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08-12-2020, 10:01 PM | #31 | |
Vintage tech
Join Date: Sep 2009
Location: South
Posts: 3,210
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Re: Robbin EH29C broken rod - Do I need a full Rebuild kit?
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08-13-2020, 07:31 PM | #32 |
Gone Wild
Join Date: Jul 2020
Location: NC
Posts: 770
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Re: Robbin EH29C broken rod - Do I need a full Rebuild kit?
Well, it looks like an engine. Unfortunately, my purchasing department failed to order the oil filter, air filter, and new plugs. Gotta wait till Saturday now. Anticipation until then I guess.
Hopefully, this carb isn't too far off. I suck at adjusting carbs. Unfortunately, it looks new, pulled the bowl, and appears to never have had gas in it. Should be a good thing, but curious as to why. I know the previous owner and I both tried to turn it over...there is a new fuel pump too, so it should have drawn fuel into the carb. Will find out Saturday. |
08-15-2020, 07:00 PM | #33 |
Gone Wild
Join Date: Jul 2020
Location: NC
Posts: 770
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Re: Robbin EH29C broken rod - Do I need a full Rebuild kit?
IT'S ALIVE!!!! Very happy with getting it working...I would say it started as soon as I got gas to the carb....but I had a scare first. Had it in the cart, turning over fine or so it seemed. I couldn't get any pressure from the crank to draw fuel...put a compression tester on, 0 psi. Looked at the piston...no movement. AAAHHHH!!! Dumb move on my part. I got interrupted while pitting the clutch on...didn't tighten the bolt. Tightened it up, and fired right up. 15 mph on the flat...so sounds about right for a stocker TXT. It will end up getting more motor in the near future. Thanks for the help and discussion along the way.
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08-17-2020, 03:50 PM | #34 |
Gone Wild
Join Date: Jul 2020
Location: NC
Posts: 770
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Re: Robbin EH29C broken rod - Do I need a full Rebuild kit?
Well, it appears that it seized up. Not sure what happened...started acting like it had no power...then just quit. Pulled the plugs, pistons are in the same position, so not likely a broken rod. Wasn't running fast when it quit...I'm guessing I wasn't getting adequate oil to the rod journals. I did prime the crank per the manual and oil came out of both journal holes. Wondering if maybe my pump wasn't working. I don't have a low oil pressure light hooked up to the sensor...just an empty wire. Guess I need to find one and get that hooked up. Time to tear it apart again...Ugh! Ready to just do the v-twin upgrade and be done with it.
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08-17-2020, 08:46 PM | #35 |
Vintage tech
Join Date: Sep 2009
Location: South
Posts: 3,210
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Re: Robbin EH29C broken rod - Do I need a full Rebuild kit?
Sorry for all your trouble but I got to say its worth installing an oil light when you rebuild one of these engines. Maybe even a manual gauge. Hope you don't have lots of damage.
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08-17-2020, 09:18 PM | #36 |
Gone Wild
Join Date: Jul 2020
Location: NC
Posts: 770
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Re: Robbin EH29C broken rod - Do I need a full Rebuild kit?
Thanks Trig...hopefully get to take it apart tomorrow...should go pretty easy on the disassembly as It has been done so very recently.
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08-18-2020, 03:59 PM | #37 |
Gone Wild
Join Date: Jul 2020
Location: NC
Posts: 770
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Re: Robbin EH29C broken rod - Do I need a full Rebuild kit?
Well, apart she is. Looks like the rod journal wasn't getting oil. Other journal was wet, cylinder walls were wet. It is the far piston from the pump...I know the passage in the crank was clear...just put some oil in the crank port by the fan, tilt up the crank and oil flows from the affected journal hole. How do I know if my oil pump is working? The pump parts appear to be in good shape.
Not loose, and no weird visible defects. I would think the pump has to work as cylinder walls and other crank journal were wet. Crazy part is that it isn't the same journal that was affected the first time. Obviously the first time was a dropped bolt, but that journal seems to be OK after the repair. Why would the other journal fail this time? Any thoughts? Still had some evidence of assembly lube on the crank. Would that affect oil getting onto the journal? I think I used that to lube the rod to crank connections. |
08-18-2020, 09:17 PM | #38 | |
Vintage tech
Join Date: Sep 2009
Location: South
Posts: 3,210
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Re: Robbin EH29C broken rod - Do I need a full Rebuild kit?
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