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stuartbuckle replied to the topic 1979 KZ750B4 Non-start in the forum Technical Garage 8 years, 2 months ago
THE ANSWER !!
It was a problem with the kill switch.
The guy who bought the bike traced the fault.
Thanks for all comments, hints and tips.
It is now sorted.
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stuartbuckle replied to the topic 1979 KZ750B4 Non-start in the forum Technical Garage 8 years, 2 months ago
Thanks for all the help and tips guys. However, I had somebody come and buy the bike from me at the weekend, so it’s now gone. As I mentioned, it did run with a live to the ignition coil, so I think it probably is a loose/bad connection somewhere, but the new owner will be sorting it out.
Now I just have my 2014 Bonneville T100.
I am 64 now and…[Read more]
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stuartbuckle replied to the topic 1979 KZ750B4 Non-start in the forum Technical Garage 8 years, 2 months ago
OK, the new ignition coil and plug caps arrived. Wrong coil. Still, I tried something else. I found that all of a sudden, I have no spark at either the plugs or when I flick the points open. This was all working previously.
So, I ran a direct feed from the battery live to the coil input and BINGO! It started FIRST KICK.
So the present situation…[Read more]
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stuartbuckle replied to the topic 1979 KZ750B4 Non-start in the forum Technical Garage 8 years, 3 months ago
Thanks LONESOME and MIKEONABIKE,
I have tried it on the kickstart with the battery fully charged….nothing. This week I have ordered a new ignition coil and some new NGK plug caps which I can fit at the weekend. So I’ll give that a try.
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stuartbuckle replied to the topic 1979 KZ750B4 Non-start in the forum Technical Garage 8 years, 3 months ago
Yes, the float bowls were both full.
The carbs were ultrasonically cleaned last year and they were drained before storage. The tank was resprayed last year, so that had been drained as well.
It had fresh fuel in it for the start-up.
It fired and ran for about four or five seconds and then cut out. I thought that maybe I moved the throttle…[Read more]
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stuartbuckle replied to the topic 1979 KZ750B4 Non-start in the forum Technical Garage 8 years, 3 months ago
The 7650 was caused by fat fingers. Of course, it is a KZ750 B4.
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stuartbuckle replied to the topic 1979 KZ750B4 Non-start in the forum Technical Garage 8 years, 3 months ago
My 1979 KZ7650 B4 was off the road for a few months so, armed with a new battery and fresh fuel, I tried to start it. It fired up and ran for about 4 seconds, then cut out and hasn’t made a sound since.
It will crank over, there is a spark at both plugs (they are new), I removed and checked both carb float bowls, lovely and clean and no…[Read more]
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stuartbuckle replied to the topic Tank badges wanted in the forum Bike Related Sales and Wants 8 years, 9 months ago
That would be good. Thanks KK.
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