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Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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06-05-2013, 03:01 PM | #1 |
Not Yet Wild
Join Date: Aug 2011
Posts: 14
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Yamaha engine identification and specs
I've rebuilt several ezgo engines but I recently got conned into rebuilding a Yamaha engine. I believe the cart is a 1993 and the engine is a G5. I'm having trouble finding any information on this engine. The engine is tore down and is going to need to be bored out. I need to know all the specs for this engine such as std and oversize piston size so I know what to bore the cylinder to. crank journal specs. etc... Ive looked for a manual online and searched this forum but haven't found what im looking for. Also are a lot of these Yamaha engines the same on the lower end but have different bore/piston creating a different G series.
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06-05-2013, 04:55 PM | #2 |
Gone Wild
Join Date: Jul 2012
Location: Pigeon Forge TN
Posts: 209
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Re: Yamaha engine identification and specs
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06-05-2013, 08:52 PM | #3 |
Not Yet Wild
Join Date: Aug 2011
Posts: 14
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Re: Yamaha engine identification and specs
Thanks, but I've already been there. That's not really helping me. There's no service manual there to view unless I'm overlooking it and the parts manual doesn't give any specs.
First and foremost I need to make sure what motor I have. There is a J38 and a JG5 stamped on the motor. Anyone have any idea what engine I have. |
06-05-2013, 08:58 PM | #4 |
Gone Wild
Join Date: Oct 2010
Posts: 6,730
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Re: Yamaha engine identification and specs
You should have the same 285cc motor that is used in the G2 and G9.
Does the engine look like this? |
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