SuzukiStockman Posted May 15, 2009 Report Posted May 15, 2009 hello, I'm hear again asking more questions about the k motors (I'm quikly learning!! lol) I'm building up my 5k Motor, I have three heads at the moment One has 19 stamped on it with an "A" with a circle round it stamped on it and notches/lumps under spark plug 1 and 4 The second one has 1 stamped on it and the third has 73 stamped on it Ive attached some photos of the heads hello, I'm hear again asking more questions about the k motors (I'm quikly learning!! lol) I'm building up my 5k Motor, I have three heads at the moment and i need to know what there off of: One has 19 stamped on it with an "A" with a circle round it stamped on it and notches/lumps under spark plug 1 and 4 The second one has 1 stamped on it and the third has 73 stamped on it Ive attached some photos of the heads Quote
Taz_Rx Posted May 15, 2009 Report Posted May 15, 2009 Me again! :y: The lug under 1 & 4 would indicate that its a dished piston motor. Most likely a 5k in Aus, but maybe a 4ku head. Quote
SLO-030 Posted May 15, 2009 Report Posted May 15, 2009 my 5K head has a 1 on it aswel. From a dished piston 5K. Quote
SuzukiStockman Posted May 15, 2009 Author Report Posted May 15, 2009 Cheers guys, your help is greatly appreciated! Quote
seabiscuit Posted May 15, 2009 Report Posted May 15, 2009 Cheers guys, your help is greatly appreciated! There's a head identification page in the FAQ's. Here is the link! K Motor Heads Quote
Felix Posted May 15, 2009 Report Posted May 15, 2009 I'd take those numbers in the FAQ with a grain of salt. That list is all over the place. The only ones that really mean anything are the early bigport ones with an actual part number on them. Basically you have 3 head types: early k/3k bigport: with the 22010 or 24010 prefix - welschplug on back normal smallport 3k/4k 4k/5k dished piston heads: have those lumps under 1 and 4 plug holes. - small combustion chambers Quote
SLO-030 Posted May 15, 2009 Report Posted May 15, 2009 My 5K doesnt have those lumps under 1 & 4. but its a dished piston head. Quote
Felix Posted May 16, 2009 Report Posted May 16, 2009 (edited) My 5K doesnt have those lumps under 1 & 4. but its a dished piston head. Did you CC it? The original may have been cooked and replaced at some stage in its' life with whatever was easily and cheaply available. Edited May 16, 2009 by Felix Quote
SLO-030 Posted May 17, 2009 Report Posted May 17, 2009 Just went out and checked it. and it turns out it actually does have the lumps underneath 1&4. Was lookin at the wrong head last time :) Quote
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