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 The previous version was outdated and no longer supported.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

1972 125 cr gears?

zumatube

zumatube

Husqvarna
B Class
I have 1972 2022 how can I tell if it has CR gears without removing the gears? This is what I was told to count : 31 and 16 is the bottom two gears - the two on the top of the stack are 28 and 18.
What are the weak areas of the 72 motor and is a 73 any better ?
 
The parts list in the tech section do not tell you the # of teeth on each gear.I don't think there is any differance between a 72 and a 73 motor.I did not check the 74 parts list.Maybe it shows more info.
 
The 72 and 73 are the same. The 72, 73, 74 Cr gearsets are a little too close ratio for motocross. The 74 Sc or 76 and later Cr have the best ratios. The later ones have an updated shift stop mechanism that works better. I'm not exactly sure when it changed. It's like a modern one with detents in the shift drum. You need to replace the entire mechanism. I wouldn't bother unless the one you have is not working well.
Lower connecting rod ends tend to go bad, and noobs tend to turn the left-hand magneto nuts the wrong way and bugger the fine threads. The clutch basket is solid mounted and tends to get grooved, so I use Barnett aluminum plates and let those get torn up instead.
Pistons for the short rod motors (all '72 & 73, 74 Wr and Sc) are very hard to find. J.P.Morgen (Morgen Machine (415) 822-1315) in San Francisco can set you up with a Eurorod long rod and a Honda spec Wiseco piston and a spacer plate for under the cylinder that works very well. He's a vintage racer and costs are very reasonable.
Craig
#474
'06 AHRMA Classic 125 Int Natl champ, '73 125 Husky
 
Thanks for all the info! I'am still trying to find out if I have a WR or CR trans in my 72 motor. I was also told I could run the long rod with a short 1979 (non reed hole piston) along with a 2040 crank in my 1972 motor.
 
I came across a SC motor at a swap meet.Any plus to a 76 CR trans or this 74SC trans.I like to get back to work on my 125 project.I'm still looking for a good after market pipe for it.
 
The Sc and 76 Cr trans aren't identical, but you wouldn't know the difference in practice. Use whichever is in the best shape. The Sc went obsolete faster so it might have gotten less use.
 
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