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06 26 18 1974 Kawasaki Z1A Carburetor Synchronization

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06-26-18 This video is for entertainment purposes only. I got the 1974 Kawasaki Z1A ready for carburetor synchronization after picking up a new battery. I guess it has been a lot longer since I ran this thing than I thought. Everything went pretty smooth. I could not take it for a test ride because I don't have any insurance. I also need to fix a little leak on the fuel line filter connection.

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23 авг 2024

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Комментарии : 19

@warrenford9947 Год назад

Thank you. This is a very informative video particularly with your carb tuning method. I have a z650 and have all sorts of issues with the carbs. Cheers 😊

@OnTheEdgeNow Год назад

I like working on the carbureted bikes. I started riding back in the 70s and back then everything was carbureted. It is much easier finding information now, then it was back then. Finding parts on the internet makes your life easier too. Good luck on getting your bike running.

@jeffmcelroy5364 2 года назад

Good job Sounds very smooth.

@OnTheEdgeNow 2 года назад

Thank you.

@garystratton4125 3 года назад

on adjusting the air screws...I turn them in clockwise until it stumbles and out to highest rpm ..stopping for 3-4 seconds every quarter turn to allow engine response.nStop at first spot of highest rpms...

@OnTheEdgeNow 3 года назад

That would set your idle mixture on the idle circuit. The synchronizing of the carburetor slides is meant to balance the slide position of each carburetor with the others. Differences in carburetors and engine cylinder performance are "equalized" as best as possible when the carburetors are synchronized. That is the best way I can describe it.

@mateuszrencza5854 17 дней назад

Hello, the fact that the vacuum gauge shows a possible misfire or leak in the red field is not a problem? (I have the same) In the Kawasaki KZ650, carburetor 1 and 4 are connected to the engine and after connecting the vacuum gauge close the output from the engine?

@OnTheEdgeNow 17 дней назад

Each gauge is connected to a carburetor. The needle valves between the carb and gauge are used to smooth out the pulsations of the needle and give you an average easier to read reading. You just close the needle valve enough to remove most of the pulsation, but still give a vacuume reading. I hope that explanation is answering your question.

@mateuszrencza5854 16 дней назад

@@OnTheEdgeNowI agree, but the question is why does the measuring device show a red field during calibration, which informs about the engine misfire or lack of vacuum? e.g. 12:24 (printed on the vacuum gauge dial)

@OnTheEdgeNow 14 дней назад

When adjusting each carb individually, it is possible to adjust into a position where that cylinder is not running well. For example, when adjusting the idle mixture, it is common to adjust the mixture lean, and rich, and then adjust for the best running in-between. At the lean and rich adjusting point, the cylinder will not run well.

@Aciecarter238 2 года назад

I have a 82 kz 650 csr. Bike wouldn't idle so I cleaned carbs now it will idle great but want take any fuel u try to Rev it up u hear suction an it back fires. Do you think it's a vacuum leak around the boots on carb. I sprayed a little strating fluid an ur reved up. Didn't know If that would cause it to back fire when giving it gas. An sometimes it back fires with the choke on until its warm. Any help or advice

@Vjiovino 6 месяцев назад

So what screws are you adjusting to sink the carbs on the z1

@OnTheEdgeNow 6 месяцев назад

There are screws with jamb nuts on each carburetor that open or close the throttle plate to balance the vacuum to each carburetor.

@mimiporsche 2 года назад

I am restoring a 1974 kawasaki Z1 900 I sandblasted the chassis and I found a nasty surprise: 2 tubes of the chassis were welded to brass! were the chassis of these bikes subject to breakage?

@OnTheEdgeNow 2 года назад

They do have a weak spot, mainly on the 73s, where the front frame comes down. I believe on the 74s they welded a gusset on the frame to strengthen it up but if you are looking at buying one that is a place to look for cracks.

@mimiporsche 2 года назад

Grazie