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1973 kawasaki 90 street bike 2 stroke


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scottgeorgoff
User

Apr 15, 2012, 8:12 PM

Post #1 of 3 (2723 views)
1973 kawasaki 90 street bike 2 stroke Sign In

i have a 1973 kaw 90 street 2 stroke ...been sitting for years. tried getting started but wont. got it stated with starting fluid but wont stay running.seems its a fuel problem (obviously) was told it has something to do with a "valve" that rotates and sits behind the carb (?)... dont have a clue about these old bikes


Discretesignals
Ultimate Carjunky / Moderator
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Apr 15, 2012, 8:22 PM

Post #2 of 3 (2717 views)
Re: 1973 kawasaki 90 street bike 2 stroke Sign In

I'm not a motorcycle technician, but since it was sitting so long the carb could be gummed up and/or the fuel tank is rusted internally and the rust is clogging up the screen at the bottom. Be careful running it on starting fluid. 2 strokes as you know require 2 stroke oil mixed with the fuel. Without the oil and just starting fluid, the internal parts of the engine don't have any lubrication.





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Hammer Time
Ultimate Carjunky / Moderator
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Apr 16, 2012, 5:26 AM

Post #3 of 3 (2675 views)
Re: 1973 kawasaki 90 street bike 2 stroke Sign In

To add to this... Many bikes have a fuel shutoff at the tank that is triggered by engine vacuum so make sure you don't have any leaking vacuum hoses.



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