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Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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08-12-2018, 08:40 PM | #11 |
Not Yet Wild
Join Date: Jun 2014
Posts: 55
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Re: 84 Yamaha G1 ( calling all pro’s )
Guys I really appreciate you chiming in here . I will do another check on the reeds ,and that the piston is installed correctly . Aside from those , is there anything else that I might want to look at ?
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08-12-2018, 08:41 PM | #12 |
Gone Wild
Join Date: Oct 2017
Location: Harrisburg, PA
Posts: 380
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Re: 84 Yamaha G1 ( calling all pro’s )
Is your choke functioning properly?
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08-12-2018, 08:44 PM | #13 |
Not Yet Wild
Join Date: Jun 2014
Posts: 55
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Re: 84 Yamaha G1 ( calling all pro’s )
It’s closing all the way and I can hear the difference when I choke it while turning over . So, I believe it is , yes .
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08-12-2018, 08:54 PM | #14 |
Gone Wild
Join Date: Oct 2017
Location: Harrisburg, PA
Posts: 380
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Re: 84 Yamaha G1 ( calling all pro’s )
Okay check for vacuum leaks maybe at the vacuum reservoir that says "Yamaha" on it or at one of the hoses on the carb for oil injection etc. Also I'm going to circle back to the carb again - if the float needle is not letting fuel in the carb bowl, or if there's a piece of dirt in the jet. Pull the carb bowl off, the gasket should be fine to reuse if it's a new carb.
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08-12-2018, 10:24 PM | #15 |
Not Yet Wild
Join Date: Jun 2014
Posts: 55
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Re: 84 Yamaha G1 ( calling all pro’s )
Thank you . I’ll check the carb as well . This has got me pulling hair . Again , thanks for helping me . It’s very welcomed .
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08-13-2018, 09:35 AM | #16 |
Getting Wild
Join Date: Aug 2018
Posts: 146
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Re: 84 Yamaha G1 ( calling all pro’s )
i'm going to x2 the carb. Pull everything apart, spray cleaner through, then air them out and put it all back together. make sure your screws are set properly (1-1.5 turns out on low speed and 2 turns from contact on idle)
The only other thing that i'm curious about is the timing/spark. Could it maybe be that when you did the fan side crank seal the timing plate went in incorrectly? So its running when you pour fuel into the cyl because a spark at any point makes combustion. But when cranking it's sparking at the wrong time? I might be off base being i'm definitely not a pro with these engines. But I know with my Yammie 2-stroke outboards the timing being off can play hell with them running. |
08-13-2018, 03:49 PM | #17 |
Gone Wild
Join Date: Aug 2018
Location: Down under
Posts: 180
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Re: 84 Yamaha G1 ( calling all pro’s )
I am watching this thread with interest...I have not had time to attack my old girl yet...They can be frustrating can't they!
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08-14-2018, 07:46 PM | #18 |
Gone Wild
Join Date: Jan 2017
Location: venice
Posts: 1,805
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Re: 84 Yamaha G1 ( calling all pro’s )
what does the plug look like when attempting to run it normally. Have you used a spark checking tool that is gapable?
Could it be the reeds not seating completely? |
08-15-2018, 03:03 PM | #19 | |
Gone Wild
Join Date: Jun 2014
Posts: 330
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Re: 84 Yamaha G1 ( calling all pro’s )
Quote:
esp as it runs with poured in gas I bet dry plug if the plug is wet try to heat the plug both to remove oil build up and to quickly carefully reinsert the hot plug to get it to run that works on old outboards most times but that will not work on a dry plug as that = no gas carb problem |
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08-29-2018, 01:24 PM | #20 |
Gone Wild
Join Date: Jan 2017
Location: venice
Posts: 1,805
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Re: 84 Yamaha G1 ( calling all pro’s )
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