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What would you do?
- daveo
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24 Jul 2013 13:19 - 25 Jul 2013 11:07 #598064
by daveo
1982 KZ1100-A2
What would you do? was created by daveo
I've re-jetted, raised the needle, and have the BS34's working well, but may want to upgrade at some point, and maintain the option of using the air box. I wonder what make/model and size carburetor would be the best choice to replace the BS34's, while keeping cost reasonable. I would rather find a used carburetor set on ebay, instead of buying new.
Would Smoothbores be the best choice?
I'd prefer to keep the stock single-cable throttle system, unless a push/pull replacement throttle unit is available with a start/kill switch, specifically designed to replace the original unit.
The KZ1100-A2 motor is stock. Upgrades to date include a V&H header/baffle (no glass wrap), and Dynatek 2000/Mini-coils, and misc. minor things.
Would Smoothbores be the best choice?
I'd prefer to keep the stock single-cable throttle system, unless a push/pull replacement throttle unit is available with a start/kill switch, specifically designed to replace the original unit.
The KZ1100-A2 motor is stock. Upgrades to date include a V&H header/baffle (no glass wrap), and Dynatek 2000/Mini-coils, and misc. minor things.
1982 KZ1100-A2
Last edit: 25 Jul 2013 11:07 by daveo.
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25 Jul 2013 10:51 - 25 Jul 2013 11:10 #598191
by daveo
Last edit: 25 Jul 2013 11:10 by daveo.
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- koolaid_kid
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25 Jul 2013 12:29 #598198
by koolaid_kid
1983 GPz 750
810 Wiseco, Kerker, K&N, DynoJet S3, Accel, Progressive, etc.
Replied by koolaid_kid on topic What would you do?
You would be best served by staying with the BS34s. If you feel the need for more fuel, consider the DynoJet Stage 1 or Stage 3 kits instead. BTW, the Stage 3 kits have all the jets for doing the Stage 1 jetting, so you would be best served by just getting it while you are at it.
The smoothbores would be a step backward IMHO.
The smoothbores would be a step backward IMHO.
1983 GPz 750
810 Wiseco, Kerker, K&N, DynoJet S3, Accel, Progressive, etc.
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25 Jul 2013 13:35 - 25 Jul 2013 16:50 #598203
by daveo
1982 KZ1100-A2
Replied by daveo on topic What would you do?
koolaidkid
Its probably a lot to ask, but...
How effective are the Dynojet mods at enhancing engine performance throughout the range, and do they create any adverse tuning issues? With a kit installed, will acceleration be smoother, or will there be dramatic power surges as the throttle is opened and closed?
I want to run with the stock air box, so does that require a Dynojet Stage-2 setup? I only see Stage-3 in the 2310 Dynojet web instructions, and it appears that changes are limited to the main jet/needle, and vacuum slides.
Thanks
Its probably a lot to ask, but...
How effective are the Dynojet mods at enhancing engine performance throughout the range, and do they create any adverse tuning issues? With a kit installed, will acceleration be smoother, or will there be dramatic power surges as the throttle is opened and closed?
I want to run with the stock air box, so does that require a Dynojet Stage-2 setup? I only see Stage-3 in the 2310 Dynojet web instructions, and it appears that changes are limited to the main jet/needle, and vacuum slides.
Thanks
1982 KZ1100-A2
Last edit: 25 Jul 2013 16:50 by daveo.
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25 Jul 2013 15:50 #598215
by slayer61
Don't be ridiculous! It's only a flesh wound!
[strike]Wife's little bike... 1984 GPZ 550 Kerker and DynaJet stage I kit[/strike]
Wife's BIG bike......[strike] 1981 GPZ 1100 Kerker and [strike]factory FI[/strike] Mikuni RS34s W/ K&N pods[/strike] SOLD
Replied by slayer61 on topic What would you do?
I cant speak for the KoolAide Kid, but I used a dynajet kit on my Mrs's little GPZ. It has a Kerker 4-1 and always had a little stumble just off idle. The DJ kit has eliminated the stumble. That's been my experience with them. Paul
Don't be ridiculous! It's only a flesh wound!
[strike]Wife's little bike... 1984 GPZ 550 Kerker and DynaJet stage I kit[/strike]
Wife's BIG bike......[strike] 1981 GPZ 1100 Kerker and [strike]factory FI[/strike] Mikuni RS34s W/ K&N pods[/strike] SOLD
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25 Jul 2013 16:55 #598227
by daveo
1982 KZ1100-A2
Replied by daveo on topic What would you do?
slayer61
Is Mrs's little GPZ an 1100? Was it a Stage-3 kit you installed?
