral, no problemo in primary, could be me?
    This time am going to leave Redline oil in gearbox for a while, instead of the OCD wit oils an stuff on my Glider, did I say gearbox is so smooth she glides along.

  • tussuck Posts: 2028
    Melbourne
    Motor Head tussuck
    05 Nov 2019 11:35 PM
    Quoting bigfella236 on 05 Nov 2019 08:24 PM
    Ok so i have a 2010 road king. so for the tranny you use redline shockproof heavy yeah. now the primary which do you use the same or use the shockproof light? just trying to come to terms with it all since i will be doing the service on the girl and only the bet will do. So your thoughts please. 
    Quoting Krash Kinkade on 05 Nov 2019 08:35 PM
    The shockproof Heavy in Gear Box only, it is not suitable for the primary, that is why I can't use it in my Sporty, the sporty combine same oil primary & gear box, so I'm going to use Redline MT-90, you could use, what Harley recommend in primary, or you could use ATF Type F, MT-90 or MTL all made by Redline, or could use Valvoline ATF TypeF.
    with the Redline Heavy Shockproof in Gear Box you don't need to change it at all, you will notice how much smoother it feels shifting. with the primary oil you still have to change as bits of friction plate dust gets into contaminate oil also oil gets hot goes off.
    Agree on the Sporty specific needs (ie not the Redline Shockproof).
    Not convinced about ATF in a Sporty transmission though.
  • Grease Monkey Posts: 750
    Performance Poster Grease Monkey
    06 Nov 2019 07:56 AM
    The oil Harley are replacing formula + with is I think an 80/140, they always seem a bit slow to come around but that wouldn't be an accident, ATF was good in the early twin cams and Evo's but the later compensator set up likes a heavier oil, for the last few years I've been using a 10/50 in the primary but I'm going to try something a bit heavier this time and see if it affects the clutch adversely or not.
    Pretty sure it was Maddo that said the new Harley primary oil caused one bike to have clutch sticking issues so for some bikes at least their is a limit to how heavy an oil they will tolerate, climate would no doubt play a part as well.
  • bigfella236 Posts: 51
    Perth
    Stock Poster bigfella236
    06 Nov 2019 09:43 AM
    so for the primary shock light is no good then 
  • Ken in Cairns Posts: 441
    Cairns FNQ
    Stage 1 Poster Ken in Cairns
    06 Nov 2019 10:53 AM
    I'm using Nylon slick-shift gear oil in the cog box, 75/90 from memory, think I'll go a bit thicker next time,  maybe 90w120, but the 75/90 was better than the synth 3 it came with and I had it in the shed, so might as well use it up as the truck is gone now.
    I think it is a Bell Ray oil in the primary, their 4 stroke wet clutch 10W 40 if I remember correctly, could be 20W50, but I think it is 10W40.
     Seemed OK with those oils, no slippage and good cold disengaugement of the  clutch, and the bike was a lot easier to get into neutral, even hot.
    I just drained the primary as part of the 5000 Km service, and it had darkened up a bit, but that was all.
  • tussuck Posts: 2028
    Melbourne
    Motor Head tussuck
    06 Nov 2019 12:31 PM
    Quoting bigfella236 on 06 Nov 2019 09:43 AM
    so for the primary shock light is no good then 
    For what bike thoughthough?  

    Redline Shockproof is okay in sealed transmissions that are 'oil isolated' from the prmary (ie older 5 speed or 4 speed Evo trannys).  WHY:  Well the slippy additivies in the Shockproof also add slippy to your clutch so pretty much it slips instead of sticks, so its a no-no in your primary.

    BUT Redline make MT-90 oil which is Shockproof WITHOUT the slippy additive (in laymans terms), and this is fine for bikes with a common oil system in tranny and primary...ie my 09 Sporty.


