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Suzuki generator

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Polarbear
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PostPosted: 18:05 - 21 Oct 2018    Post subject: Suzuki generator Reply with quote

I feel an idiot posting this but I cannot get my daughters boyfriends Suzuki generator to run.

It hasn't been used in at least a year and I'm sure it's fuel related. I had it apart and cleaned loads of shit out of the fuel filter and carb bowl. Cleaned everything and put it back together. It's a really basic mikuni carb.

If I squirt chain cleaner in the air intake Embarassed if fires up and runs a few seconds so it's not the electrical side.

WTF can I do? There is only one screw jet adjustment on the carb and I have set that at one turn open but tried different positions to no effect.

Compression seems ok from pulling the starter.

What am I missing or being totally dense about?
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virus
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PostPosted: 18:57 - 21 Oct 2018    Post subject: Reply with quote

torn diaphragm in the fuel tap/carb or an air leak somewhere?
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Islander
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PostPosted: 22:17 - 21 Oct 2018    Post subject: Reply with quote

Did you clean and clear all of the jets and passages in the carb body?
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Polarbear
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PostPosted: 22:34 - 21 Oct 2018    Post subject: Reply with quote

Islander wrote:
Did you clean and clear all of the jets and passages in the carb body?


I thought I had but it looks like I missed something. Time to take it apart again I think.

I'll get some exciting piccys of it. Bet you lot can't wait Rolling Eyes
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Robby
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PostPosted: 08:24 - 22 Oct 2018    Post subject: Reply with quote

My generator was doing the same thing. I had taken the carb apart and cleaned it, fitted a fuel filter, and it still wanted a blast of carb cleaner to start.

Solution was cleaning the carb again, which helped a bit, and fresh fuel, which helped the rest.

They run an incredibly simple carb, but also one which clogs up surprisingly easily if it isn't used frequently. The auto-throttle is very bad at compensating for a slightly blocked jet. The ignition system is fairly rudimentary, making a fairly weak spark on the initial pull start.

So add together old fuel, a weak spark, and a bad mix, and you get a generator that won't start.
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bikenut
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PostPosted: 10:19 - 25 Oct 2018    Post subject: genny Reply with quote

it runs for a moment so ign would seem ok, fuel, so re clean carb making sure all jets etc are actually clean clean.

You know cmsnl do exploded views for this stuff also, and genny may have an oil alert ?

What model/year genny etc and have a look see on cmsnl.....
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Bikeless
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PostPosted: 13:04 - 25 Oct 2018    Post subject: Reply with quote

I had a similar problem with a genny, drove me mad, eventually traced it to a weak spark, bought a new coil and it ran like clockwork , when I checked for a spark it looked fine.
I even bought a new carb which I still have in a box somewhere, I bypassed the oil level switch while fault finding as well as fitting a new plug, the coil was the last thing I replaced as I'd ruled everything else out.
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