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Old 08-07-2008, 09:37 PM   #1 (permalink)
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Can i take the cylinder head off with the spark plug still in it?

Simple question, can i take the cylinder head off with the spark plug still in it?

I got a serious probably, i got no 21mm spanners or sockets, so i cannot take the plug off, its totally impossible.

I am stripping down my aprilia rally, going to do it up and then sell it.

Rob

Honda CG 125 CDI Import
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Old 08-07-2008, 09:37 PM   #2 (permalink)
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Re: Can i take the cylinder head off with the spark plug still in it?

Short answer - YES



I read that smoking weed destroys your brain cells - so I gave up reading

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Old 08-07-2008, 09:37 PM   #3 (permalink)
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Re: Can i take the cylinder head off with the spark plug still in it?

Yes you can.. Would not be a problem.
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Old 08-07-2008, 09:46 PM   #4 (permalink)
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Re: Can i take the cylinder head off with the spark plug still in it?

Yay, i am going to strip the engine down, clean the carb using petrol.

Unlucky i don't have the correct tools to take out that stupid B7HS.

Thanks for the replys. Problem solved.

Rob

Honda CG 125 CDI Import
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Old 08-08-2008, 04:40 AM   #5 (permalink)
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Re: Can i take the cylinder head off with the spark plug still in it?

you should by the correct spark plug spanner, otherwise you will not be able to service bike in the future.

i've got corner speed, it's control i struggle with!
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Old 08-08-2008, 07:15 AM   #6 (permalink)
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Re: Can i take the cylinder head off with the spark plug still in it?

need the plugs out on my bike and even then if the engine is in the frame its still tight

young at heart and still faster than you
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Old 08-08-2008, 09:39 AM   #7 (permalink)
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Re: Can i take the cylinder head off with the spark plug still in it?

If you do take the head off with the plug in be careful when you put it down that there's nothing in the way that will flatten the tag against the electrode.
It would be better if you could take the plug out though, and I'm sure you could get hold of a suitable socket form the likes of Halfords or Machine Mart for a couple of quid. A spark plug can tell you a lot about how an engine is running.
Click me for spark plug colour guide
Also invest in a set of plug feeler guages, as having the correct gap is very important too and can make a big difference in the running of an engine, small cylinders in particular.

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Old 08-08-2008, 09:45 AM   #8 (permalink)
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Re: Can i take the cylinder head off with the spark plug still in it?

Yah, i already know it is running lean because it is totally white.

Rob

Honda CG 125 CDI Import
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Old 08-08-2008, 08:58 PM   #9 (permalink)
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Re: Can i take the cylinder head off with the spark plug still in it?

don`t take this the wrong way mate,invest in a haynes manual for your bike ,i`ve been doing my own spannering for years,but will not attempt anything without a reference to fall back on

Last edited by marsey : 08-08-2008 at 09:01 PM.


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Old 08-08-2008, 10:44 PM   #10 (permalink)
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Re: Can i take the cylinder head off with the spark plug still in it?

Quote:
Originally Posted by marsey View Post
don`t take this the wrong way mate,invest in a haynes manual for your bike ,i`ve been doing my own spannering for years,but will not attempt anything without a reference to fall back on
I don't think they ever made a haynes manual for an aprilia rally 50.

Too insignificant - and crap..lol

Rob

Honda CG 125 CDI Import
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