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Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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09-27-2018, 09:33 PM | #1 |
Not Yet Wild
Join Date: Jul 2018
Location: Spiro, OK
Posts: 38
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Piston on g1
Hey guys I finally got to pull the cylinder. I pulled the piston and cleaned the top and it had a 75 stamped on it. Does that necessarily mean that’s the oversized spec on it? Thanks again
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09-28-2018, 01:30 AM | #2 |
Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: Piston on g1
I haven't seen any numbers on the top of a stock "never been bored" sized piston. And 75 is the biggest piston offered. Bummer
I don't know about jugs being available for the '82 |
09-28-2018, 05:14 AM | #3 | |
Gone Wild
Join Date: Oct 2017
Location: Harrisburg, PA
Posts: 380
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Re: Piston on g1
Quote:
I thought there were .25, .5, .75, 1.0mm oversized sizes? Sent from my iPhone using Tapatalk |
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09-28-2018, 08:38 AM | #4 |
Gone Wild
Join Date: Jan 2017
Location: venice
Posts: 1,805
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Re: Piston on g1
I think your next step is to have a machine shop check the cylinder to see if it is serviceable.
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09-28-2018, 08:57 AM | #5 |
Not Yet Wild
Join Date: Jul 2018
Location: Spiro, OK
Posts: 38
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Re: Piston on g1
Well machine shop I’ll go then. If I get this fixed I’m good to roll I’m just getting anxious.
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09-28-2018, 10:30 AM | #6 |
Gone Wild
Join Date: Oct 2017
Location: Harrisburg, PA
Posts: 380
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Re: Piston on g1
Do you have a 1982? If not, you can get a cylinder and piston kit.
Sent from my iPhone using Tapatalk |
09-28-2018, 10:40 AM | #7 |
Not Yet Wild
Join Date: Jul 2018
Location: Spiro, OK
Posts: 38
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Re: Piston on g1
Yeah it’s an 82. So difficult to deal with lol
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09-28-2018, 10:43 AM | #8 |
Gone Wild
Join Date: Oct 2017
Location: Harrisburg, PA
Posts: 380
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Re: Piston on g1
Sorry to hear that. I've heard of people trying to convert their engine with non-82 parts but don't know whether that was successful so the machine shop route is gone be the best for you to have to buy the least amount of stuff. Hopefully just a hone and new rings unless the piston is destroyed. Sent from my iPhone using Tapatalk |
09-28-2018, 10:47 AM | #9 |
Not Yet Wild
Join Date: Jul 2018
Location: Spiro, OK
Posts: 38
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Re: Piston on g1
Yeah the shop I contacted said they don’t handle those things, so now I’m really in a spot.
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09-28-2018, 11:21 AM | #10 |
Gone Wild
Join Date: Jun 2012
Location: Spicewood, TX
Posts: 219
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Re: Piston on g1
I don't know if this will help, but my previous (old) thread here:
http://www.buggiesgonewild.com/gas-y...1-experts.html was about a '86+ G1. I know the unusual '82 models differ, but the page below from the repair manual gives the dimensions. If the '82 used the 215 cc cylinder and piston, you may be able to determine if the cylinder has already been bored/honed. As far as getting a machine shop to check it out, I found a small machine shop (eager for work), and he was able to do the small job for a decent price. You might check with local small engine shops or motorcycle shops who work on this size engines. HTH, Ogre |
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