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Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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08-04-2011, 07:01 PM | #1 |
Not Yet Wild
Join Date: Apr 2009
Posts: 5
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g1 blowing crank seal out
I turned my g1 into a premix motor and did away with the oil pump. The only problem is the oil pump holds the crank seal in and I lost the oil pump bolts that hold it into the engine case. I need to know the size and pitch of those bolts.
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08-05-2011, 06:13 PM | #2 |
Gone Wild
Join Date: Jun 2009
Location: Heluvabump,VT
Posts: 623
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Re: g1 blowing crank seal out
In the pic below, there is one bolt 8mm x 1.25 thread and three bolts 6mm x 1.0 thread. Length will depend on what you are going to use for a seal retainer. The phillips head screw just holds the halves of the oil pump drive gearcase together. Thanks for the pic, Calvin.
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08-05-2011, 06:32 PM | #3 |
Not Yet Wild
Join Date: Jul 2011
Posts: 8
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Re: g1 blowing crank seal out
GMG 74, do you know where the link is for rebuilding the G 1 engine? Thanks
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08-05-2011, 08:03 PM | #4 |
Gone Wild
Join Date: Jun 2009
Location: Heluvabump,VT
Posts: 623
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Re: g1 blowing crank seal out
I am not aware of a comprehensive thread on rebuilding the G1 engine. There are a number of threads dealing with the various steps in rebuilding it. Use the search button to find them. If you are planning on a complete rebuild, I strongly suggest you purchase a factory shop repair manual to guide you. One can be purchased direct from Yamaha:
http://store.kencook.com/yml/index.cfm?event=consumer One can also be purchased here: http://www.manualuniverse.com/ Click on catalogue and search for Yamaha G1..This is a scan of the 1983-89 factory repair manual in .pdf. Some of the images are dark, but it is useable. You get what you pay for. |
08-05-2011, 10:06 PM | #5 |
Not Yet Wild
Join Date: Jul 2011
Posts: 8
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Re: g1 blowing crank seal out
Thanks for the info!
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08-07-2011, 08:21 AM | #6 |
Not Yet Wild
Join Date: Apr 2009
Posts: 5
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Re: g1 blowing crank seal out
GMB74 thanks for the info I really appreciate the it.
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