SRX cranks on 1 cylinder only

tnc110

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Joined
Mar 2, 2013
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389
Age
45
Location
NC
Srx will fire on one cylinder, let it idle for 30 seconds and the other 2 cylinders never fired. So I slowly eased into the throttle till the other 2 fired. Then let off and all was good.

I know I have read on here that you are not suppose to touch the throttle until it warms up...so is what I am doing ok? What is the cause of this? Carbs need synced?
 

yes they have been cleaned, pvs cleaned, new top end, good reeds. I would assume that if they were dirty then it wouldn"t idle as good as it does once I give it a touch of throttle? Runs great all across the board...just the first startup after sitting gives me trouble.
 
look like the needle and seat leak into the cylinder went the sled sit for some time
 


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