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 The previous version was outdated and no longer supported.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

1980 390 OR + Lectron Overflow

gnlkrmz

gnlkrmz

Husqvarna
A Class
Hi Everyone,
I finally decided to get Lectron for my husky, Im opening this thread because i have an overflow issue and my bowl is full to the top all the time after a quick ride.
i thought maybe someone else might bump in to same issue, or it might help someone when i actually resolve the issue for future reference.

husqvarna_390or_Emrah (1 of 18).jpg > This is after i stop the bike, the bowl is full and some fuel is dripping from the vent line.

PHASE 1
A) I did install the Lectron and turned on the petcock, Fuel flowed nicely. and float bowl was at perfect level.
B) With a bit of throttle and couple of kicks, bike started right away...
C) Then i took the bike for a quick test ride.
D) After 5 min. my carburetor started to overflow. I stopped and checked my float bowl, and it was full to the top. i couldnt see and gap / space...
E) I did empty the bowl by idling the machine, and tried the WD40 + Compressed air trick . (just in case maybe something was in
F) Then i tried to run the bike again. it seemed leveled in float bowl but when i took it for a ride. It started to overflow again
PHASE 2
So, after talking to Lectron ; they mentioned it happens because of vibration and to resolve the issue they will be sending me a new "Needle Seat Valve"
I got the new part and installed it today. Took it for a ride. Bike was running pretty good, response was very good too.
But soon as i stopped to check the bowl, i noticed Vent line was trying to get rid of fuel, and float bowl was full again :(
I will be calling them again, but i like to know if anyone experienced the same issue with their lectron, and maybe experts here might have suggestions.
husqvarna_390or_Emrah (7 of 18).jpg
Replacing Needle Seat Valve
husqvarna_390or_Emrah (11 of 2d18).jpg

Thank you
 
grouty said:
Did you check the float height ?
Click to expand...

That will be next, but i didnt wanna touch the floats at the moment because Lectron is sending me one more Float Seat Valve (3.5mm 6 Holes)
which should arrive this weekday. Hopefully that will resolve the issue.

Grouty, do you happen to know what kind of Float seat valve you have on your Auto 390 ?
 
On a 390, the carb is tipped a little towards engine. If i set my VM at correct float height, level with bowl, it spews gas. If is set the float a little lower, then it is fine. Should be in your float adjustment.
 
Hi Everyone,
Thanks for your replies.
quick update;

Lectron sent me another Needle seat Valve (3.5mm 6 hole)
For Gravity or very low pressure, High Flow


Click > for Needle Seat Valve Image > Looks like this needle seat valve is totally different then what i had on the carb before)

Today i went for a test ride, and bike was running great !! It was little bit on rich side but didnt mind at all because pick up was very good no matter which gear i was.
No overflow, and after the ride float bowl level was perfect. Looks like problem resolved after replacing to this needle seat valve.

Only problem i have left is starting the bike probably.
What happens is i have to Turn the idle screw in (about HALF or 1 turn in) to start, then bike warms up and idle goes crazy high and i have to get the screw back again to get it in balance.
This isnt the best practice to keep adjusting idle screw in and out to start the bike.
But i am in touch with Lectron about this topic too, and hopefully we'll find a way to fix it.


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(For admins; I can not upload image or embed image via google photos) - When i try to embed it shows a broken image icon.

Im noticing that you are working on sorting out things on the forum, Thank you.
But If you guys are thinking about disabling image upload, that would create problem for future ( i think image upload size / dimension limit would help to keep bandwidth low as possible) - I noticed from other forums when they dont allow image upload, after a certain timeframe all the images and content gets lost, and all the useful information gets lost with it, and it turns in to duplicates of topics without solid information.

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