Just bought a 1997 yamaha g16 golf cart. Put new carb on and runs great, but smokes really bad. any suggestions to most probable cause. Could it be stuck rings from sitting so long
It is most likely related to the rings, but running it would unstick them very fast if they were stuck. It's possible that sitting let rust develop in the cylinder walls and there may be some grooves in them now. They could also just be really worn cylinders. They make some oil conditioners which I wouldn't recommend on a car, but might work fine on a golf cart. I can't recall the name, but it was in a silver can, maybe called engine restore... You could always try that before resorting to a rebuild.
Testimonial: "thanks for your advice. I will try an additive before a rebuild."
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Good day to you, I do not have the exact diagram in a document for you however I know you can find the manual for your unit over at cartpros. Here is a link for you:
Not supposed to have a delay. Something is wrong.
Possible causes are Starter/ Gen bad, loose belt or worn, I am thinking this a gas cart? Usually G16 A is gas and G16 E is electric.
www.golfcarthotrod.com > Golf Cart Repair Apr 30, 2010 - Electric E-Z-Go Golf Carts are becoming more popular every day ..... I have a ezgo carryall gas golfcart. it has began to pour smoke from rear.
Pleasecontact golf cart Kings out of Austin Texas. They will be more than glad to help you with this problem that you are encountering. Their Tek savvy is always free. Please be patient as so many people are always asking questions. But you can't beat free.
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What ussually causes white smoke to come out the exhaust is oil being sucked up in carb. Typical causes are too much oil in crank case or PVC valve. Or really bad piston rings
check to see if there is a circuit breaker on the wire path from your batteries. Could have blown the motor but You would see some smoke more than likely, and smell it burning. What you described with the popping sounds like an electrical short where the wires just burned up but again you'd smell it and maybe see smoke. The switch may be bad also check it with a meter to see it its making contact and see if voltage is coming up to and exiting the switch.
Hi and welcome to FixYa, I am Kelly.
The new carb. fuel mixture adjustment screw should be very close to the setting needed to operate the engine normally. You should not have to move the screw more than 1/8 th turn in either direction from the current ORIGINAL setting.
You mentioned the engine smokes really bad. Several things cause a smoking engine:
1. Older engine
a. Piston oil rings stuck to the piston skirt or rings worn out
b. Piston wear
c. Cylinder wear
d. Valve stem and valve guide wear
e. Valve head and valve seat wear.
f. Crankcase breather clogged
g. Overserviced engine oil.
Perform a compression test on the engine. You should have a minimum of 120 PSI pressure. The higher the pressure the better. If the cylinder compression is under 110 PSI the engine needs some serious maintenance.
I can not emphasize enough that the new carb needing any major adjustments is a symptom of other problems within the engine. Like I mentioned earlier if you have to make a fuel mixture adjust more than 1/8 th turn in any direction from the original setting something else is wrong.
IF by chance someone got over anxious and has moved the fuel mixture screw start at 1.5 turns from just barely closed. I am surprized that the new carb did not come with a plastic cap over the mixture screw.
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