99 txt help

Thayes8160 · 12-09-2012, 12:58 PM

Hey guys new guy here lol but i recently got a free txt cart that wasnt running. after i got the motor torn down i found that it had broken a rod. im going to order a rebuild kit but i need to have the crank turned do to it getting pretty rough when the rod broke. my question is, where can i get this done? im in southern california. my next question is when it gets turned do i have to get a different size connecting rod? thanks in advance guys

kyerik · 12-09-2012, 02:35 PM

An automotive machine shop can machine the crankshaft and get it smooth but you will need either undersized bearing inserts or a new smaller rod. Make sure you can find a rod or smaller bearing insert before paying to get the crankshaft machined. It may be cheaper to just buy a generic "clone" 4 cycle engine and install it.

Thayes8160 · 12-09-2012, 02:46 PM

anyone know where i can find bearing inserts like your talking about?

kyerik · 12-10-2012, 08:46 AM

For the record, I don't know if inserts are even available for those rods. Is there currently an insert type bearing in there now?

nobuckbuild · 12-10-2012, 09:20 AM

first off when looking at the crank is it aluminum buildup from the rod or do you have big gouges in the surface , most of these small engine cranks can be repaired at home without to much difficulty 9 out of ten times a good cleaning of the crank and a little emory cloth and even cranks with a minor gouge can be used really what we need to start with is a picture of the crank , if it is workable you'll need to start cleaning the crank of all the aluminum with muratic acid (see safety precautions when doing this) eye protection and such but it will remove all of the aluminum from the crank and then from that point check it for size and then emory cloth to polish it. you may find the crank cleaned is still in good shape and within spec , with the aluminum rods that these engines have the dont normally damage the crank I know many people including myself have used this method , and to this day i have not had a rebuild faliure due to this problem

Thayes8160 · 12-13-2012, 06:17 PM

Quote:

Originally Posted by nobuckbuild

first off when looking at the crank is it aluminum buildup from the rod or do you have big gouges in the surface , most of these small engine cranks can be repaired at home without to much difficulty 9 out of ten times a good cleaning of the crank and a little emory cloth and even cranks with a minor gouge can be used really what we need to start with is a picture of the crank , if it is workable you'll need to start cleaning the crank of all the aluminum with muratic acid (see safety precautions when doing this) eye protection and such but it will remove all of the aluminum from the crank and then from that point check it for size and then emory cloth to polish it. you may find the crank cleaned is still in good shape and within spec , with the aluminum rods that these engines have the dont normally damage the crank I know many people including myself have used this method , and to this day i have not had a rebuild faliure due to this problem

Sorry haven't gotten back on guys stuff got crazy lol but I will post a picture in a little when I'm off work thanks for the info... There's no deep gouges just rough surface

Thayes8160 · 12-13-2012, 07:28 PM

Here are some pics

Thayes8160 · 12-13-2012, 07:30 PM

Thayes8160 · 12-13-2012, 07:32 PM

nobuckbuild · 12-13-2012, 09:00 PM

that looks very useable to me clean up that crank with some crocus cloth or emory cloth and get a replacement rod and gasket set and put it all back together just lube it up and check for binding in the rotating assembly if it binds you have not cleaned the crank enough or may need to file the rod sides a little but really i would just clean up that crank and put it back together there it looks very workable if you have a micrometer you can measure it but really its more of a feel thing when you put the crank and pistons in the block you'll be able to feel it, when you have a ratchet turning over the crank it should be smooth with the cylinders and parts assembled with oil. if you do find a hard spot take one rod cap off and see if the engine turns easier and clean and file as needed and repeat until you have a smooth turning rotating assembly , the way that rod looks broken i would no be suprised if takes more than a try or two to get it where you like it with the rods and crank properly torqued

12-09-2012, 12:58 PM	#1
Thayes8160 Not Yet Wild Join Date: Dec 2012 Posts: 18	99 txt help Hey guys new guy here lol but i recently got a free txt cart that wasnt running. after i got the motor torn down i found that it had broken a rod. im going to order a rebuild kit but i need to have the crank turned do to it getting pretty rough when the rod broke. my question is, where can i get this done? im in southern california. my next question is when it gets turned do i have to get a different size connecting rod? thanks in advance guys
Thayes8160 Not Yet Wild Join Date: Dec 2012 Posts: 18

12-09-2012, 02:35 PM	#2
kyerik Gone Wild Join Date: Aug 2012 Location: South central IL Posts: 287	Re: 99 txt help An automotive machine shop can machine the crankshaft and get it smooth but you will need either undersized bearing inserts or a new smaller rod. Make sure you can find a rod or smaller bearing insert before paying to get the crankshaft machined. It may be cheaper to just buy a generic "clone" 4 cycle engine and install it.

12-09-2012, 02:46 PM	#3
Thayes8160 Not Yet Wild Join Date: Dec 2012 Posts: 18	Re: 99 txt help anyone know where i can find bearing inserts like your talking about?
Thayes8160 Not Yet Wild Join Date: Dec 2012 Posts: 18

12-10-2012, 08:46 AM	#4
kyerik Gone Wild Join Date: Aug 2012 Location: South central IL Posts: 287	Re: 99 txt help For the record, I don't know if inserts are even available for those rods. Is there currently an insert type bearing in there now?

12-10-2012, 09:20 AM	#5
nobuckbuild Gone Wild Join Date: Mar 2012 Location: CENTRAL PENNSYLVANIA Posts: 1,466	Re: 99 txt help first off when looking at the crank is it aluminum buildup from the rod or do you have big gouges in the surface , most of these small engine cranks can be repaired at home without to much difficulty 9 out of ten times a good cleaning of the crank and a little emory cloth and even cranks with a minor gouge can be used really what we need to start with is a picture of the crank , if it is workable you'll need to start cleaning the crank of all the aluminum with muratic acid (see safety precautions when doing this) eye protection and such but it will remove all of the aluminum from the crank and then from that point check it for size and then emory cloth to polish it. you may find the crank cleaned is still in good shape and within spec , with the aluminum rods that these engines have the dont normally damage the crank I know many people including myself have used this method , and to this day i have not had a rebuild faliure due to this problem

Today
BGW	Sponsored Links __________________ This advertising will not be shown in this way to registered members. Register your free account today and become a member on Buggies Gone Wild Golf Cart Forum

12-13-2012, 09:00 PM	#10
nobuckbuild Gone Wild Join Date: Mar 2012 Location: CENTRAL PENNSYLVANIA Posts: 1,466	Re: 99 txt help that looks very useable to me clean up that crank with some crocus cloth or emory cloth and get a replacement rod and gasket set and put it all back together just lube it up and check for binding in the rotating assembly if it binds you have not cleaned the crank enough or may need to file the rod sides a little but really i would just clean up that crank and put it back together there it looks very workable if you have a micrometer you can measure it but really its more of a feel thing when you put the crank and pistons in the block you'll be able to feel it, when you have a ratchet turning over the crank it should be smooth with the cylinders and parts assembled with oil. if you do find a hard spot take one rod cap off and see if the engine turns easier and clean and file as needed and repeat until you have a smooth turning rotating assembly , the way that rod looks broken i would no be suprised if takes more than a try or two to get it where you like it with the rods and crank properly torqued