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CrazyMotorcycleGuy
Most users ever online was 4,519, September 2, 2015 at 03:26 AM.
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I need some profesional advice please
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  (#1)
I got nuthin
 
Taty's Avatar
 
Posts: 3,639
Join Date: November 18, 2007
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I need some profesional advice please - February 6, 2011, 06:42 PM

Earlier this year I ended up making a oil/antifreeze/water concoction and figured I had blown my engine. I began to tear my bike down, and found that I had a freeze plug pop out. Thats obviously why my shit mixed. Anyways, there was fluid throught the whole engine. In the intake, plugs, seemingly everywhere.

My question is this, do I fix the freeze plug, put the shit back together after cleaning it and hope I didnt damage shit? Or do I pick up a new engine for 300 bucks?

I feel bad cause my buddy is holding onto this engine for me even though he needs it for parts. He is trying to help me while I help him. Win/Win, unless my engine is still OK. Do I write my shit off and forget it or try to fix it?

My decision needs to be made ASAP so any advice would be very much appreciated.

Here are some pics and the thread to the teardown thus far.
Thanks in advance.

Taty's winter project(repair/replace engine)
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R.I.P. Jeff Vega



1983 Honda XR80
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February 6, 2011, 07:05 PM

I'm no expert in engines, but I think you said your engine seized in your original thread. If it were me, I wouldn't bother rebuilding it just for the off chance that it'll work. For $300, I'd get a new one that you know works and save yourself some gray hair.
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#47 GODSPEED BAMBAM
 
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February 6, 2011, 07:10 PM

Take better pics and get some of the crank bearings and cams. Are there score marks that can catch a finger nail on? Also does the motor turn over by hand?


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I got nuthin
 
Taty's Avatar
 
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February 6, 2011, 07:19 PM

Quote:
Originally Posted by CantGetCaught View Post
I'm no expert in engines, but I think you said your engine seized in your original thread. If it were me, I wouldn't bother rebuilding it just for the off chance that it'll work. For $300, I'd get a new one that you know works and save yourself some gray hair.
I think it just wasnt turning over cause it was so full of fluids.

I pulled the clutch cover, and turned the nut so that the timing chain would line up correctly. I was assuming that this would not turn if the engine was locked, but Im not sure. I had no problem turning it.


R.I.P. Jeff Vega



1983 Honda XR80
1989 Honda Rebel 250
1983 Yamaha Maxim 750
1986 Honda Shadow 700
2002 Ducati Monster Dark 600
2007 Suzuki GSXR 600
2011 HD Sportster 1200 Custom
2001 Suzuki SV 650
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I got nuthin
 
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February 6, 2011, 07:22 PM

Quote:
Originally Posted by dodge131 View Post
Take better pics and get some of the crank bearings and cams. Are there score marks that can catch a finger nail on? Also does the motor turn over by hand?

I didnt notice any rough marks anywhere, at least nothing that seemed abnormal. I will get over there tomorrow and take some more pics.

As far as the engine turning, I pulled the clutch cover and threw a socket on the one bolt for the timing chain and turned it to line the line up with the notch and it turned fine.


R.I.P. Jeff Vega



1983 Honda XR80
1989 Honda Rebel 250
1983 Yamaha Maxim 750
1986 Honda Shadow 700
2002 Ducati Monster Dark 600
2007 Suzuki GSXR 600
2011 HD Sportster 1200 Custom
2001 Suzuki SV 650
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Can't Find the Ditch
 
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February 6, 2011, 07:24 PM

Is this a different engine?


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February 6, 2011, 07:34 PM

The last engine I bought for my sport bike was $800. I have never heard of a good $300 engine. If you can get one for $300 I would do it.
My unprofessional opinion.
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  (#8)
I got nuthin
 
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February 6, 2011, 07:40 PM

Quote:
Originally Posted by Nobrains View Post
Is this a different engine?
Original

Quote:
Originally Posted by david636 View Post
The last engine I bought for my sport bike was $800. I have never heard of a good $300 engine. If you can get one for $300 I would do it.
My unprofessional opinion.
Thats whats making this such a tough decision.


R.I.P. Jeff Vega



1983 Honda XR80
1989 Honda Rebel 250
1983 Yamaha Maxim 750
1986 Honda Shadow 700
2002 Ducati Monster Dark 600
2007 Suzuki GSXR 600
2011 HD Sportster 1200 Custom
2001 Suzuki SV 650

Last edited by Taty; February 6, 2011 at 07:42 PM..
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#47 GODSPEED BAMBAM
 
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February 6, 2011, 09:39 PM

I would 1st pick up the other motor and button your's back up and run a couple oil changes thru it. Maybe even the 1st oil run trans fluid threw it to help clean it out.


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It was me.
 
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February 7, 2011, 02:57 AM

Get the engine. It's nice to have two.


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The last urrbendah
 
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February 7, 2011, 05:18 AM

Quote:
Originally Posted by dodge131 View Post
I would 1st pick up the other motor and button your's back up and run a couple oil changes thru it. Maybe even the 1st oil run trans fluid threw it to help clean it out.
This.


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GDMFSOB
 
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February 7, 2011, 06:54 AM

How many miles did you put on that motor with the plug popped? From your 1st thread it sounded like quite a few.


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Slappa Da Baseeee , Mon'
 
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February 7, 2011, 07:42 AM

get the other motor scott


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easyrider
 
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February 7, 2011, 08:06 AM

I would think its worth the peace of mind of putting a healthy motor in. Especially at that price if it is a good motor.
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February 7, 2011, 10:13 AM

get the 300 dollar motor, good to have a spare, then ck yours better


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