i have an 80 440 srx and i have went through the carbs completely and still will not run right at all. when i hit the throttle all it does is back fire and stall out. motor has 110 psi in the cylinders. that was a dry test. not to mention it smokes alot too. choke plungers are not sticking i have checked those already too.
MountainMax
New member
Hey tom, a good 80 SRX should have 140 PSI dry compression stock, is it just one cylinder running bad? what do the plugs look like after running a while???? can you get a close up pic of them? you could always swap carbs from one side to the other to see if the problem follows that cylinder or carb.........
relic
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- Nov 26, 2004
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did you get your srx running or are you still down and out i can help. 
Last edited:
2ooosrx
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it almost sounds like you need some new gaskets. If it is smoking alot and has low compression, it might be something to look into.