KZR's Bikes of the Month for 2024

1982 GPz750 Phase II Making It more Unique.

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29 Feb 2016 15:21 #713116 by GPzMOD750
Replied by GPzMOD750 on topic 1982 GPz750 Phase II Making It more Unique.
I swung by my cycle parts store and they had full set of 132.5s I'll get those in by the weekend and see how that goes. I also got a new clutch cable. Mine's so stiff my hand was in agony this morning.

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  • SWest
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  • 10 22 2014
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29 Feb 2016 15:34 #713118 by SWest

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29 Feb 2016 16:40 #713122 by GPzMOD750
Replied by GPzMOD750 on topic 1982 GPz750 Phase II Making It more Unique.

swest wrote: What kind of carbs do you have?
Steve

Stock CV BS34s.

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04 Mar 2016 06:00 #713753 by GPzMOD750
Replied by GPzMOD750 on topic 1982 GPz750 Phase II Making It more Unique.
The wrenching gods have spoken!

The 3rd and last vehicle that I have at my disposal to get to work decided to start running like crap and throw misfire codes. I pulled the plugs and I've never seen any as terribly eroded. I'm taking that as a sign I need to stay home and wrench on all 3 vehicles that need it.

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04 Mar 2016 18:46 #713873 by GPzMOD750
Replied by GPzMOD750 on topic 1982 GPz750 Phase II Making It more Unique.
I got the new jets and cable installed and went for a run.

Feels much better. I could get it up to 100 but still feels a little under powered in 4th and 5th gear 8k range.

I took it home and rebalanced the carbs and raised the needles a little, slot 2 to 4 or is it the other way around?

It felt a bit more snappy after that but still feels like it's struggling at WOT in 4th and 5th, still cant get it past a ton. I'm missing something, I'll have to think on it a bit. I'm glad to have it running well enough that I can ride it to work and around the canyons.

nice day but a bit hazy.

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  • SWest
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  • 10 22 2014
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04 Mar 2016 18:53 #713875 by SWest

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04 Mar 2016 19:02 #713877 by GPzMOD750
Replied by GPzMOD750 on topic 1982 GPz750 Phase II Making It more Unique.

swest wrote: What do your plugs look like at high speed?
Steve

I forgot to take my socket with me so I'm not sure. Still indicating good at idle/street speed.

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  • SWest
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  • 10 22 2014
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04 Mar 2016 19:06 #713878 by SWest
It might have to build up compression now it's running good.
Steve

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  • Tyrell Corp
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  • "You were made as well as we could make you"
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05 Mar 2016 05:43 #713911 by Tyrell Corp
Replied by Tyrell Corp on topic 1982 GPz750 Phase II Making It more Unique.

GPzMOD750 wrote: Tyrell,

Do you have pods on your bike? I'm just trying to decide what size jets to get. I'm just running the standard airbox and filter but have the 4-1 and Kerker and soon to be bigger muzzy.


see my reply on page 1, your 115 main sounds far too small to me. I'm using 137.5, sounds a bit too big I know...

1980 Gpz550 D1, 1981 GPz550 D1. 1982 GPz750R1. 1983 z1000R R2. all four aces

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05 Mar 2016 09:13 #713939 by GPzMOD750
Replied by GPzMOD750 on topic 1982 GPz750 Phase II Making It more Unique.

swest wrote: It might have to build up compression now it's running good.
Steve

Good point, maybe I just need time to give this old lump time to catch up if it ever does.

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05 Mar 2016 09:22 #713941 by GPzMOD750
Replied by GPzMOD750 on topic 1982 GPz750 Phase II Making It more Unique.

Tyrell Corp wrote: see my reply on page 1, your 115 main sounds far too small to me. I'm using 137.5, sounds a bit too big I know...

I understood but IDK if you have pods or not. The only size they had available in a full set over 130 was the 132.5 and considering the difference in altitude I figured it would probably work.

This is my route I took for the second run It varied from 4300 - 5100 ft. Once I start going up those canyons I'll be up over 9k in some cases. There's a few day rides i can take that go above 10.


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06 Mar 2016 05:59 - 06 Mar 2016 06:01 #714083 by GPzMOD750
Replied by GPzMOD750 on topic 1982 GPz750 Phase II Making It more Unique.
Took it for a nice tame, mostly, I hr ride. It ran really well and I have no complaints. I really like the drag bars. They are pretty much the perfect position for me. Not too low or too far forward. If I crank the bars to one side or the other the switch housings just slightly kiss the top of the tank. I'll se if I can't make some slight adjustments to cure that. I believe it is time to start going to work on it.

I did get a toe scraper which I caught it with my new cam. I included the vintage Ranchero that passed me just before.

Last edit: 06 Mar 2016 06:01 by GPzMOD750.

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