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Milling the head on a JR 50

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Old 06-16-2003, 11:06 PM
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Default Milling the head on a JR 50

Nyroc on the kawaie forum was suggesting milling the head on the suzuki 50s head to raise the compression to 8 to 1, has anyone here done that? And if so how much did you mill off the head? Was there any problem? (high octane fuel?)

thanks Chuck
 
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Old 02-03-2004, 10:59 AM
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Default Milling the head on a JR 50

Hi, Im about to mill the head on my daughters LT50, I should now this weekend how it turned out, will let you know then.

Regards Evert
 
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Old 02-03-2004, 11:59 AM
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Default Milling the head on a JR 50

I milled my sons .03 last summer after I made this post. It worked out well, but I had to jet up the carb because the engine wanted more fuel then. It help topend, not low end like I thought it would. I will just have to change the cog to get a low gear ratio.

thanks
chuck
 
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Old 02-03-2004, 03:24 PM
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Default Milling the head on a JR 50

Hmm.....ok, I have also milled it down, but not put it back together again.
I was also going for the low end, but I will have to try it out and then continue to other
mods.

Regards Evert
 
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Old 02-04-2004, 12:54 AM
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Default Milling the head on a JR 50

cleaning gasket off my '85 LT50 cylinder, I put a gouge on edge. buddy milled the cylinder for me, about 2-3 thou. i think this would have same effect as milling head. I know it was faster and peppier than another friends lt50 afterwards. he was alittle worried about clearance, but it wasn't a problem.

don't know if this is relevant or helps you.
 
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Old 02-09-2004, 03:22 PM
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Default Milling the head on a JR 50

Hi,
the testdrive today with the milled head worked out great !!!
It did alot on the bottom and not much at top.
Now it has the power to get it started in hills and bumps even with me (160lbs)
I milled the top down 3mm, didnt have to rejet either.

Regards Evert
 
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