Primary fluid

[Michael rogers]

Can you use 15w 40 in the primary


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[SKOGDOG]

If I had a quart of !5-40 (non-syn) laying around I wouldn’t hesitate to use it as primary oil til next oil change. Many use ATF. Primary oil is there to lube the primary chain—-the most important thing is that it’s not synthetic. Of course many riders also use HD or other primary lube too. The cost conscious (me included) go for the ATF-F type. Couple of hundred thousand miles on Big Dogs—no problems with using that oil.

 

[Michael rogers]

If I had a quart of !5-40 (non-syn) laying around I wouldn’t hesitate to use it as primary oil til next oil change. Many use ATF. Primary oil is there to lube the primary chain—-the most important thing is that it’s not synthetic. Of course many riders also use HD or other primary lube too. The cost conscious (me included) go for the ATF-F type. Couple of hundred thousand miles on Big Dogs—no problems with using that oil.

I appreciate the info thank you


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[john sachs]

ATF type F in the primary, is what I use on most bikes I work on. Majority of them are high horse power, and high torque power.
John

 

[woodbutcher]

If you haven't put it in yet, don't put in the whole quart! Just put in 20 oz., it was decideded that 32 oz causes too much pressure in the primary and pushes it through the seals. If you have, draw it back down with a turkey baster.

 

[Michael rogers]

looks like i have a little leak coming from the trap door . i ordered a new gasket ,when i put it on should i use a gasket sealer ,or should i not


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[Rottweiler]

I usually put a little bit to stick it to the cover side only. Wipe it clean before putting it on. So it comes off with the cover next time.

 

[SKOGDOG]

Yep—it’ll help—-better that than overtightening—that tends to snap off a corner of your ‘trap door’. Ask how I know—-haha I haven’t had to replace an inspection panel lately—maybe you can get a stronger one now. I do know you’re deadlined until the broken one is replaced……

 

[TreeGuru]

Yep, me too. Switching back and forth on the primary inpection rubber gasket and the inspection cover gasket primary Buna Square gasket you use lower bolt torque on the Buna Square gasket. Yep broke a corner of the inspection cover but now I have replaced with the stronger inspection cover.

 

[john sachs]

looks like i have a little leak coming from the trap door . i ordered a new gasket ,when i put it on should i use a gasket sealer ,or should i not


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My take on any gasket I use.
Coated paper or composit. Just install.
Uncoated paper = light coat of spray gasket sealer.
Metal gaskets = metalic silver paint, or Permatex Copper Spray a Gasket Hi-temp. Super light coat in the oil drain back , or seam areas.
Don't drown the gaskets.

 

[ourode12]

If you haven't put it in yet, don't put in the whole quart! Just put in 20 oz., it was decideded that 32 oz causes too much pressure in the primary and pushes it through the seals. If you have, draw it back down with a turkey baster.

How true is this statement? I have been battling a leaking primary every year. This year I'm trying the Cometic primary gasket #STDY8998. This one has the thin metal with pre-spray-on gasket material. Assembling in a few minutes and if this is true, I'll only pour in 20oz.

 

[Rottweiler]

Yes 20oz 24 max. It only needs to touch the chain it will get thrown around and lube everything fine.