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    GSXR 1000 bogging

    Sorry my bad. I confused with something else. Try to check the pumps "Power source lead wire" (Yellow with red tracer) from the ECM. Or try to check all wires to the pump relay. Maybe there some oxidation somewhere, once I had an oxidized fuse caused something like this.
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    GSXR 1000 bogging

    Do you turn on the ignition and it pumps, then stop pumping, and pumps again again? Maybe the pressure regulator in the pump. But there may be a hole fuel line, or one of the injectors stuck open. You may want to remove the air filter housing and check the injectors when you turn on the...
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    GSXR 1000 bogging

    Can you measure fuel pressure? Because the voulme can be OK, but the pressure can be not enough. Also once i had switched the STVA cables by mistake, and when i try to accelerate harder the bike was bogging, i switched the cables back and everything was good.
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    Butchered wiring.99 srad 750

    You will need the TL ECU to use with the TL engine. And a GSXR ECU to use the GSXR engine. If the ECU pinout is different you cant switch the wiring harness between them. I would try to find a GSXR wiring and ECU, they are cheap for these old bikes
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    Engine cutout

    Here you can find the meaning of the codes.
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    Engine cutout

    If there is problem with the STVA it can be repaired, just need some soldering skills.
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    Engine cutout

    Put the bike in dealer mode and check for error codes. Is the FI light on?
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    Butchered wiring.99 srad 750

    Here it is: https://drive.google.com/file/d/1IflwOMuk_hIBWbQsGjzeAJlq7tdqeSHO/view?usp=sharing
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    Butchered wiring.99 srad 750

    I see a small chance that the cabling and electronics would be interchangeable. I'll check later to see if I have a TL 1000S service book. From there, you can compare the circuit diagram with the SRAD drawing.
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    Butchered wiring.99 srad 750

    Your welcome! TL 1000R was my kid dreambike 🙃
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    What size rear tyre is best?

    I have used 195/65 KR108 MS02, 200/60 SuperbikeSC2, 200/655 V02 Medium, 195/55 D211 tires at the racetrack all of them was very good on the OEM 6" RIM. The worst size was the original 190/50 flat profile tire...
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    gsxr idling problem

    No idle? Maybe clogged injectors. Or check the fuel pump, although it occurs at high rpm not at idle, if it cant deliver enough. Or the easiest, a very dirty air filter. I would also check the valve clearance and the timing chain/tensioner if the history is unknown.
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    Starter trigger wire ?

    Whats your bike model and year? If its a 00-03 750 then the (Y/G)Yellow wire with Green tracer to the starter relay. Thats the wire that comes from the start button.
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    Chain set

    Unless you are doing racing and trackdays its unnoticable. Also a 520 chain has much sorter life then a 530. If you want better acceleration, buy one tooth smaller front, and one tooth larger rear sprockets.
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    Butchered wiring.99 srad 750

    Heres the service manual for your bike.
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    L1 fairings

    Try to find OEM fairings because the Chinese(Aliexpress, eBay) complete sets are nowhere near as good the original ones. They are made from cheap thin plastic, and sometimes they are not dimensionally accurate. I would buy an original even if I have to collect the necessary pieces one by one.
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    Chain set

    According to JT-s catalog You need an 530 chain witch is 108 in lenght. Recommend to buy D.I.D. ZVMX. Sprockets recommended brand JT / RK / Sunstar Front 15 Teeth JTF513 Rear 42 Teeth JTR816