• 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.

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1977 390CR won't start

X

xrdv8

Husqvarna
Hi all, I bought a 1977 390CR at the Mecum auction a year ago. Nice low mileage original bike. However, when I tried to start it it was locked up. After soaking the top end for a few days I got it to cycle through. I pumped all the liquid out of the cylinder, checked for spark and cleaned the carb. No matter what I do I can't get it to start. In theory I have spark, gas and good compression. I raced a 1974 400CR for 10+ years and never had a problem starting it. SO, my question is could the reeds have "stuck" also preventing it from running? I'm not really used to Reed valve intake as I'm more of a '74 and earlier rider. Any comments appreciated! Maury
 
Yes there is spark. There is gas in the tank and a clean pilot jet. Though the plug deosn't look really wet after kicking it. That is why I suspect the Reeds?
 
xrdv8 said:
After soaking the top end for a few days I got it to cycle through. I pumped all the liquid out of the cylinder, checked for spark and cleaned the carb. No matter what I do I can't get it to start.
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What and how much did you use to soak it? Are you sure the crankcase is completely empty?

xrdv8 said:
could the reeds have "stuck" also preventing it from running
Click to expand...
Its possible but it should at least cough once and the plug would be dry.

xrdv8 said:
I bought a 1977 390CR at the Mecum auction
Click to expand...
Not knowing the bikes history its possible the timing is off.
 
Pull the plug squirt a little fuel down in the plug hole put the plug back in and kick it if it doesn't light off in a couple of kicks change the spark plug but before all that lay the spark plug on the cylinder head in the dark kick it and see if you get a spark
 
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