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04-21-2020, 04:02 PM | #1 |
Not Yet Wild
Join Date: Apr 2020
Location: Springfield, MO
Posts: 25
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G2 Crank no start issue
Hello. I'm brand new here and was given a yamaha g2 golf cart. It previously ran great but one day in the middle of a drive it just died and has not run since. upon inspection, I noticed some back pressure coming out the carb. I found out that the spacer for the carb had a crack in it and was causing an air leak. I changed that and put a new carb on it (old one was original and was pretty crusty). It now how's new gaskets, spacer and carb, also a new spark plug, but still will not run. It acts like it has a back pressure problem (sending smoke and gas vapors out the intake. Any one have any ideas what could be wrong. I'm new to working on engines, so any help would be great. Thank you.
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04-25-2020, 12:57 PM | #2 |
Not Yet Wild
Join Date: Feb 2019
Posts: 41
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Re: G2 Crank no start issue
You said it has a new carb?
Yamaha part or Chinese Amazon part? Is it properly adjusted? |
04-25-2020, 01:08 PM | #3 |
Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: G2 Crank no start issue
Get a valve cover gasket (replacement will be necessary), remove valve cover, put pushrod back in place, properly adjust valves, clean VC gasket & replace. Then, go for a drive.
After that, you will probably notice it runs like crap, the solution to this is clean up your original carb & put it back. You can thank me later. |
05-05-2020, 04:56 PM | #4 | |
Not Yet Wild
Join Date: Apr 2020
Location: Springfield, MO
Posts: 25
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Re: G2 Crank no start issue
Quote:
I don't know how to upload photos on her, or I would send photos of what i'm talking about. |
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05-05-2020, 04:58 PM | #5 |
Not Yet Wild
Join Date: Apr 2020
Location: Springfield, MO
Posts: 25
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Re: G2 Crank no start issue
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05-05-2020, 06:07 PM | #6 |
Not Yet Wild
Join Date: Apr 2020
Location: Springfield, MO
Posts: 25
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Re: G2 Crank no start issue
Here are a couple pictures of the issue i'm having.
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05-06-2020, 01:41 PM | #7 |
Nincompoop village idiot
Join Date: Apr 2018
Location: Michigan
Posts: 9,682
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Re: G2 Crank no start issue
call don plowman www.plowmanscarts.com and buy a new set of push rods.
This happens when the valves aren't adjusted regularly and they get so loose that the push rod falls out. usually they'll just fall out, just put it back in, set the lash to .004 and you're good to go. looks like yours bound up on something and snapped so it will need to be replaced, but once you get new ones drop them in, set the valve lash and you should be good. keep in mind the part that broke off is in there somewhere, i'd fish down there with a magnet into the galley and it's probably dropped to the bottom next to the bottom of the part that's still sticking up. make sure to pull that piece out before replacing it and running the motor. |
05-06-2020, 02:40 PM | #8 |
Searching for The Way
Join Date: Oct 2009
Location: Medina, Ohio (NEOHIO)
Posts: 11,441
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Re: G2 Crank no start issue
What happened to the broken off pieces? I'd be worried about those pieces getting stuck in the bottom end somewhere and damaging the connecting rod, piston, crank, etc. You might have to open up the engine to inspect and retrieve the broken parts.
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05-08-2020, 03:22 PM | #9 |
Not Yet Wild
Join Date: May 2020
Posts: 4
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Re: G2 Crank no start issue
Yikes! I have the same cart, but have not had this issue. Happy to use mine for reference though... just LMK.
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05-11-2020, 01:09 PM | #10 |
Not Yet Wild
Join Date: Apr 2020
Location: Springfield, MO
Posts: 25
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Re: G2 Crank no start issue
Thank you guys! I appreciate all the help. Am I right that the push rod just bolts onto the rocker there? From how it looks right now, it looks like it just broke off a the bottom of the threads on the top of the push rod where it attaches to the rocker. (I hope i have the part names correct). Long term goal for this cart is to completely rebuild the engine, but for now, I want to get it running again. So replacing the push rod, is all I need to do (and adjust the valves). Does anyone know of a good tutorial video or diagram for replacing the pushrods? Thank you!
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