• 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 The previous version was outdated and no longer supported.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!

Run/Break in procedure.

Lon

Lon

Husqvarna
AA Class
Ok, seem like everyone has their own opinion on this, but I'm trying to geta consensus on what the deal is. Done a search, and nothing really comes up but there are bits and pieces in multiple threads.

So,
My bike currently still has the factory oil in it. The dealer said run the factory oil for around 250Km, then drop in some mineral based oil for another 250Km then full synth oil after that. Not thrashing the bike for the first few hundred Km, then... go for it!

I've done about 60Km so far, nothing nutzo, just easy rides on easy terrain not straining the engine at all.

Thoughts?
 
Like you say, everyone has their own opinion so here's mine;

Dump the factory oil and replace with non-synth.
Ride the bike fast through the gears without thrashing it, full throttle accelerations then slow then full throttle on so on for 20 mins then let it cool for half hour. Do this 3 times. this forces the piston rings against the bore to get a good seal for the future. Do not labour the engine in to high a gear with the revs low.
Dump the oil and replace with the fully synthetic of your choice and do another change after around 50 miles then ride how you wish.
I've used this technique for years on new and rebuilt bikes with only good results.
 
Ride it normal, do not run it hard during break in. Change the oil at 30, 100 and 300 miles (48, 160, 480 Km). Use Mobil1 0W40 or equivalent light weight synthetic, change oil filter and clean pre-filter at every change. The new Husqvarna's are especially susceptible to damage during break in and have to be babied even more. I have rebuilt more 310/449 engines than I care to admit and the 449/511 engine is not Jap-crap, it's an German/Italian racing engine.

That motoman guy is spreading false information. Always use synthetic oil to break in your engine, not mineral oil. Synthetic is much more fluid and removes heat faster which is especially needed during break in. If you run these engines hard during break in, you will over heat your piston and valves causing them to stress fracture or expand faster than the cylinder and surrounding surfaces. I have already seen the new 310R valves stretch out of specification from heat abuse. You need to seat and polish your engine parts slowly and carefully. Ride normally and allow periods of cool down. It's your dime.

http://www.mobiloil.com/USA-English/MotorOil/Synthetics/Synthetic_Oils_FAQs.aspx
 
Either way, I changed the oil on the weekend, bugger all bits in the 2 screens, filter looked a bit on the blackish side, as was the oil. In went a K&P stainless filter and Mobil1.
 
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