• Husqvarna Motorcycles Made In Sweden - About 1988 and older

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 The previous version was outdated and no longer supported.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

Slide Mod to 3.5

HuskyT

HuskyT

Moderator
Staff member
A few of you were wanting pictures of a slide mod and the best way to do it:

This is a 1983 YZ490 Slide mod from 3.0 to 3.5. made the bike start like a dream hot or cold...

This is set in a Bridgeport mill and clamped at 20 degrees:
35slidemodfixture.jpg


This is shown checking the depth of cut with a .218 check pin ( was fine with a +/- .010 tolerance:
35slide218checkpin.jpg


Note that the burr still needs removed on the ID surface here. USe a small round file or a piece of light emory paper to round the edge and make smooth at all transition points.

Hope this helps.

T
 
Great pics

Great pics. I tried to take some but my camera doesn't take close ups very well. The one thing I was always told was not to extend the cut to the mid point-cut out for the idle and guide. I see that cut stops well before them. Good one to pin to the tech. reference? Scott
 
I have 2 430s one I am using has a cut slide as shown on the mill and starts great, the other yet to run ( will be in a week or two) has a stock no 2 uncutt I will let you know how they compare on starting
 
Thanks HT. A picture is worth a 1000 words.

Questions for those in the know - how much gets cut off the radius on the stock 2.0 slide to go to 2.5 or 3.0? Whats the distance from the top of the slide to the highest point of the cut radius?
 
Dave J;85456 said:
I have 2 430s one I am using has a cut slide as shown on the mill and starts great, the other yet to run ( will be in a week or two) has a stock no 2 uncutt I will let you know how they compare on starting
Click to expand...

Dave... if you can measure with a check pin in the manner shown for cross reference.... you can use anything for the top piece ... a big socket works well..... if you don't have check pins a caliper will work equally well.

T
 
Slide Mod Specs

Rick... this should answer your question....

For guys that may be modding thier slides this may be usefull....

2.0 equivalent to 1/8 or .125"

2.5 equivalent to 5/32 or .156"

3.0 equivalent to 3/16 or .187"

3.5 equivalent to 7/32 or .218"

Note: This is not a metric conversion
Measure as indicated in the pictures above. If you don't have custom gage pins like I do, use drill bits to measure with.

If you modify, do it one step only at a time.....e.g 2.0 to 2.5 ... then try it out and see how it works both hot and cold.

T
 
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