How to know if your rear end has a large or small bearing for high speed gears

Xtreme Cartz · 07-12-2011, 10:49 PM

I think I want 8:1 gears in my vtwin cart. I have no idea what year the rear end is. Is there anyway to tell from the outside of the diff what bearing it has?

Xtreme Cartz · 07-13-2011, 09:35 AM

The serial number on the rear end is 97G115 is this a 1997 rear end?

blake80 · 07-13-2011, 10:11 AM

call tom at cpp. he is the MAN when it comes to that stuff

G2Rebel · 07-13-2011, 11:35 PM

Is this the Yamaha rearend you got from me? If so it's a 91 rearend.

Xtreme Cartz · 07-14-2011, 09:23 AM

Nope this one is out of an EZGO. I'm fairly certain the tag on the rear end indicates a 97 but my luck it wouldn't mean that at all.

speedfreak · 07-22-2011, 01:32 AM

I have the same question. I have the bearings pulled just waiting to hear where to measure the ring gear? What size is your motor and why did you settle on 8's?

I have 24 hp but I am 90 percent road and 10 percent pulling stuff.

speedfreak · 07-26-2011, 12:43 AM

Got an answer...

Here is a picture where to measure and what the size is for an ezgo. The 1.378 is for the 1998 and up bearing size and the 1.1.575 is for the older than 1998 bearing. Here is a picture of what and where to measure. This should solve it all.

07-12-2011, 10:49 PM	#1
Xtreme Cartz The Fabricator Join Date: Dec 2006 Posts: 2,016	How to know if your rear end has a large or small bearing for high speed gears I think I want 8:1 gears in my vtwin cart. I have no idea what year the rear end is. Is there anyway to tell from the outside of the diff what bearing it has?

07-13-2011, 09:35 AM	#2
Xtreme Cartz The Fabricator Join Date: Dec 2006 Posts: 2,016	Re: How to know if your rear end has a large or small bearing for high speed gears The serial number on the rear end is 97G115 is this a 1997 rear end?

07-13-2011, 10:11 AM	#3
blake80 REAL MEN GET EM DIRTY Join Date: Jun 2009 Location: rincon , ga. Posts: 3,646	Re: How to know if your rear end has a large or small bearing for high speed gears call tom at cpp. he is the MAN when it comes to that stuff

07-13-2011, 11:35 PM	#4
G2Rebel Gone Wild Join Date: Apr 2010 Location: Interlachen,Fl Posts: 326	Re: How to know if your rear end has a large or small bearing for high speed gears Is this the Yamaha rearend you got from me? If so it's a 91 rearend.

07-14-2011, 09:23 AM	#5
Xtreme Cartz The Fabricator Join Date: Dec 2006 Posts: 2,016	Re: How to know if your rear end has a large or small bearing for high speed gears Nope this one is out of an EZGO. I'm fairly certain the tag on the rear end indicates a 97 but my luck it wouldn't mean that at all.

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07-22-2011, 01:32 AM	#6
speedfreak Getting Wild Join Date: Apr 2009 Location: So. IL. Posts: 85	Re: How to know if your rear end has a large or small bearing for high speed gears I have the same question. I have the bearings pulled just waiting to hear where to measure the ring gear? What size is your motor and why did you settle on 8's? I have 24 hp but I am 90 percent road and 10 percent pulling stuff.

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