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jetting \"standard\" kz 1200

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16 Jul 2006 13:02 #62408 by martijn
jetting \"standard\" kz 1200 was created by martijn
has anyone a sugestion for jetting a bored 900 to 1200 cc. At this moment al standard except bored to 1200 cc (28mm carbs)

thanks Martijn

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16 Jul 2006 14:28 #62427 by donthekawguy
Replied by donthekawguy on topic jetting \"standard\" kz 1200
You might want to start with around a 122 main. Do you pods, header and such?
Rathdrum Idaho
1971 Kawasaki g3ss
1972 Yamaha R5 350
1965 Suzuki Hillbilly
1964 Yamaha 125

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17 Jul 2006 07:21 #62566 by wiredgeorge
Replied by wiredgeorge on topic jetting \"standard\" kz 1200
Jetting kind of depends on WHICH 28mm carbs, what type airbox, what type pipes, what compression, what cams, non-stock porting and other issues. With no information to work with, any guess I could make would definitely be most likely wrong.
wiredgeorge Motorcycle Carburetors
Mico TX
www.wgcarbs.com
Too many bikes to list!

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18 Jul 2006 02:02 #62802 by martijn
Replied by martijn on topic jetting \"standard\" kz 1200
Hello George

All standard except the marshall 4 into 1 exhaust. The carbs are the standard 28mm.

What about the compression I think it is knocking!! due to standard cams etc with 1200cc???

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18 Jul 2006 06:09 #62841 by wiredgeorge
Replied by wiredgeorge on topic jetting \"standard\" kz 1200
They put VM28 carbs on Kaws in 73, 74, 75, 78, 79 and 80. Most all of them were jetted differently. To rejet, you must have a baseline. You have a stock airbox? Stock compression with 1200 pistons?
wiredgeorge Motorcycle Carburetors
Mico TX
www.wgcarbs.com
Too many bikes to list!

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18 Jul 2006 07:41 #62873 by martijn
Replied by martijn on topic jetting \"standard\" kz 1200
Yes, stock airbox and filter and wiseco pistons with specified compression of 1 to 12.25.

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19 Jul 2006 13:24 #63197 by wiredgeorge
Replied by wiredgeorge on topic jetting \"standard\" kz 1200
Well, without knowing the type of VM28, I am going to guess at jetting and say leave the jets in the carbs you have alone. If your pipes turn blue or the bike overheats, go up in size on the main and pilot jets.
wiredgeorge Motorcycle Carburetors
Mico TX
www.wgcarbs.com
Too many bikes to list!

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