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  • 1988 Fs1 With 80cc Big Bore Kit For Sale
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1988 Fs1 With 80cc Big Bore Kit For Sale
Tweet Topic Started: Aug 29 2006, 11:34 AM (102 Views)
pertheswede Aug 29 2006, 11:34 AM Post #1
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FS1 For Sale
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hazel Aug 29 2006, 12:08 PM Post #2
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:rolleyes:
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pertheswede Aug 29 2006, 01:36 PM Post #3
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I have never heard of an 80cc big bore kit before? Would this also fit the a 1976-77 fizzy does anyone know?

Have only seen a 70cc one earlier today on a swedish website, www.addemoto.se, which eightcans highlighted to me.
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hazel Aug 29 2006, 01:55 PM Post #4
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Never heard of a 80cc Kit I don't believe that this one has one either.
As far as I know the 70cc Kit is for the Reed Valve Model
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eightcans Aug 29 2006, 02:23 PM Post #5
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The 70cc kit has a 45mm piston which gives a capacity of just over 63cc. For a FS1E to have an 80cc capacity would require a 50.5mm piston :o , 10.5mm larger than standard. You`d have no barrel left if you bored it out that much me thinks :blink: !!
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hazel Aug 29 2006, 02:59 PM Post #6
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How is that worked out Eightcans? i AM A BIT THICK and all my information is
what i can remember through the Mist of 24 years :lol:

40mm is a standard piston
43mm is a 60cc piston
That is right isn't it

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eightcans Aug 29 2006, 03:32 PM Post #7
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:lol: It`s done like this. Half the diameter of the piston multiplied by itself, then multipled by pi (3.1415927) then multiplied by the stroke. So a std FS1E would be 20x20xpix39.7=49.9cc Dont worry Hazel your not the only daft one. I had to look up MILF :o the other day as I didn`t know what it meant.....GLAD I DID :D :D :D A 43mm piston gives a capacity of 57.65ccs. A 43.5mm piston which I think you have should give a capacity of 59cc
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hazel Aug 29 2006, 03:47 PM Post #8
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:o :o :o
Nice one cheers Eightcans, I do indeed have a 43.5mm Piston
:D
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fizzy DX Aug 29 2006, 04:34 PM Post #9
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Quote:
 
I had to look up MILF  the other day as I didn`t know what it meant.....GLAD I DID  


Ever seen the film American pie????

Theres a scene in it were two boys are looking at a picture of their friends mum, boy 1 says to the other: hey that chicks a MILF! and the boy 2 says: Whats a MILF? and boy 1 replys with: Mum i'd lik'ta f*ck...

Was the meaning you found out the same?
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eightcans Aug 29 2006, 06:03 PM Post #10
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I wouldn`t watch such filth and sadly the meaning was the same. I`ve little time to watch films, looking after my mother and 15 cats occupies most of my time. What time I have left is spent on my Hornby train set, looking to bid of a special edition 0-6-0 shunter later, fingers crossed.
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