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kz400 1979 440 barrels pistons 20 Apr 2018 05:35 #782074

  • mikestp
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Will the 440 barrels and pistons fit onto a 400 engine? I want to retain the kick start but if pistons and barrels are to be replace. I would like to fit the bigger jugs from the 440. Anyone ever considered doing this?

Mike....

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kz400 1979 440 barrels pistons 20 Apr 2018 16:52 #782092

  • Nebr_Rex
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Which 400, early or late?


.
2002 ZRX1200R
81 GPz1100
79 KZ1000st daily ride
79 KZ1000mk2 prodject
78 KZ650sr
78 KZ650b
81 KZ750e
80 KZ750ltd
77 KZ400/440 cafe project
76 KZ400/440 Fuel Injected

www.dotheton.com/forum/index.php?topic=39120.0


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kz400 1979 440 barrels pistons 20 Apr 2018 17:20 #782094

  • Nerdy
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Nebr_Rex wrote: Which 400, early or late?


The subject line says 1979 so I'm gonna guess 'late'. :)
1979 KZ400 Gifted to a couple of nephews
1967 Yamaha YCS1 Bonanza
1980 KZ440B
1981 Yamaha XT250H
1981 KZ440 LTD project bike
1981 GPz550
2013 Yamaha FZ6R

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kz400 1979 440 barrels pistons 21 Apr 2018 06:24 #782106

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It is the last of the kickstart models as I am told. a 1979 year.

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kz400 1979 440 barrels pistons 21 Apr 2018 06:45 #782111

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mikestp wrote: It is the last of the kickstart models as I am told. a 1979 year.



Have you looked at www.kz400.com? You can find a lot of good information there.
1979 KZ400 Gifted to a couple of nephews
1967 Yamaha YCS1 Bonanza
1980 KZ440B
1981 Yamaha XT250H
1981 KZ440 LTD project bike
1981 GPz550
2013 Yamaha FZ6R

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kz400 1979 440 barrels pistons 21 Apr 2018 16:31 #782130

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The 440 sleeves are about .100 in. larger than the 400. The Bores in the top case might be to small.
2002 ZRX1200R
81 GPz1100
79 KZ1000st daily ride
79 KZ1000mk2 prodject
78 KZ650sr
78 KZ650b
81 KZ750e
80 KZ750ltd
77 KZ400/440 cafe project
76 KZ400/440 Fuel Injected

www.dotheton.com/forum/index.php?topic=39120.0


.

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