Cant get my bug to start again

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calooker
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Post by calooker »

Hey hitlers revenge, you must have broad shoulders making comments like that, maybe you can advise on a good ophthalmologist, for the dudes here. 50% of carb issues is ignition, remember that
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Post by hitlers revenge »

one eye says its the carb and one eye says its the ignition. :lol:
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fig
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Post by fig »

I agree with Calooker. Don't mess with the carb until you are certain you have eliminated all other possibilities.

Most similar problems relate in some way to the ignition: either tuning or faulty condensor or coil in most cases.
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Post by vader »

There might be a kink in the hose where it exits the tank.....
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Post by Bugboy »

Okay so after doing the everything I said I would she is running but there is a bit of delay when swinging before she ignites. Idling is soft 1st then goes loud and runs perfectly afterwards. But the other thing is there is a bit of a hissing sound coming from somewhere, so I gather she must have a vacum leak somewhere.

Could the delay in ignition be incorrect mixture of air & fuel?
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Post by Thumper »

Air sucking in, ANYWHERE, except the carb is not good news. :( Find those leaks, and the engine will run smooth.
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Post by vader »

Bingo!
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Post by calooker »

Check the points gap it must be 0,4mm, should start nicely after that.
Last edited by calooker on Mon Jun 05, 2006 8:53 am, edited 1 time in total.
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Post by fig »

calooker wrote:Check the points gap it must be 1mm, should start nicely after that.
I thought points gap was supposed to be 0,4mm???

The points gap determines dwell angle, and is just a rough measure. To be sure, one needs to use a dwell meter.
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Post by calooker »

Fig, you're 100% correct, I must have had a moment of madness when I said 1mm gap, sorry. 0,4mm is the way to go for the points. I do a 1mm gap on the plugs as I use electronic ignition and you get a hotter spark.
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Post by vader »

So has that fixed the problem?
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Post by CEDGBS »

Had very similar problem yesterday morning! Started, but lots of spluttering and as soon as you try to rev up the motor she dies! Held open the auto choke and she started fine! Didn`t have the problem this morning!! Still a mystery to me!!!
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