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| Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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11-29-2013, 08:21 PM
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#21 |
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friends call me Boke
 Join Date: Apr 2008
Location: Smithfield, North Carolina
Posts: 7,772
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Re: re-powering the G9
Even with the slight clutch issues the cart is running great. My electric cart will run 26-27 and the Yamaha will walk away from it.
 Rode it around with a big ol' grin on my face around my friends neighborhood till it ran outta gas, the same gas that was in the tank since CAW.  I know that gas was atleast 4 months old. Can't wait to put some fresh gas in it tomorrow. |
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11-29-2013, 08:21 PM
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#22 |
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G8 Specialist
Join Date: Jun 2009
Location: Phoenix
Posts: 7,799
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Re: re-powering the G9
Exhaust looks good. Not so good for the sheave tho! Looks like a new one is coming soon! Ramp shoes as well!!
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11-29-2013, 08:30 PM
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#23 |
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friends call me Boke
Join Date: Apr 2008
Location: Smithfield, North Carolina
Posts: 7,772
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Re: re-powering the G9
That's what I was talking to smallblock about. New sheave, ramp shoes and maybe a umax spring. It has the red plowmans spring in it now. Smallblock said he's not a big fan of the stiff springs.
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11-29-2013, 11:05 PM
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#24 |
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G8 Specialist
Join Date: Jun 2009
Location: Phoenix
Posts: 7,799
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Re: re-powering the G9
I have the umax spring. Can't stop it! Climb 12 rocks with it!!
Do have a Plowmans Kevlar belt tho. |
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11-30-2013, 02:03 AM
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#25 |
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friends call me Boke
Join Date: Apr 2008
Location: Smithfield, North Carolina
Posts: 7,772
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Re: re-powering the G9
I have the belt also. Not sure of the number on it but I'll check and post later.
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11-30-2013, 07:31 AM
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#26 |
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friends call me Boke
Join Date: Apr 2008
Location: Smithfield, North Carolina
Posts: 7,772
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Re: re-powering the G9
Would I benefit from running higher octane gas? I gotta pick some up today for the cart and was wondering if medium or premium grade would perform better in the cart.
I do have an aluminum adjustable flywheel on the new motor with timing advanced about 8 degrees. It also has a 390cc head on it for more compression. |
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11-30-2013, 08:42 AM
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#27 | |
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Younger Than Dirt
Join Date: Aug 2007
Location: North Myrtle Beach SC
Posts: 2,047
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Re: re-powering the G9
Quote:
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11-30-2013, 08:44 AM
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#28 |
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friends call me Boke
Join Date: Apr 2008
Location: Smithfield, North Carolina
Posts: 7,772
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Re: re-powering the G9
Oh, my bad. Thanks.
That motor is running awesome Dan. |
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11-30-2013, 08:57 AM
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#29 |
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G8 Specialist
Join Date: Jun 2009
Location: Phoenix
Posts: 7,799
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Re: re-powering the G9
If I remember right, anything 9 to 1 compression and down, won't notice anything. 9 and a half and up you will.
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11-30-2013, 09:14 AM
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#30 |
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friends call me Boke
Join Date: Apr 2008
Location: Smithfield, North Carolina
Posts: 7,772
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Re: re-powering the G9
I'm pretty sure I'm above 9 1/2. Don't you think with timing advanced to 8 and a 340cc head on a 420cc motor? I'll try some premium anyway.
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