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82 GPz750 keepin' it real,.. for now 30 Jul 2015 18:26 #683519

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Love what you have and be happy with what you got. B)
Steve

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82 GPz750 keepin' it real,.. for now 31 Jul 2015 19:47 #683672

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IT LIVES!!!

She started right up. The idle was a bit sporadic but that was expected. I got the Carbtune on it and got everything balanced out. It might be idling a bit high right now but that's going to have to wait. I burnt the shit out of my knuckle trying to adjust the idle screw. How do you sorry SOBs do it without burning yourselves?

Tomorrow I'll be putting all the bits and pieces back on and taking it for a couple laps around the block or maybe further.

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82 GPz750 keepin' it real,.. for now 31 Jul 2015 19:52 #683674

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I use a long screw driver. I'm not into pain. :lol:
Steve

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82 GPz750 keepin' it real,.. for now 31 Jul 2015 20:07 #683677

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swest wrote: I use a long screw driver. I'm not into pain. :lol:
Steve

The main idle screw? The one in the middle of the carbs on the back side? How do you turn that with a screw driver?

Another thing, The FSM says the vacuum should be at 22 cmHg at idle with a variation of 2 cmHg. I'm at about 16 cmHg with less than 1 cmHg variation. Should I be concerned about that?

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82 GPz750 keepin' it real,.. for now 31 Jul 2015 20:43 #683683

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Your low intake vacuum may be linked to your slightly low compression. If the motor has been unused for any length of time, this may improve within a few running hours, or less. Certainly did on my 750 and 1100. Don't worry about it.

Worst case sceanario, you have a 33 year old motor running a bit down on power. Unless it is guzzling oil or smoking badly it will go on like that for long time.
1980 Gpz550 D1, 1981 GPz550 D1. 1982 GPz750R1. 1983 z1000R R2. all four aces

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82 GPz750 keepin' it real,.. for now 31 Jul 2015 21:11 #683689

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Yep, I just put the end on the wheel and bump it. Mine is on the top against the head. Your vacuum isn't bad.
Steve

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82 GPz750 keepin' it real,.. for now 01 Aug 2015 13:39 #683777

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I guess I can try to get a box wrench around it to avoid burning myself in the future. The Idle is still a little high.

I took it for a 9 mi spin, runs pretty damn good. It started right up, I have to get used to playing with chokes again. A few issues which are fairly minor. The gas gauge sender looks like it's on the fritz, probably the float. The clutch cable needs replacing the clutch doesn't catch until it's almost completely out and the adjustment is at max. Finally, looks like I have a small oil leak coming from somewhere, I put it on the side stand when i got back and there was a small puddle under the alternator cover when i came back out to the garage. I might also need a battery but that's not a surprise either.

Here's some pics. Sorry about the glare on some of them.







With $40 eBay saddle bags







EDIT: I'd just like to add that I like it much better with the Spectre headlight.

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82 GPz750 keepin' it real,.. for now 01 Aug 2015 14:21 #683783

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Nice, don't be chopping that up. I know they aren't worth a lot, but they are quite rare bikes.

You have three points of adjustment on the clutch: the side casing actuator, the cable adjuster and the fine adjuster on the lever.
1980 Gpz550 D1, 1981 GPz550 D1. 1982 GPz750R1. 1983 z1000R R2. all four aces

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82 GPz750 keepin' it real,.. for now 01 Aug 2015 14:22 #683784

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Loosen all the cables and adjust it at the cover per your MANUAL.
Steve
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82 GPz750 keepin' it real,.. for now 01 Aug 2015 15:10 #683794

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Tyrell Corp wrote: Nice, don't be chopping that up. I know they aren't worth a lot, but they are quite rare bikes.


Not the plan at all. Any mods I do will be reversible.

Tyrell Corp wrote: You have three points of adjustment on the clutch: the side casing actuator, the cable adjuster and the fine adjuster on the lever.

swest wrote: Loosen all the cables and adjust it at the cover per your MANUAL.
Steve


Yeah, I found the middle one and I'll study the FSM ASAP. Having trouble getting the idle to settle down, I spayed some lube in the throttle cable in case it's sticking.

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82 GPz750 keepin' it real,.. for now 01 Aug 2015 15:15 #683795

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BTW I figured out that a 15 mm box wrench fits perfectly over the idle adjust.

This bike has one hell of a mean learning curve.


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82 GPz750 keepin' it real,.. for now 01 Aug 2015 15:42 #683797

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Irregular idle can be carb manifold boots leaking, if the rubbers aren't leaking then sealant on the flanges is
a fix.

You are on the 'shakedown' part now, ironing out little jobs as they occour. this is my shakedown list for my 550.
Always nice to tick the jobs off the list as you work through it, also helps planning for parts.


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