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 The previous version was outdated and no longer supported.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

Used 84 husqvarna 250wr

Bigbill

Bigbill

Husqvarna
Pro Class
I picked this bike up recently. It was very rich running. We found the float level off, the pilot jet plugged up, the spring on the needle and seat missing, the choke piston was sticking and the lever was bent. We replaced everything from our used parts bin and installed a new #45 pilot jet. Now she runs a lot better and there is no fin rattle with the piston and cylinder and she has tons of compression. Our problem is the throttle doesn't feel crisp and she doesn't seem to rev up the way it should? What's the problem the carb is fine now.

Timing way too far retarded?

Maybe the PO seized it, but it wouldn't have all that compression it has. She kicks back if you don't kick it hard enough.

The heavy blue smoke has stopped but it has enough to know it's a two stroke. The tranny oil level is good.

I'm thinking to check the timing next. Then if that's ok pull the pipe and inspect the piston.
I have new boseen reeds but I didn't install them yet. I'm on the brink of ordering a new piston, bearing set, seal n gasket set......but the compression has me confused. If it's been seized it wouldn't have so much compression.

Let's call this one confused, I am... bigbill
 
How's the air filter, too much oil? How old is the fuel?? If it kicking back it's the timing, 250's
should never kick back

Take the pipe off or very least silencer & clean the inside , if it was smoking that bad the stock silencer may have clogged up & that can restricting the top end.

What's the main jet size? if it's got a stock one it's something like a 430, way too big?

My 84 250CR , ran like your saying, I went to a 380 main (I'm at sea level) , pull the silencer off & put on an Answer & it ran like a completely different bike.


Husky John
 
The main is a 450 jet. The pilot is a 45 with one turn on the balance screw. The needle is in the second groove from the top. The bottom to mid seems ok but it seems to never hit the top revs. I have a complete set of jets. The sticking choke rod cleaned up the bottom. So a smaller main and check the timing and clean the uni filter. The air filter looked clean but I'll wash it anyway.
I'll pull the muffler and clean it and repack it.

I picked up some blendeez what castor oil mix ratio did they use back in the 80s?

Thanks bigbill
 
I picked up some blendeez what castor oil mix ratio did they use back in the 80s?

Golden Spectro is what I used

I played a little with the main jet sizes before I determined 380 was it for my bike, so I'd start with slightly leaner
main, then see where it goes.

On my CR the silencer was 1/2 the solution & the other 1/2 was jetting. My bike was used as trail bike for many years & suffered
because of it, til I uncorked it :D

I doubt the timing is your real problem, breaking parts from kick back is a big bore issue.

 
I think the harder kick starting might be from having too much oil in the crankcase. Since she's rich on top.
Well attack the main jet first.

I want to pull the flywheel if it's an SEM ignition anyway to check the magnets to see if there are any cracks in the epoxy. I can reepoxy them now. I'm hoping it's a Motoplat ignition.

I used super M two stroke oil in my '98 husqvarna.
 
Pull the flywheel and check the woodruff key. They have a habit of doing that and slipping just enough to let it run, but not rev.
 
What elevation are you at Bigbill?

My 84 WR 240 uses a 35 pilot and 450 main at sea level. 2.0 slide, needle 6F16, needle jet P8. No problem revving! I run the stock pipe and silencer. Very quiet bike.

Does it have the Mikuni 38mm carb fitted?
 
45 pilot sounds big...i like to check timing on a new acquisition, easy when they have a motoplat
 
What I mean about hard kick starting it feels harder to kick like a 430. I think the piston is loaded with too much oil. The engine tries to clear it until it won't rev up.

Well look at the timing and Woodruff key first. I usually set the static timing a hare advanced before TDC.

Then we'll check the muffler and pipe for obstructions.
Inspect the piston. Head torque. Torque specs?

Then reject the carb. Pilot to 40, main to 430 first from 450. Put the needle in the middle slot.
Then the main to 420, to 410 to 400 till it revs. Slowly jetting it correctly.

Sound like a plan?
 
Are you riding it to test the jetting or just revving it on the stand?

Also there is no way the 250 should be kicking back. It should be a doddle to kick over with the correct kick start lever. It should have a SEM ignition and you will need to check the timing with a strobe light.
 
Well look at the timing and Woodruff key first. I usually set the static timing a hare advanced before TDC.

Then we'll check the muffler and pipe for obstructions.
Inspect the piston. Head torque. Torque specs?

Then reject the carb. Pilot to 40, main to 430 first from 450. Put the needle in the middle slot.
Then the main to 420, to 410 to 400 till it revs. Slowly jetting it correctly.

Sound like a plan?

Yeap sounds like the correct direction :thumbsup: to me
 
This bike has no fin ring or piston slap. It's very quiet for an air cooled engine. She sounds like she wants to fly I can't wait to see it running correctly.

This bike is making want a husqvarna cr 500. I've always wanted one. The videos on you tube it looks like a wild ride. My main ride years ago was a 79 husqvarna cr 390.
 
Bigbill, where are you in Connecticut? I am in Somers( east of ct river and nudging Massachusetts border)
 
I'm near Waterbury. Years ago we rode in mass. at October mountain, the pipe line and Otis mass. The October mountain is the Indy 500 of off road riding. We would leave home at 7am ride from 8am and get home at 9pm and never hit the same trail twice.
 
BB ..stop reminiscing and fix :naughty: that bike!

Were all dying to find out what's wrong with it. (my money is blocked pipe, some thing is living in there!)
 
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