Hello All,

What are you riding mate?

2007 Dyna Super glide custom. Did find an interesting (but long) video on an oil discussion on YouTube. Have a look at Kevin Baxter oil talk. I am leaning towards 3 different oils, it just not that hard or expensive, but being a wee bit lazy I thought 1 oil, all holes it'll do...

I use three different oils

FARK... another oil thread!

I put Penrite 10W 50 full synthetic in the three holes. Have been doing it for about 5 years without any problems. ( Probably about 25k  kms)

Ha ha, oil threads always cause a stir. It's not so much the type, more the application. Amsoil and a few others say 1 oil 3 holes. Just wondering what people have found 

For those that don’t know, this fella possibly knows more about engines and harley stuff than anybody else, at least in Australia. Take what he says as very credible information. For those new to the forum have a look at his past posts and learn. I may sound like a brown nose but I’ve got nothing to gain and only pointing people in the direction of where helpful/credible info originates. 

I like redline in the gearbox. Makes the box shift really smooth 

agree tussock.

Yeah what the ?

Same as you Hoody, done a bit of work on earth moving gear. I was on a job up at Argyle Diamond mine and we had to service a D 10 dozer but we ran out of transmission oil . I think it was supposed to be 30 weight from memory.

More than half the motorcycles in the world only use the one oil, a lot of them don’t have seperate crankcase, gearbox, primary drive reservoirs.

good point mate

That is true, but there are a lot of variables ( types of bearings, different metals and so on ).

Anyway.... the ONE thing w all seem to agree on is that Redline in the Tranny is the bees knees.  Shockproof in bikes with a separate tranny oil supply and then normal in Sporties.

It sure is a slippery subject.

Well said Krash.

as much as i usually stick with makers specs on stuff,running hd engine and trans oils,i have changed to john deere hygard trans oil in my primary after a bit of clutch drag when cold and harsh 1st selection. we run hygard in all out tractors,in trans and hydralics [ commomn reservoir ] ,hydralics,planatery final drives and front axles, so i thought i would give it a go.smoother [ not perfect ,but improved ] cold 1st selection,and less drag. i had stripped and checked the clutch components and and found all good.prior to this there was bit of compensator noise on start up [ there is a little play in the unit ] but this has quietened down since changing the oil over.so far so good. if the oil works on wet clutchs' and final drives it will be fine.my trans changes fine with formula 1.engine oil consumption is almost zero with no topping up between changes [ every 4000 km ] with the HD engine oil and 65.000 km on the clock.