What models came with Mikuni VM29's stock?
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What models came with Mikuni VM29's stock?
28 Jul 2013 23:31
Does anyone know which (if any) models came stock with Mikuni VM29 smoothbore carbs? I have a 78' KZ650 D1 and I'm trying to determine how much this bike was messed with.
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Re: What models came with Mikuni VM29's stock?
29 Jul 2013 00:25 - 29 Jul 2013 00:28
I don't believe any KZs came stock with 29 smoothbores, but I know for sure no KZ650 did. They are too much for a KZ650. Ed
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
Last edit: 29 Jul 2013 00:28 by 650ed.
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Re: What models came with Mikuni VM29's stock?
29 Jul 2013 00:31
If they have 29's consider yourself lucky. I assume you have a kz1000/900
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80 LTD B4 1075 kit JE Pistons .410 cam grind, Bassani, 31 keihin CR Specials...
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Re: What models came with Mikuni VM29's stock?
29 Jul 2013 12:27
It's definitely a KZ650, unless someone re-engraved a VIN on it.
If the VM29's are to big for the 650, why would anyone do it? It has pods and a 4-1 exhaust. Are there any tell tale signs I can look for that would give away engine modifications? I stripped the paint of the tank, it has some bondo and a few dents. Other then that it looks similar to the stock D1 pictures.
Thanks!
If the VM29's are to big for the 650, why would anyone do it? It has pods and a 4-1 exhaust. Are there any tell tale signs I can look for that would give away engine modifications? I stripped the paint of the tank, it has some bondo and a few dents. Other then that it looks similar to the stock D1 pictures.
Thanks!
78' KZ650 D1 SR - 'Cafe' Project
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Re: What models came with Mikuni VM29's stock?
29 Jul 2013 12:54
If you have a good set of 29's you are fortunate. Maybe the PO installed a bigborekit.cams too?
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Re: What models came with Mikuni VM29's stock?
29 Jul 2013 14:46 - 29 Jul 2013 14:55
Sorry, was reading this on my phone last night and didn't notice that whole post that you stated 650. Is it pretty fast? Maybe someone slapped an 810 kit in it. At either rate if you have determined those to be smoothbores and the bike is not running right I would assume a stock set of carbs that fit that bike...wait, if they are indeed 29's then you might have a 900 stuffed in it. No, I just saw that pic you posted. That is definitely a 650 engine. Could you take a closer pic of the carbs?
ftp wrote: It's definitely a KZ650, unless someone re-engraved a VIN on it.
If the VM29's are to big for the 650, why would anyone do it? It has pods and a 4-1 exhaust. Are there any tell tale signs I can look for that would give away engine modifications? I stripped the paint of the tank, it has some bondo and a few dents. Other then that it looks similar to the stock D1 pictures.
Thanks!
79 LTD B3
80 LTD B4 1075 kit JE Pistons .410 cam grind, Bassani, 31 keihin CR Specials...
1980 Z1R, 2002 ZRX1200, 2003 ZRX1200
80 LTD B4 1075 kit JE Pistons .410 cam grind, Bassani, 31 keihin CR Specials...
1980 Z1R, 2002 ZRX1200, 2003 ZRX1200
Last edit: 29 Jul 2013 14:55 by saxjonz. Reason: changed
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Re: What models came with Mikuni VM29's stock?
29 Jul 2013 15:41
The carb top I can see looks more like a VM 28 to me. The 29's tops were more flat and square looking.
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Re: What models came with Mikuni VM29's stock?
29 Jul 2013 16:14 - 29 Jul 2013 16:44
Check the left side of your bike's cylinders to see if a previous owner replaced them with a set from a KZ750. KZ650 cylinders will be marked 652cc (see pic). Also, my understanding is that 29mm smoothbore carbs have a little brass bead inside a square depression on their side (see second pic). If this is not true maybe someone with hands-on experience with smoothbore carbs will please clarify. Ed
Attachment 00000_2013-07-29-2.jpg not found
Attachment Smoothbore.jpg not found
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
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Last edit: 29 Jul 2013 16:44 by 650ed.
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Re: What models came with Mikuni VM29's stock?
29 Jul 2013 19:17
I'll have to double check the stamp on the engine when I get home. IIRC it's 652. As for the carbs here they are.
Broken Housing
I found a replacement ... the vent is on the wrong side but I should be able to deal with that.
Here's the VIN on the forks.
Broken Housing


I found a replacement ... the vent is on the wrong side but I should be able to deal with that.

