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I bought another bolens.....


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#46 Bolens 1000 ONLINE  

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Posted January 13, 2011 - 06:50 AM

For Parts try :

Sams Bolens
Rays Mower shop
Tubeframes.com
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#47 Nascar3244888 OFFLINE  

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Posted January 13, 2011 - 01:37 PM

For Parts try :

Sams Bolens
Rays Mower shop
Tubeframes.com


Nice thing that rays is only 10 mi from me right over the hill lol, i will check the rings clearance asap.

#48 Nascar3244888 OFFLINE  

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Posted January 13, 2011 - 02:08 PM

got um....ring clearance is about .060" and the piston has a " 0 " on the top.....i never did that ring clearance thing before thats pretty cool how you can do that....i had to put the .030 and .032 things together on my feeler gauge to get the number first i tried .028 and .030 and it was a little loose, then i tried .030 and .032 together and its pretty snug so its about .060-.062". Going to check out the crank now....is there a way i can check it? I have a digital micrometer...can i use that?

#49 Bolens 1000 ONLINE  

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Posted January 13, 2011 - 04:18 PM

I think you should be ok with the standard size ring set. If you want, Check and see if you can get them in a Tri-chrome set (they help take up the gap better than regular rings)
The "o" on the Piston indicates a standard size piston and rings.

Wisconsin Part # for the Tri chrome standard set is DR 51
Wisconsin Part # for regular ring set is DR 53
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#50 Bolens 1000 ONLINE  

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Posted January 13, 2011 - 04:26 PM

Here are some specs for the Engine:

S7D specs.jpg
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#51 Bolens 1000 ONLINE  

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Posted January 13, 2011 - 04:30 PM

Another way I heard of checking clearance is they have stuff called plastigague (not sure on spelling) You put it around the crank then tighten the connecting rod. Take connecting rod back off and use calipers to measure the thickness of the material.

Micrometer will work also

#52 Nascar3244888 OFFLINE  

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Posted January 13, 2011 - 04:45 PM

Another way I heard of checking clearance is they have stuff called plastigague (not sure on spelling) You put it around the crank then tighten the connecting rod. Take connecting rod back off and use calipers to measure the thickness of the material.

Micrometer will work also


yes i heard of that, i can tell you that i measured the crank with a digital caliper and where the rod goes on i got 34.97mm and/or 1.372 in. i dont know if that means anything or not

also to check the rod...i took the rod cap off and am not sure which way to put it back on, is there a right and wrong and how do you tell?

Do I need to buy a new rod, wrist pin or can I use the old ones...I can tell you the rod seems to be in great shape with minimal scratches/scores and you cannot feel them....also the wrist pin is nice and tight and there seems to be a wear area in the middle where the rod goes and once you put it there its goes back and forth nice and smooth should I get a new one....what about wrist pin clips....they also seem to be in very good condition...?

With all this info do you have a ball park figure of how much this will cost so far, going with the Tri Chrome Set of rings?

#53 Nascar3244888 OFFLINE  

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Posted January 13, 2011 - 05:01 PM

Found this on ebay, would these work? Are they a good price?

Piston: NEW WISCONSIN PISTON PIN DB224SP STANDARD FOR S7D - eBay (item 160349610505 end time Feb-08-11 06:53:50 PST)

Rings: WISCONSIN ENGINE S7D HS7D STD PISTON RING SET DR53 - eBay (item 380266255500 end time Feb-02-11 15:57:08 PST)

#54 Nascar3244888 OFFLINE  

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Posted January 13, 2011 - 05:07 PM

Just found these tri chrome

Wisconsin ring set #DR51 TRI-Chrome for model S7D - eBay (item 370349568055 end time Feb-07-11 05:51:45 PST)

#55 Bolens 1000 ONLINE  

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Posted January 13, 2011 - 05:49 PM

By the looks of it so far you will be in about $90-$100

I see the wrist pin comes with the piston so you mine as well put the new one in. The clips really never wear out.
Your lucky to find that stuff on ebay! I must be looking in the wrong places because I can never find Wisconsin stuff on the internet.

#56 Bolens 1000 ONLINE  

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Posted January 13, 2011 - 05:51 PM

It is very Important that you put the rod back on correctly. There should be some sort of an arrow on one side that you line up

ctn.jpg

Edited by Bolens 1000, January 13, 2011 - 05:55 PM.
Added picture

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#57 Bolens 1000 ONLINE  

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Posted January 13, 2011 - 05:59 PM

yes i heard of that, i can tell you that i measured the crank with a digital caliper and where the rod goes on i got 34.97mm and/or 1.372 in. i dont know if that means anything or not

also to check the rod...i took the rod cap off and am not sure which way to put it back on, is there a right and wrong and how do you tell?

Do I need to buy a new rod, wrist pin or can I use the old ones...I can tell you the rod seems to be in great shape with minimal scratches/scores and you cannot feel them....also the wrist pin is nice and tight and there seems to be a wear area in the middle where the rod goes and once you put it there its goes back and forth nice and smooth should I get a new one....what about wrist pin clips....they also seem to be in very good condition...?

With all this info do you have a ball park figure of how much this will cost so far, going with the Tri Chrome Set of rings?


That Number indicated that your Crank is Good.
Now you got to take that and subtract it from the inner diameter of the connecting rod to get your clearance

#58 Nascar3244888 OFFLINE  

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Posted January 14, 2011 - 04:40 PM

I will check that this weekend I will post numbers on what rays wants for everything lots more than ebay

#59 Bolens 1000 ONLINE  

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Posted January 14, 2011 - 05:46 PM

Yeah Ebay will probably be the better option. Places like rays and sams are a little pricey

#60 Nascar3244888 OFFLINE  

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Posted January 14, 2011 - 08:08 PM

Rays Mower Shop Pricing for S7D Parts
Piston: 62.65
Chrome Rings: N/A
Std Rings: 51.55
Wrist Pin: 15.02
Wrist Pin Clips: 3.29 each
Connecting Rod: 142.06
Gasket Set w/o seals: 48.71
Seals: 9.32 each
Bearings for Crank(comes with race):23.64 each
Carb Rebuild Kit: 46.79

:sensored:




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