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06-05-2012, 05:13 PM
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#1 |
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Not Yet Wild
Join Date: Apr 2012
Posts: 66
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98 4cycle problems
Hey guys i just bought a used cart cheap because there is a motor issue,PTO side has 50 psi and MAG side has 105 psi.I thought maybe a valve stuck or broken spring but everything looks good.I was wondering if there are any known problems with these motors..i'm thinkin the rings are no good but i will have to tearn it down to see more...thxs
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06-05-2012, 05:26 PM
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#2 |
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Gone Wild
Join Date: Jun 2008
Location: Raytown, Missouri
Posts: 894
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Re: 98 4cycle problems
Hi 4 stroke did you adjust the valves, if they arn't set right it will cause low compression and won't run right, Link on adjusting below, Good Luck
http://www.buggiesgonewild.com/ezgo-...djustment.html |
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06-06-2012, 07:02 AM
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#3 |
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Not Yet Wild
Join Date: Apr 2012
Posts: 66
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Re: 98 4cycle problems
I adjusted the valves and cart runs good after and the compression went right back up...thxs again
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06-06-2012, 07:11 AM
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#4 |
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Gone Wild
Join Date: Jun 2008
Location: Raytown, Missouri
Posts: 894
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Re: 98 4cycle problems
Good Deal Have Fun
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06-28-2012, 03:00 PM
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#5 |
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Not Yet Wild
Join Date: Apr 2012
Posts: 66
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Re: 98 4cycle problems
Well this cart was running good till yesturday,it just died right out and won't run at all.I did a compression test and i get 50psi in both cylinders,now could this be a valve,cam or timeing issue?..Or should i look at a top end rebuild..thxs
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06-29-2012, 07:09 AM
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#6 |
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Not Yet Wild
Join Date: Apr 2012
Posts: 66
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Re: 98 4cycle problems
I was also wondering when setting the valves should you be on compression stroke?..The thread here just says have lobe down then adjust,is the lobe 90* down when adjusting...thxs
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06-29-2012, 07:38 AM
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#7 |
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Gone Wild
Join Date: Jun 2008
Location: Raytown, Missouri
Posts: 894
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Re: 98 4cycle problems
The lobe should be down, after adjusting all the valves recheck, and make sure to tighten nuts
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06-30-2012, 09:15 AM
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#8 |
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Not Yet Wild
Join Date: Apr 2012
Posts: 66
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Re: 98 4cycle problems
Well i rechecked the valves twice and still can't get anymore than 50 psi in both cylinders,i guess this motor needs some new rings...
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07-01-2012, 10:05 AM
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#9 |
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Not Yet Wild
Join Date: Apr 2012
Posts: 66
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Re: 98 4cycle problems
Are there any know issues with these motors,i am gona take it out of cart today and see what it needs for rebuild.It should just need rings and a good valve cleaning but are there things to look for with the valves...thxs
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07-01-2012, 11:15 AM
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#10 |
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Gone Wild
Join Date: Jul 2010
Location: s/w pa
Posts: 364
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Re: 98 4cycle problems
the valves beat them up into the seats it needs new hardened valves that is a known issue.
rusty |
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