Here's the VIN on the forks.

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Re: What models came with Mikuni VM29's stock?
29 Jul 2013 20:14
29 smoothbores were NOT a stock oem carb :pinch: ...... :huh: they were a performance aftermarket carb. raise the slide to see the smoothbore insert :pinch:.....look like 29's from the main jet access on the bowls :blink:
2005 Kawasaki mean streak
2000 325 H.P. mcXpress turbo Hayabusa
1979 kz 1000 mk II ATP turbo
1975 Z1 960 cc Mr. Turbo
1975 Z1 1428 big block ATP turbo
1976 Kz900 1103 cc ATP turbo
1985 GS 1150E
1983 GS 1100E
1997 Suzuki Bandit 1200S
2001 Kawasaki EX 500 Ninja
1972 Honda cb750 (836cc turbo)
2000 325 H.P. mcXpress turbo Hayabusa
1979 kz 1000 mk II ATP turbo
1975 Z1 960 cc Mr. Turbo
1975 Z1 1428 big block ATP turbo
1976 Kz900 1103 cc ATP turbo
1985 GS 1150E
1983 GS 1100E
1997 Suzuki Bandit 1200S
2001 Kawasaki EX 500 Ninja
1972 Honda cb750 (836cc turbo)
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Re: What models came with Mikuni VM29's stock?
29 Jul 2013 20:19 - 29 Jul 2013 20:19ftp wrote: It's definitely a KZ650, unless someone re-engraved a VIN on it.
If the VM29's are to big for the 650, why would anyone do it? It has pods and a 4-1 exhaust. Are there any tell tale signs I can look for that would give away engine modifications? I stripped the paint of the tank, it has some bondo and a few dents. Other then that it looks similar to the stock D1 pictures.
Thanks!
The p.o. probably needed a set of carbs and you used to be able to get used 29's for around $100 or $150......
2005 Kawasaki mean streak
2000 325 H.P. mcXpress turbo Hayabusa
1979 kz 1000 mk II ATP turbo
1975 Z1 960 cc Mr. Turbo
1975 Z1 1428 big block ATP turbo
1976 Kz900 1103 cc ATP turbo
1985 GS 1150E
1983 GS 1100E
1997 Suzuki Bandit 1200S
2001 Kawasaki EX 500 Ninja
1972 Honda cb750 (836cc turbo)
2000 325 H.P. mcXpress turbo Hayabusa
1979 kz 1000 mk II ATP turbo
1975 Z1 960 cc Mr. Turbo
1975 Z1 1428 big block ATP turbo
1976 Kz900 1103 cc ATP turbo
1985 GS 1150E
1983 GS 1100E
1997 Suzuki Bandit 1200S
2001 Kawasaki EX 500 Ninja
1972 Honda cb750 (836cc turbo)
Last edit: 29 Jul 2013 20:19 by turboking.
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Re: What models came with Mikuni VM29's stock?
29 Jul 2013 20:22
or maybe he was one of the bigger is better crowd......same with cams , guys usually over do it for what really is usable on the street...... :lol:
2005 Kawasaki mean streak
2000 325 H.P. mcXpress turbo Hayabusa
1979 kz 1000 mk II ATP turbo
1975 Z1 960 cc Mr. Turbo
1975 Z1 1428 big block ATP turbo
1976 Kz900 1103 cc ATP turbo
1985 GS 1150E
1983 GS 1100E
1997 Suzuki Bandit 1200S
2001 Kawasaki EX 500 Ninja
1972 Honda cb750 (836cc turbo)
2000 325 H.P. mcXpress turbo Hayabusa
1979 kz 1000 mk II ATP turbo
1975 Z1 960 cc Mr. Turbo
1975 Z1 1428 big block ATP turbo
1976 Kz900 1103 cc ATP turbo
1985 GS 1150E
1983 GS 1100E
1997 Suzuki Bandit 1200S
2001 Kawasaki EX 500 Ninja
1972 Honda cb750 (836cc turbo)
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