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Gas EZGO Gas EZGO Marathon, Medalist, TXT and RXV. |
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09-04-2012, 06:13 PM | #11 | |
Not Yet Wild
Join Date: Aug 2011
Posts: 32
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Re: How do you unseize the motor?
Quote:
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09-04-2012, 06:19 PM | #12 |
I Refuse To Get Stuck!!!
Join Date: Jun 2010
Location: Hilton,NY
Posts: 5,427
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Re: How do you unseize the motor?
There is a Thread on the "Grease-Gun Trick" to pop the clutch as well.The side-cover is the crankcase cover behind the clutch.
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09-04-2012, 07:02 PM | #13 |
Not Yet Wild
Join Date: Aug 2011
Posts: 32
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Re: How do you unseize the motor?
I searched for the thread you described but I guess I couldn't find the original message on how to do it. I also read something about putting bread in the hole. Does that really work ? I'm not too good about navigating all these "threads", so if you could maybe send me a "pm" or regular email (c21tupper@aol.com) with detailed instructions or copy and paste something that would be great ! Thank you for your help !! Cindy
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09-05-2012, 12:39 AM | #14 | |
Not Yet Wild
Join Date: Aug 2011
Posts: 32
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Re: How do you unseize the motor?
Quote:
Also, the 2nd picture shows a number on the motor. What is this number for? |
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09-06-2012, 12:25 AM | #15 |
Not Yet Wild
Join Date: Aug 2011
Posts: 32
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Re: How do you unseize the motor?
O.K, Have the whole thing all apart, found a # 10 x 1 1/2 inch cap screw laying in the bottom of the crankcase, on further investigation, the back piston rod journal was loose,and the other cap screw was only finger tight.valIves do not appear to be damaged, back piston bearings are scored, as well as the crankshaft bearing surface, front piston seems to fe fine , no scratches on the back cylinder piston surfaces, or the front cylinder, do I need only one new piston, rod, and whatever or do I need both. obviously, I need the crankshaft resurfaced on the back piston, do I also need new valves? What do I do from here? Thanks for all your help so far !!
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09-06-2012, 06:11 PM | #16 |
I Refuse To Get Stuck!!!
Join Date: Jun 2010
Location: Hilton,NY
Posts: 5,427
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Re: How do you unseize the motor?
A few things.The Rod-Bolt broke,which probably stressed the rod and cap.I would replace the connecting rod for sure.You will have to take the crankshaft out and check it over,if it has any marks or damage it will also need to be machined or replaced.The Crankshaft-Journal that the rod rides on needs to be a certain diameter(look in the manuals section for specs.).If its' under-sized,it will need turning or replacing.If the pistons are ok,and meet spec. for piston to cylinder-wall clearance,then they are reuseable,with a fresh set of rings and a quick hone to de-glaze the cylinder.If they are loose in the bores,or there is a thick ridge at the top of the cylinder,It will need to be bored oversize and new pistons fitted.Because of the extent of damage,I would tear it down to the bare-block,check everything carefully(roll the valves on a flat surface to make sure they aren't bent from the piston contacting them when the rod failed),clean it good,and get whatever parts are needed.Hope this helps.
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09-06-2012, 06:14 PM | #17 |
I Refuse To Get Stuck!!!
Join Date: Jun 2010
Location: Hilton,NY
Posts: 5,427
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Re: How do you unseize the motor?
Forgot to mention.I would price the repairs vs a replacement-engine,maybe even a Clone or Big-Block.
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09-06-2012, 07:28 PM | #18 |
Respect the Cart
Join Date: May 2010
Location: Rocky Mount, Virginia
Posts: 2,190
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Re: How do you unseize the motor?
Cindy, I know I said that this isn't my field of expertise but on image 1 above, half way up on the left hand side is that a big old crack in the crankcase running around? If it is (and it might just be my bleary old eyes) then that may affect your decision on what to do next.
Dave |
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