Is Mrs's little GPZ an 1100? Was it a Stage-3 kit you installed?
1982 KZ1100-A2
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25 Jul 2013 17:00 #598228
by koolaid_kid
1983 GPz 750
810 Wiseco, Kerker, K&N, DynoJet S3, Accel, Progressive, etc.
Replied by koolaid_kid on topic What would you do?
There is no Stage 2. Not sure why, but that is the way it is. There are many changes that it provides, mostly the needle. Its taper is far better than the stock needle, plus it is fully height adjustable, for fine tuning the needle. Also raising the diaphragm quicker and letting a bit more air in right off idle.
I have a Stage 3 in my GPz. It has pods and a pipe, which requires the Stage 3.
Tuning is the issue. I have a wideband, aka a sniffer, so I used it to dial in the carbs. If you do not have that luxury you have to do plug chops, which are quite tedious.
But I would never, ever go back to stock Mikuni parts.
The kits are around $125, a few sets of plugs, some patience and understanding of how the Mikuni CV carbs work, and you will be grinning from ear to ear.
I have a Stage 3 in my GPz. It has pods and a pipe, which requires the Stage 3.
Tuning is the issue. I have a wideband, aka a sniffer, so I used it to dial in the carbs. If you do not have that luxury you have to do plug chops, which are quite tedious.
But I would never, ever go back to stock Mikuni parts.
The kits are around $125, a few sets of plugs, some patience and understanding of how the Mikuni CV carbs work, and you will be grinning from ear to ear.
1983 GPz 750
810 Wiseco, Kerker, K&N, DynoJet S3, Accel, Progressive, etc.
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25 Jul 2013 17:05 #598229
by daveo
1982 KZ1100-A2
Replied by daveo on topic What would you do?
Will use of the Stage-3 kit require changing over to pods, or can I still use the air box?
1982 KZ1100-A2
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25 Jul 2013 17:05 - 25 Jul 2013 17:06 #598230
by koolaid_kid
1983 GPz 750
810 Wiseco, Kerker, K&N, DynoJet S3, Accel, Progressive, etc.
Replied by koolaid_kid on topic What would you do?
It doesn't really matter the size of the motor. The same is true across the board, for all brands with the Mikuni carbs, such as those off-brand Suzukis. :lol:
The Stage 3 kit contains the main jets required for a Stage 1 also.
Pods or a pipe, install the Stage 1 jets. Pods and a pipe, install the Stage 3, which is mainly changing the mains and retuning the needle.
The Stage 3 kit contains the main jets required for a Stage 1 also.
Pods or a pipe, install the Stage 1 jets. Pods and a pipe, install the Stage 3, which is mainly changing the mains and retuning the needle.
1983 GPz 750
810 Wiseco, Kerker, K&N, DynoJet S3, Accel, Progressive, etc.
Last edit: 25 Jul 2013 17:06 by koolaid_kid.
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25 Jul 2013 17:30 #598235
by 650mod
78 kz 650 custom
Wiseco 720cc big bore
Dynajet stage 3 carb kit with pods
2002 Kawasaki Z750 exhaust
2001 Buell lightning front end
1999 Ninja 600 swingarm with 1999 Ninja 900 rear rim
converted to monoshock rear
Too many goodies to list fully
Replied by 650mod on topic What would you do?
I've got a stage 3 kit on my '78 650 with an overbore, pipe, and pods. It's made a huge difference in performance, especially when you hit into the upper range (with the needle taper being thinner). Pulls a lot smoother, with good response over the range. Agreed with what's been said- the stage 1 should be fine, but I'd get the stage 3 if you ever did any more mods to the bike.
78 kz 650 custom
Wiseco 720cc big bore
Dynajet stage 3 carb kit with pods
2002 Kawasaki Z750 exhaust
2001 Buell lightning front end
1999 Ninja 600 swingarm with 1999 Ninja 900 rear rim
converted to monoshock rear
Too many goodies to list fully
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25 Jul 2013 17:33 #598236
by koolaid_kid
1983 GPz 750
810 Wiseco, Kerker, K&N, DynoJet S3, Accel, Progressive, etc.
Replied by koolaid_kid on topic What would you do?
Getting the Stage 3 kit to begin with allows you to set the other parts aside. If you ever go to pods, just pull the box out, follow the instructions, retune, put the box back. The difference in price is minimal, if any at all.
1983 GPz 750
810 Wiseco, Kerker, K&N, DynoJet S3, Accel, Progressive, etc.
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