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 The previous version was outdated and no longer supported.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

URGENT: TE449 Camshaft spacer/bushing migration

Marc Noel said:
Trenchcoat85:

You previously said you didn't recommend leaving a makeshift retaining bolt in. Why? What do you think would happen? If I can get relatively concentric with the cam's centreline, and use Loctite with a lock washer/fender washers that have been deformed to become conical, plus, the whole bolt assembly may be weighing 100 grams (?), my observation is that it would vibrate minimally, hopefully not loosen, and just result in a bit more mass/inertia for the cam chain to move. The other cam is not hollow, as it has the decompressor, and it appears to me that the hollowing is a weight-saving measure.
Click to expand...

so "if" you can get it on the centerline, and "if" you can deform a washer symmetrically (with a hex nut? not a ball or cone?) , and by adding 3oz to the cam, which somewhere you've seen not vibrate, and "hopefully" not loosen... what do you get?? oil on the lobes- which you seem to be getting with that thing floating. so that would be way overkill and insanely hard. and in the end, your modification would probably work lose. you're trying to retain a plug for an oil passage (i think). way too much engineering for a very simple problem. hell, you could stick a couple of welsh plugs in each end of the cam. it would take more oil, true; but....

why do you think the exhaust cam is solid? does it not have oil passages? if you can't see any holes on the circle of the lobes then maybe it is solid.... but I'm a bit incredulous. how are the the lobes and (especially) the plain bearing surface lubricated? I'll keep an open mind but gimme some theories or pictures even.

good luck.
 
Trenchcoat85 said:
so "if" you can get it on the centerline, and "if" you can deform a washer symmetrically (with a hex nut? not a ball or cone?) , and by adding 3oz to the cam, which somewhere you've seen not vibrate, and "hopefully" not loosen... what do you get?? oil on the lobes- which you seem to be getting with that thing floating. so that would be way overkill and insanely hard. and in the end, your modification would probably work lose. you're trying to retain a plug for an oil passage (i think). way too much engineering for a very simple problem. hell, you could stick a couple of welsh plugs in each end of the cam. it would take more oil, true; but....

why do you think the exhaust cam is solid? does it not have oil passages? if you can't see any holes on the circle of the lobes then maybe it is solid.... but I'm a bit incredulous. how are the the lobes and (especially) the plain bearing surface lubricated? I'll keep an open mind but gimme some theories or pictures even.

good luck.
Click to expand...

Thanks for your reply.

Okay. This is what I wanted/needed, as I don't have enough experience with this to see it from multiple angles. I was under the impression that it was critical to have this insert remain in place, but, obviously, not. I have a hard time believing that it was knocked loose by my removing the valve cover. The cam lobe doesn't appear excessively worn, due to lack of oil.

It's funny you should comment about the exhaust cam, because the shop manual illustration and parts PDF both show the cams in the same position as for valve clearance inspection, so I couldn't see other points where there might be oil holes. I didn't think the exhaust cam might lack lube holes.

All right. No retaining bolt. I will monitor it with the current Loctite 243, and try the 640 later, if necessary.

Thanks for your perspective, help, and the well-wishes.
 
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