Kristy’s 08 x- bones...
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Ultimate HDF Member
Joined: Jul 2014
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From: MASS_hole
Kristy’s 08 x- bones...
Starting to show sumping symptoms issues.
Started in mid season.
Taking it to the dealer in hopes we’re not to deep on the list of repair.
What will be the first thing they’ll look at? Oil pressure?
I have no clue. And of course, that doesn’t help Kristy feel any better. Nor me.
My advice to her was to not ride it till we had it looked at. Is that a fair solution til then? Or am
I being overly cautious?
Thanks for any guidance I can get from my evo family even though the x- bones isn’t one
Started in mid season.
Taking it to the dealer in hopes we’re not to deep on the list of repair.
What will be the first thing they’ll look at? Oil pressure?
I have no clue. And of course, that doesn’t help Kristy feel any better. Nor me.
My advice to her was to not ride it till we had it looked at. Is that a fair solution til then? Or am
I being overly cautious?
Thanks for any guidance I can get from my evo family even though the x- bones isn’t one
Stellar HDF Member
Joined: Jul 2011
Posts: 2,583
Likes: 115
From: Boston, MA
I didn't know about this issue about the Twinkies.
That motor, much to the undeserved ridicule it gets from us, is very stout and robust. Unless it was the dopey cam gear failing then those engines are good for a good long time. I've only ever really hated the heat they throw off. Too hot in stock form.
It is a typical tractor engine so finding the issue should be fairly easy.
Sorry I can't offer more hello than this.
That motor, much to the undeserved ridicule it gets from us, is very stout and robust. Unless it was the dopey cam gear failing then those engines are good for a good long time. I've only ever really hated the heat they throw off. Too hot in stock form.
It is a typical tractor engine so finding the issue should be fairly easy.
Sorry I can't offer more hello than this.
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Ultimate HDF Member
Joined: Jul 2014
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From: MASS_hole
Actually Tee&Vee, that was very reassuring.
Little back story... Ever since we finally became HD owners in mid 2014, the one thing I picked on very wuickly was how the crank vents into the injection system. And I was like whoa! After the inevitable fix of re routing to the atmosphere, I may have taken it a bit too far by running the oil levels almost at the fill line. Not the middle like smart ppl do. But at the fill line
Are you beginning to get an idea as to the problem I was creating?
Since this morning after I posted this thread, I finally decided to get wise after someone else pointed out how much more heat a low oil fill would generate, that I decided restore the level at middle of empty/ full line
One important note is that the only issue with e sumping is the oil bag draining and temps at the 250* mark. Not 275 as stated earlier. No smoke and engine is very strong. And starts at the touch of the switch and idles perrrfecty.
So we may have caught this just in time
thanks fir tour input bro
Little back story... Ever since we finally became HD owners in mid 2014, the one thing I picked on very wuickly was how the crank vents into the injection system. And I was like whoa! After the inevitable fix of re routing to the atmosphere, I may have taken it a bit too far by running the oil levels almost at the fill line. Not the middle like smart ppl do. But at the fill line
Are you beginning to get an idea as to the problem I was creating?
Since this morning after I posted this thread, I finally decided to get wise after someone else pointed out how much more heat a low oil fill would generate, that I decided restore the level at middle of empty/ full line
One important note is that the only issue with e sumping is the oil bag draining and temps at the 250* mark. Not 275 as stated earlier. No smoke and engine is very strong. And starts at the touch of the switch and idles perrrfecty.
So we may have caught this just in time
thanks fir tour input bro
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Ultimate HDF Member
Joined: Jul 2014
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From: MASS_hole
Been since about 10:30 this morning that I raised the oil level on the dip stick on both my Slim. And Kristy’s bones.
Each were treated to 3/4 (24oz) of a quart of fresh AMSoil 20/50 after each bike snd me enjoyed a thirty to forty five minute ride.
I’m happy to inform you at the moment that each bike has been showing no loss of oil into the crank. It is now 6:00 pm
Each were treated to 3/4 (24oz) of a quart of fresh AMSoil 20/50 after each bike snd me enjoyed a thirty to forty five minute ride.
