MVVS 26 rod bearing ate back plate X2  
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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Engine Manufacturers Direct Support Forum >> MVVS Support >> MVVS 26 rod bearing ate back plate X2
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MVVS 26 rod bearing ate back plate X2 - 6/18/2006 1:51:43 AM   
clm


 

Posts: 67
Joined: 7/8/2004
From: Chesapeake, VA, USA
Status: offline 		Just had my second MVVS 26 gas engine rod bearing eat the back plate. The rod bearing bulges causing it to rub against the back plate, chafting the aluminum. Aluminum flakes go throughout the engine destroying it.
1st engine I'm told was due to not using fully synthetic oil @ 32:1 ratio.
2nd engine just received in March this year and just finished the second gallon of fuel using Mobile Racing 2T oil at 30:1 ratio.
What caused the second engine to go?
Is this a common problem with the MVVS engines?
Where can I get warranty work done on the second engine?

I really like the MVVS 26 engine until the second gallon of fuel then I just get sick when they eat themselves.

please advise
clm

PS picture shows grove in back plate. If you look closely you can see the rod bearing bulge on the far left side (9 o'clock position) and aluminum shaving eveywhere.

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< Message edited by clm -- 6/18/2006 2:00:32 AM >
       Post #: 1

RE: MVVS 26 rod bearing ate back plate X2 - 6/18/2006 9:00:56 AM   
DarZeelon



Posts: 7249
Joined: 4/9/2003
From: Rosh-Ha'Ayin, ISRAEL
Status: offline 		Curtis,


I have not seen this happen on any MVVS gas engine.
Let's see if Pe can add anything.

Who did you buy this engine from?

_____________________________

Dar Zeelon - ISRAEL - ddzeelon@gmail.com
MVVS - Jett - Nelson - Bolly - Mejzlik

(in reply to clm)
       Post #: 2

RE: MVVS 26 rod bearing ate back plate X2 - 6/18/2006 12:04:50 PM   
clm


 

Posts: 67
Joined: 7/8/2004
From: Chesapeake, VA, USA
Status: offline 		I purchased both engines from PE.
Using a Mejzlik 18-8 prop @ 7900 to 8100 prm with tuned pipe.

Its the bulged bearing that appears to be milling the back plate.


< Message edited by clm -- 6/19/2006 1:48:00 AM >

(in reply to cyprusjets)
       Post #: 3

RE: MVVS 26 rod bearing ate back plate X2 - 6/19/2006 12:44:50 PM   
pe reivers



Posts: 2991
Joined: 1/23/2002
From: Arcen, , NETHERLANDS
Status: offline 		Curtis,
I already sent you mail with instructions. Please do send me the information I asked for.

_____________________________

Pe, Dealer for MVVS, MTW and Mejzlik; www.mvvs.nl
There is sanctuary in analisys.

(in reply to clm)
       Post #: 4

RE: MVVS 26 rod bearing ate back plate X2 - 12/2/2007 10:31:13 AM   
Garikoitz


 

Posts: 27
Joined: 12/4/2003
From: Bilbao Bizkaia, SPAIN
Status: offline 		I had EXACTLY the same problem with my engine one year ago. I phoned the shop where i bougth it (in warranty time) and they told me that i had to SEND IT to "Checoslovaquia" the country where they buid them. I still dont know what to do with that problem. Please if you know how can i repair it send me an e-mail to g_errasti(a)yahoo.es

Thank you very much

Garikoitz.

Sorry for my poor english.

(in reply to pe reivers)
       Post #: 5

RE: MVVS 26 rod bearing ate back plate X2 - 12/2/2007 2:11:43 PM   
pe reivers



Posts: 2991
Joined: 1/23/2002
From: Arcen, , NETHERLANDS
Status: offline 		For warranty work, You indeed are best off sending it to the factory directly.
I have sent you a mail with all details for shipping.

_____________________________

Pe, Dealer for MVVS, MTW and Mejzlik; www.mvvs.nl
There is sanctuary in analisys.

(in reply to Garikoitz)
       Post #: 6

RE: MVVS 26 rod bearing ate back plate X2 - 12/3/2007 2:36:14 PM   
Garikoitz


 

Posts: 27
Joined: 12/4/2003
From: Bilbao Bizkaia, SPAIN
Status: offline 		Thanks,

I've just send it to the given address.

Garikoitz

(in reply to pe reivers)
       Post #: 7

RE: MVVS 26 rod bearing ate back plate X2 - 12/24/2007 1:22:45 AM   
chadderbox


 

Posts: 90
Joined: 1/22/2006
From: rice lake, WI, USA
Status: offline 		I have had the same problem too. I had to rebuild mine twice now. My oil is mixed corectly with mobil syn.. I e-mailed MVVS and they said it was a cooling issue. I have done every thing I can to this thing with coooling baffles etc.... HELP!!!!!!!!!!

< Message edited by chadderbox -- 12/24/2007 2:45:19 AM >

(in reply to clm)
       Post #: 8

RE: MVVS 26 rod bearing ate back plate X2 - 12/24/2007 3:15:33 PM   
pe reivers



Posts: 2991
Joined: 1/23/2002
From: Arcen, , NETHERLANDS
Status: offline 		Can you post pictures of your set-up?
The engines I repaired indeed all had cooling issues. (lack of cooling, or prop too large)
The piston coating prevents the engine from sagging, so you get no warning of engine distress until too late.

_____________________________

Pe, Dealer for MVVS, MTW and Mejzlik; www.mvvs.nl
There is sanctuary in analisys.

(in reply to chadderbox)
       Post #: 9

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