• 4 Stroke Husqvarna Motorcycles Made In Italy - About 1989 to 2014
     TE = 4st Enduro & TC = 4st Cross

  • Hi everyone,

    As you all know, Coffee (Dean) passed away a couple of years ago. I am Dean's ex-wife's husband and happen to have spent my career in tech. Over the years, I occasionally helped Dean with various tech issues.

    When he passed, I worked with his kids to gather the necessary credentials to keep this site running. Since then (and for however long they worked with Coffee), Woodschick and Dirtdame have been maintaining the site and covering the costs. Without their hard work and financial support, CafeHusky would have been lost.

    Over the past couple of weeks, I’ve been working to migrate the site to a free cloud compute instance so that Woodschick and Dirtdame no longer have to fund it. At the same time, I’ve updated the site to a current version of XenForo (the discussion software it runs on). The previous version was outdated and no longer supported.

    Unfortunately, the new software version doesn’t support importing the old site’s styles, so for now, you’ll see the XenForo default style. This may change over time.

    Coffee didn’t document the work he did on the site, so I’ve been digging through the old setup to understand how everything was running. There may still be things I’ve missed. One known issue is that email functionality is not yet working on the new site, but I hope to resolve this over time.

    Thanks for your patience and support!

X lite motor

I change oil every 500 kms in normal use, but when race I change it every time.
I used a lot of Motul 300V 15W50, also 5100 10W50, Castrol Power 1 10W50, Shell Helix 20W50 (gasoline mineral oil), Petronas Syntium 10W40 (sint. blend car oil) and Petronas Syntium 5W40 (for diesel cars).
The bike runs better with the 5W40, and have the same oil consumption than the others.
5W40 shear faster than others, need short intervals.

I'm continuously checking valves, cams, piston... and no wear symptoms.
 
If you are in Europe, look for Shell Helix 0W40 & 5W40 (5w40 is actually thinner).

10231d1325655257-shell-helix-ultra-full-engine-oil-helix_ultra_5w-40.jpg
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http://www.wolterwasserbillig.de/fileadmin/user_upload/Formulare/Shell_Helix_Ultra_5W-40.pdf
 
I think 0W40 can be dangerous for drive train, especially in Spain.
I'm using the Petronas every day in cars and is more cheap than the Shell because I buy a lot of it.

2vei.jpg
 
bigmo said:
Isn't Helix rebranded Rotella with slight modifications to the additive package? I could have sworn I saw adverts a while back that they were the same - at least the same base stock group.
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No, completely different additive package to compete with M1 0W40, extremely heavy detergents to pass SN ratings.
 
4stroker said:
What about oil shear?
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I actually explained this a little better in my oil thread in my forum, but looking at shear is something we used to be concerned with conventional oils when working with VI&II improvers. Since there are none of these in synthetic oils, we will instead concentrate on shear pressure as a result of flow and cooling.
 
You can see in the oil reports how Rotella 5W40 shear faster than 15W40 in the shared sumps.
Wide Sae multigrade oils need too much viscosity improvers for our bikes.
Is that because European "long life oils" are 5W30 or 0W30, not 5W40 or 0W40.
 
Tinken said:
As I said above, synthetic oil contains no viscosity improvers.
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I'm sure Mobil 1 0W40 and Shell Rotella are good oils, and have good viscosity retention, but in fact sintetics contains VII, and are shear resistant in a engine, but not in a drive train.
Not all sintetic oils are PAO or Ester, not all VII are similar quality.
In the oil reports Castrol Power 1 10w50 shear fast to 14 cst, this is a W40 value and is a 100% sint.
If you have a good experience with Mobil, thanks for share! But be carefull with another's 0W40' s, not all is Mobil or Shell.
 
Tinken, what do you think the minimum 100c viscosity requirement is for the X-Lite engine? Amsoil has a motorcycle-specific 10W-30 that is 72.9 cSt @ 40c, 11.3 cSt @ 100c, and a HTHS viscosity of 3.5cP @ 150c. Would the increased flow offered by this oil work even better than a 0W-40, or is it too thin at high temp? The HTHS viscosity is just 0.3cP below Mobil 1 0W-40 (3.8cP @ 150c), and the low temp viscosity is actually better than the Mobil 1 0W-40 (75cSt @ 40c) so it should flow a little better at startup.
 
It should work fine, especially in Alaska. The manf spec oil for my KTM 525 is 10W30. And I know a few people who run 10/5W30 in their 449.
 
the engine wa s originally designed by an asian engineer, later upgraded by the BMW engineers w a F-1 style valve train.
 
4stroker said:
I think 0W40 can be dangerous for drive train, especially in Spain.
I'm using the Petronas every day in cars and is more cheap than the Shell because I buy a lot of it.
Click to expand...



40W motor oil has the same viscosity as 90W gear oil. How can that be dangerous for the drive train?
 
Who ever designed the oil maintenance procedure on that engine needs to be shot. My drain back kit went on all of my 310's today.
 
sa
Mike-AK said:
40W motor oil has the same viscosity as 90W gear oil. How can that be dangerous for the drive train?
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40W..same 90w wth ok lets just go ahead and open this cana worms who's are in house petro engineer surly there's one outa 15000
 
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