I’m happy to inform you at the moment that each bike has been showing no loss of oil into the crank. It is now 6:00 pm
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Ultimate HDF Member
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From: MASS_hole
If the problem with the Bones does return, I may go this route > https://ertproducts.com/sp-tc-for-twin-cam-harley after a proper oil pressure test has been taken
Stellar HDF Member
Joined: Jul 2011
Posts: 2,583
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From: Boston, MA
That's good news. The cross bones was only ever a 96" motor. I think that was the best iteration of the twinkies. The chain tensioner was hydraulic by this point. It was never prepped for a carburetor only the better Delphi fuelie so it's got a better design aspect right there. The 2007 transmission crossover year was in the rear view at this point. PLUS IT IS A SPRINGER!!!!!
at laconia this year a guy had one with naked handlebars. I'll see if I have one on the phone. It was a slick setup and super clean bars.
at laconia this year a guy had one with naked handlebars. I'll see if I have one on the phone. It was a slick setup and super clean bars.
Dirt don't hurt
Joined: Jan 2011
Posts: 21,065
Likes: 4,561
From: Haslet Texas
If you want to cool that motor off get a Jagg oil cooler on it.
The reason twinkies run so hot is there is a jet of oil hitting the bottom of the piston while in EVO's the bottom of the piston just gets splashed from the oil in the crank case.
When I installed my 111 which also has a jet hitting the bottom of the piston that damn thing got hot!!!!!
I put a Jagg oil cooler on it and it lowered the temp enough that I didn't notice it any more.
The reason twinkies run so hot is there is a jet of oil hitting the bottom of the piston while in EVO's the bottom of the piston just gets splashed from the oil in the crank case.
When I installed my 111 which also has a jet hitting the bottom of the piston that damn thing got hot!!!!!
I put a Jagg oil cooler on it and it lowered the temp enough that I didn't notice it any more.
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From: MASS_hole
Whoa Tee&Vee!!! Just noticed we is homies!
Been since Kristy snd me started a family that we haven’t made it out to Laconia.
Was also around when I quit road racing. Kids come first.
THC, you think 250* is too high? Only time it hangs on there is light to light.
Cruises at 225*
JAGG’s a great cooler. And a great choice, should I ever consider one. Thanks for your input guys.
Been since Kristy snd me started a family that we haven’t made it out to Laconia.
Was also around when I quit road racing. Kids come first.
THC, you think 250* is too high? Only time it hangs on there is light to light.
Cruises at 225*
JAGG’s a great cooler. And a great choice, should I ever consider one. Thanks for your input guys.
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Grand HDF Member
Joined: Nov 2009
Posts: 4,315
Likes: 1,663
From: Tampa
Not sure you solved this but the only sumping I've ever heard of on the Twinkie engine is caused by a loose or failing o-ring on the oil pump inlet inside the cam box area.
I'd post a pic but the forum is not allowing me for some reason.
I'd post a pic but the forum is not allowing me for some reason.
Dirt don't hurt
Joined: Jan 2011
Posts: 21,065
Likes: 4,561
From: Haslet Texas
Whoa Tee&Vee!!! Just noticed we is homies!
Been since Kristy snd me started a family that we haven’t made it out to Laconia.
Was also around when I quit road racing. Kids come first.
THC, you think 250* is too high? Only time it hangs on there is light to light.
Cruises at 225*
JAGG’s a great cooler. And a great choice, should I ever consider one. Thanks for your input guys.
Been since Kristy snd me started a family that we haven’t made it out to Laconia.
Was also around when I quit road racing. Kids come first.
THC, you think 250* is too high? Only time it hangs on there is light to light.
Cruises at 225*
JAGG’s a great cooler. And a great choice, should I ever consider one. Thanks for your input guys.
At 200° you don't feel the heat coming off the motor which is a large complaint of those running twinkies.
Remember you have an air cooled motor and the cooler you can get that oil then the longer the motor will last.
FWIW Amsoil will handle 250° just fine but I like them cooler.