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-   -   91 ezgo engine performance? (https://www.buggiesgonewild.com/showthread.php?t=811)

05-26-2007 05:39 AM

91 ezgo engine performance?
 
Ok...you guys probly know I have my first gasser. I finally got it home with the help of Muaythai41. Is there anything I can do to get a little more performance out of it?

ruredy 05-26-2007 06:09 AM

bore it out, oversized piston and rings is about all I can think of for a 2 stroke. I haven't messed with 2 strokes for awhile so maybe some of the others have more useful tips

05-26-2007 06:06 PM

Its sloooooow......or all gassers like that? :lol: Should the belt ride all the way down into the sheave? It cant be the brakes because they dont work at all. :lol: :lol: :lol:

NO NO NO E-Z-GO! 05-26-2007 08:44 PM

Adjust the governor the same way all EZGOs work. :roll: :-D :lol:

05-26-2007 08:59 PM

I adjusted the; what I'm assuming is either a main air or idle air adjustment screw on the side of the carb. It starts alot sooner now and runs alot better. Tommorow I may change plugs and start using a full synthetic pre-mix just to see if there are any gains to be had.

mb523 05-26-2007 10:30 PM

Make sure the belt is not worn too badly... and yes, it should ride all the way down into the driven clutch (on rearend). When it does that, it is in "high gear". I would get a new plug and new air filter as well. Governed speeds are SLOW too...

As for performance, I would say gov. adjustment would be your biggest improvement, HOWEVER, prolonged high revving will rattle that little robin apart in no time!!

Are you using oil injection or pre-mixing? I would suggest pre-mixing for peace of mind, and so you can add a little extra oil to help lubricate when it gets driven over 20 min non-stop. I mix at 1.5oz oil to 1gal gas and use TCW-III 2-stroke oil.

I think I covered everything... LOL


Oh, and also check the compression... it should be arouns 120-130PSI

05-30-2007 03:57 PM

Would gutting the muffler let it breathe a little more?

NO NO NO E-Z-GO! 05-30-2007 04:02 PM

The muffler that is on it is probably really gummed up and clogged. Replace it anyway.

Dero 05-30-2007 04:40 PM

run it nonstop for 20 or 30 mins. It will get hot and burn out anything thats clogging it. Ive head of people slicing it open to open it up some and welding it shut again.

NO NO NO E-Z-GO! 05-30-2007 04:43 PM

You know that roady can't weld. :shock: :-P :lol: :lol: :lol:


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