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Discussion Starter · #1 ·
Wondering if anyone knows anything about big bore kits for the 85-86 quadracer. I have an 86 and am looking for all the power I can get. I am getting ready to start a slow but complete rebuild. If anyone knows anything just let me know.
 

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I used to do a lot of them but the parts are getting hard to come by these days. Anything over an .080" is hard to find the parts.

Scott
 

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Most 250's can get a 340 kit for them. Surely if you contact a bike shop local to you they should be able to get you something to the effect of the 340 kit.
 

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Discussion Starter · #4 ·
Thanks for the help. I will get ahold of my local shop then. I just hate going through them because they are so slow and most of the time can't get you the right parts the first time. I will let you know what I find out.
 

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If you can find one let me know, I would be very interested in knowing about them. The 85-86 year LT is a very strange cylinder in the fact that it is a piston port intake with a case reed assist. Also, I don't believe that the case reed will allow that large of a bore size. They had a problem with skirts breaking. As far as an aftermarket cylinder like a Pro-X, they make 310s and 330s for a lot of bikes and ATV's but they don't make one for your application. LA Sleeve used to have a 290 big bore but the 2003 catalog no longer lists that application, only the .080" over.

Scott
 

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I'll call my local shop tomorrow, i get a discount there, and they can usually get me about anything that i need. I'll see what they can find for you.
 

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Discussion Starter · #7 ·
Thanks for the help. My local shop dosen't know what the hell they are doing. At least I found this great site that offers better info than them. Let me know what you find out. I won't be ready or have the money for the job for about 2-3 months.
 

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Discussion Starter · #9 ·
I found out if I put a big bore kit in I will be barking up the wrong tree. It will make my bottom end like butter. I will spend more time rebuilding than I will riding. I think I will just keep it the way it is and try to get ahold of a honda 250r. Oh well. It was worth a shot. :sad:
 

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whats this for..

Your wrong about gettin a honda 250r if you want more speed...the LT is faster..do everything to an engine BUT a kit...find a 310 maybe. But if you want more bottom end, gear it lower..thats why the hondas seemed to have more power...there geared low.. Gear yours lower and youll be fine
 
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