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Unread 10-28-2008, 10:21 PM   #1
Getting Wild
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Default EZGO Valve Seat Cutter

Hello, I'm new to this forum. Thanks for doing this!

I help out my neighbors with their mechanical needs on their golf carts. It seems that there is a lot of carts needing valves as they are past the adjustment stages. I have been taking the heads to a machine shop and they cut the valve seat and lap the valves.

I see EZGO has a valve seat cutter that would probably save me some time running to the machine shop but the are over $300. Anyone know where I can get one at a good price or another way to accomplish this without a cutter?
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Unread 10-29-2008, 05:50 AM   #2
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Default Re: EZGO Valve Seat Cutter

I have never recut the seats. If I have to replace the valves I just lap them in with one of the hand lappers. I have both the turn the crank & the plain stick with the suction cup. The plain stick usually works fine.

When I am done I pour some gas in the ports & if it doesn't leak past the valves I'am good to go.

The valves seem to be very soft & the lip gets very sharp from wear after being used for awhile.

The rocker arms also wear very fast & I dress them up on a belt sander.

GeneB
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Unread 10-29-2008, 07:00 AM   #3
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Default Re: EZGO Valve Seat Cutter

I have wondered if I needed to go beyond the lapping of the valves. I'll try that and see how it works. Thanks for the information.
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Unread 10-29-2008, 06:46 PM   #4
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Default Re: EZGO Valve Seat Cutter


i have about 400.00 in my setup, but it will do a lot of different heads.
300 for one cutter sounds high to me, when i do ez go heads i replace the valve guides so i need to use a seat cutter every time.
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Unread 10-29-2008, 06:53 PM   #5
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Default Re: EZGO Valve Seat Cutter

I tried lapping the valves and then I replaced the springs and I still get a drip through the exhaust valves. I think I'd better find the machine shop operator and have him cut these seats. Sure wish I had a valve seat cutter. This running in circles makes this job much more time consuming.
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Unread 10-30-2008, 05:53 PM   #6
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Default Re: EZGO Valve Seat Cutter

Welcome to the forum tykuhn........................
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Unread 06-10-2010, 01:20 PM   #7
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Default Re: EZGO Valve Seat Cutter

I found a guy that will grind the seats and lap in the new valves for $20. Boy does that make a difference!
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Unread 06-10-2010, 09:00 PM   #8
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Default Re: EZGO Valve Seat Cutter

Quote:
Originally Posted by 56servi View Post
I have never recut the seats. If I have to replace the valves I just lap them in with one of the hand lappers. I have both the turn the crank & the plain stick with the suction cup. The plain stick usually works fine.

When I am done I pour some gas in the ports & if it doesn't leak past the valves I'am good to go.

The valves seem to be very soft & the lip gets very sharp from wear after being used for awhile.

The rocker arms also wear very fast & I dress them up on a belt sander.

GeneB
Try this.. I use a short piece of vacuum line on the tip of the valve and slide a roll pin in the other end. Then I hook my cordless drill to it and pull the trigger. It makes quick work out of valve lappin...
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Unread 06-10-2010, 09:11 PM   #9
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Default Re: EZGO Valve Seat Cutter

Use pattern dye on the seat and valve so you can see exactly where they mesh after the grinding Hand grind works good for me
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Unread 06-10-2010, 09:56 PM   #10
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Default Re: EZGO Valve Seat Cutter

Neway makes a kit for small engines. You shop Ebay? This is just one of them.
Make sure you check your seat angle.

http://cgi.ebay.com/ebaymotors/Neway...Q5fCarQ5fParts
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