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| 25 GDLT RPM issue https://www.mudmotortalk.com/mmt_v2/viewtopic.php?f=6&t=64331 |
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| Author: | DixieDawg [ Wed Oct 28, 2015 5:34 pm ] |
| Post subject: | 25 GDLT RPM issue |
I have a kohler 25 GDLT. I'm turning just over 4000 rpm in water but only just under 3000 in water. The prop is good and I have checked the timing. Motor runs smooth and fires on both cylinders. What is going on with this thing? Any help would be appreciated. |
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| Author: | Will C [ Fri Oct 30, 2015 8:01 am ] |
| Post subject: | Re: 25 GDLT RPM issue |
Lean from dirty carb, in need of valve job, dirty ail filter. Aside from the easy stuff u might get a leakdown test done. Also ive had to replace several flat cams on these motors. Pull valve covers and check rockers for full lift |
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| Author: | DixieDawg [ Fri Oct 30, 2015 12:51 pm ] |
| Post subject: | Re: 25 GDLT RPM issue |
Thanks for the suggestions. |
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| Author: | aknative [ Fri Oct 30, 2015 3:07 pm ] |
| Post subject: | Re: 25 GDLT RPM issue |
If you eliminate those issue, maybe it's a warped upper bearing on the shaft. I had similar issues with my 25 GD LT and couldn't ever get it right, but there was nothing wrong with the engine. I sold it to a mechanic who must have known what was what, next time I bump into him I'll ask him how it's working. |
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| Author: | Bayport [ Tue Nov 03, 2015 9:39 am ] |
| Post subject: | Re: 25 GDLT RPM issue |
See my thread too for similar discussions viewtopic.php?f=3&t=64343 |
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| Author: | Will C [ Tue Nov 03, 2015 11:12 pm ] |
| Post subject: | Re: 25 GDLT RPM issue |
Prop? |
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