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LT80 - Fouling plugs

  #11  
Old 10-27-2018, 12:29 PM
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150 isn't very much compared to other motors. I've had em at 200 with no problems.
Cross tighten the head bolts evenly with 10 inch pound progressions up to 115.
 
  #12  
Old 11-06-2018, 11:57 PM
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Hey if someone here who knows how to fix a LT80 2000 could please check my forum on how to fix it as I am currently trying to fix mine, I have very minimal experience with mechanics (16) any help would be greatly appreciated! Thanks
 
  #13  
Old 11-07-2018, 08:26 AM
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What's it not doing?
 
  #14  
Old 12-06-2018, 03:23 AM
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Originally Posted by LT80 View Post
150 isn't very much compared to other motors. I've had em at 200 with no problems.
Cross tighten the head bolts evenly with 10 inch pound progressions up to 115.

I dug out my compression tester and I am around 90psi now. I guess something blew, time to rip it apart. I am hoping it's just something in the top end. I did put new seals and bearing in the bottom end when I put it all back together.


 
  #15  
Old 12-06-2018, 09:49 AM
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Originally Posted by LT80 View Post
150 isn't very much compared to other motors. I've had em at 200 with no problems.
Cross tighten the head bolts evenly with 10 inch pound progressions up to 115.
Maybe your tester needs testing

I've never seen more than 160psi on a stock 2-stroker...high performance sleds included...modified maybe...but at 200+ psi I'd girdle the head on a little motor with very little cylinder studs...maybe the OEM parts can handle it but not the Chinese kit...it popped at 150...
 
  #16  
Old 01-09-2019, 01:20 PM
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Still waiting for my shop to be rebuilt so I can pull the LT80 apart. compression is low, so If I give up on the chinese jug and buy a Suzuki OEM one from bikebandit or wherever, what pistion kit should I go with ? Just something for stock kids use. I didn't see Suzuki sell a whole kit so I thoguht I would ask what others went with. Wiseco ?
 
  #17  
Old 01-09-2019, 05:27 PM
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You usually bore your cylinder to the next size piston.
Or you can buy a used cylinder off of me all ready to go.
I Use Suzuki parts.
 
  #18  
Old 02-09-2019, 11:08 PM
Trailblazer
Join Date: Jun 2012
Location: Colorado
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Bobby,
I tried the Chinese knock off kit too and after about 45 minutes it lost psi and wouldn't run and other issues.
I bought a kit from Mr. LT80 and no more issues. Can't go wrong imo.
 
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