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 The previous version was outdated and no longer supported.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

510 motor question

L

Luigic81

Husqvarna
A Class
Whats different internally between the 510 and 450?
Is it just the crank and con rod?
Is the diffferent con rod what leads to rod failure in some 510's?
In theory could one replace the rod and crank in a 510, with a 450 rod and crank and basically have a SMR 450?
Thansk
 
that makes sense. So at the minumum, I would need a crank, rod and cylinder.

On a related note, anyone run a different cam on their 510 with good results in changing the power delivery?
 
Luigic81;89441 said:
that makes sense. So at the minimum, I would need a crank, rod and cylinder.
Click to expand...

The manual lists the stroke as 450/2.39" and the 510/2.67"

So yes that should do it...well maybe a gasket kit too.:D
 
apparently from another forum they said that the valve springs and intake cam are different as well.....
Maybe I'll look at a 530 kit instead
 
Luigic81;89483 said:
apparently from another forum they said that the valve springs and intake cam are different as well.....
Maybe I'll look at a 530 kit instead
Click to expand...

No, I think they meant the RR has different valve springs and intake cam. The standard 450 and 510 have the same head assy including same cams, valves, valve springs, etc.
 
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