  • Grease Monkey Posts: 750
    Performance Poster Grease Monkey
    06 Nov 2019 03:41 PM
    Stands to reason that if it's going in the clutch compartment it's gotta be clutch friendly, the info on the labels will tell you if it's ok for the clutch.
  • tussuck Posts: 2028
    Melbourne
    Motor Head tussuck
    06 Nov 2019 04:11 PM
    Quoting Grease Monkey on 06 Nov 2019 03:41 PM
    Stands to reason that if it's going in the clutch compartment it's gotta be clutch friendly, the info on the labels will tell you if it's ok for the clutch.
    thats just WAY too obvious...lol
  • Grease Monkey Posts: 750
    Performance Poster Grease Monkey
    06 Nov 2019 04:15 PM
    Quoting Grease Monkey on 06 Nov 2019 03:41 PM
    Stands to reason that if it's going in the clutch compartment it's gotta be clutch friendly, the info on the labels will tell you if it's ok for the clutch.
    Quoting tussuck on 06 Nov 2019 04:11 PM
    thats just WAY too obvious...lol
    Haha, oh well!
  • brucefxdl Posts: 1122
    south west victoria
    Performance Poster brucefxdl
    06 Nov 2019 09:43 PM
    my fxdl has always had a harsh clutch function [ 32,000 km when i bought it ] more so when cold and put it down to a hd thing.fitted a new clutc cable recently and had a few small issues,thought it was my adjustment procedure.any way i pulled the clutch and checked the plates...all flat [ on a surface plate ] so back in they went.pulled the trans cover off and found one of the ramp balls had slipped when i assembled the new cable [ shit of a thing],put back in place and adjustments/feel all good.i have thought for a while to try our john deere transmission fluid in the primary,it handles transmissions/final drives and diffs up to 400 hp,wet clutchs and hydralic systems working at around 90-100 °c with a 80w90  and sae 46 hydralic rating, so i have used it for about 3,000km now and all seems good,the clutch still is a little harsh on first engagement but no where near as harsh as before and clutch take up is nice and smooth...time will tell.still has formula + in the trans and the shift is slick.
     
  • Krash Kinkade Posts: 2667
    Forum Legend Krash Kinkade
    07 Nov 2019 07:45 AM
    Quoting bigfella236 on 05 Nov 2019 08:24 PM
    Ok so i have a 2010 road king. so for the tranny you use redline shockproof heavy yeah. now the primary which do you use the same or use the shockproof light? just trying to come to terms with it all since i will be doing the service on the girl and only the bet will do. So your thoughts please. 
    Quoting Krash Kinkade on 05 Nov 2019 08:35 PM
    The shockproof Heavy in Gear Box only, it is not suitable for the primary, that is why I can't use it in my Sporty, the sporty combine same oil primary & gear box, so I'm going to use Redline MT-90, you could use, what Harley recommend in primary, or you could use ATF Type F, MT-90 or MTL all made by Redline, or could use Valvoline ATF TypeF.
    with the Redline Heavy Shockproof in Gear Box you don't need to change it at all, you will notice how much smoother it feels shifting. with the primary oil you still have to change as bits of friction plate dust gets into contaminate oil also oil gets hot goes off.
    Quoting tussuck on 05 Nov 2019 11:35 PM
    Agree on the Sporty specific needs (ie not the Redline Shockproof).
    Not convinced about ATF in a Sporty transmission though.
    tussuck I have tried ATF typeF in sporty trans was ok in shifting, was great with how clutch worked.
    but that was before I tried Redline MT-90 that was the best I've used in Sporty. just got more of it, so will put it in sporty after I warm gear box up with a ride & drain the formula X. I've never liked that formula X it's ok, but once you have tried  Redline MT-90  the formula X not good enough. but some say it's made to work with alternator too.

  • leachy Posts: 142
    Stock Poster leachy
    07 Nov 2019 08:28 AM
    I Just had a look on the SC website they are selling Red Line Oil V-Twin Transmission Oil fro $36.99 or Red Line Oil Heavy Shock Proof Gear Oil - 1 Quart $42.00 this is delivered. I think Ill give it a go when I change the engine oil.

    Regards
    Leachy
  • Krash Kinkade Posts: 2667
    Forum Legend Krash Kinkade
    07 Nov 2019 09:12 AM
    Quoting leachy on 07 Nov 2019 08:28 AM
    I Just had a look on the SC website they are selling Red Line Oil V-Twin Transmission Oil fro $36.99 or Red Line Oil Heavy Shock Proof Gear Oil - 1 Quart $42.00 this is delivered. I think Ill give it a go when I change the engine oil.

    Regards
    Leachy
    Someone also sell's Amsoil in Sydney (a mate told me ) that would be good for your motor.
  • tussuck Posts: 2028
    Melbourne
    Motor Head tussuck
    07 Nov 2019 10:08 AM
    Quoting leachy on 07 Nov 2019 08:28 AM
    I Just had a look on the SC website they are selling Red Line Oil V-Twin Transmission Oil fro $36.99 or Red Line Oil Heavy Shock Proof Gear Oil - 1 Quart $42.00 this is delivered. I think Ill give it a go when I change the engine oil.

    Regards
    Leachy
    check the unit prices... I find its more cost effective to actually buy the 4l packs.
  • Wideglider Posts: 716
    NSW
    Performance Poster Wideglider
    07 Nov 2019 06:30 PM
    As a bonus, red-coloured trany oil on the floor always lets you know its leaked from trany & not engine.
  • tussuck Posts: 2028
    Melbourne
    Motor Head tussuck
    07 Nov 2019 07:47 PM
    Quoting Wideglider on 07 Nov 2019 06:30 PM
    As a bonus, red-coloured trany oil on the floor always lets you know its leaked from trany & not engine.
    Yep....bloody works too!  (turned out to be the primary leaking not the tranny...lol)
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