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 The previous version was outdated and no longer supported.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

  • 2 Stroke Husqvarna Motorcycles Made In Austria - About 2014 & Newer
     TE = 2st Enduro & TC = 2st Cross

TE/TC Testing comp and leak down

HS507

HS507

Husqvarna
A Class
Can a leak down test kit do compression too, or are they usually 2 different kits? Also approx how many hours on motor is leak down tested? I take it it means testing main seal?
 
Just bought my first Husky, a 1983 XC 250. Performed a leak down test to check for air leaks around the main seals, intake and base gasket. I usually perform this test on any older 2 strokes I have bought to determine the amount of engine work required I.E. Whether or not Crank seals need replacing. About 8 psi is all that is needed for this test. A hand pressure/vacuum pump available at most auto parts stores and a bottle of soapy water sprayed on the engine can help find the source of any air leakage.

In addition, I will also perform a compression test to determine if top end parts are worn. In order for a 2 stroke engine to start, it should have a minimum of 100 psi compression but that low would indicate a top end rebuild is needed. The 83 XC only had 110 psi so I am figuring on rings at a minimum. 150 psi is considered good compression on the 125 Sachs engined machines I am used to. You will need a compression test gauge for accurate results. Husky guys please chime in.....as I am new to this forum and the Husqvarna brand.
 
arbortodd said:
Just bought my first Husky, a 1983 XC 250. Performed a leak down test to check for air leaks around the main seals, intake and base gasket. I usually perform this test on any older 2 strokes I have bought to determine the amount of engine work required I.E. Whether or not Crank seals need replacing. About 8 psi is all that is needed for this test. A hand pressure/vacuum pump available at most auto parts stores and a bottle of soapy water sprayed on the engine can help find the source of any air leakage.

In addition, I will also perform a compression test to determine if top end parts are worn. In order for a 2 stroke engine to start, it should have a minimum of 100 psi compression but that low would indicate a top end rebuild is needed. The 83 XC only had 110 psi so I am figuring on rings at a minimum. 150 psi is considered good compression on the 125 Sachs engined machines I am used to. You will need a compression test gauge for accurate results. Husky guys please chime in.....as I am new to this forum and the Husqvarna brand.
Click to expand...
Sach engined types? Are you referring to the original european 2stroke engine design? Like a historical referrence?
 
Sachs as in the German made 2 strokes found on Penton, Monark, Rupp, etc. mostly 125cc and 5/6 speed gearboxes.
 
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