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head gasket replacement, help with cylinder head removal please.

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head gasket replacement, help with cylinder head removal please.

Post  mike_k5 on Wed 1 Apr - 6:59

Hi there,

Ive got a leaking head gasket so I need to remove the cylinder head to replace with a new gasket.
This is a job i have done a few times on my modern day motocross bikes so with my T80 it ought to be simple enough job i hope, but im hoping someone an point me in the right direction with a few questions i have, as i have no manual for my T80.

Firstly how do I set the timing to TDC? (where are the relevent markers) I presume there is one in the crankcase? i also see the line on the camchain sprocket but what do I align it with?

Secondly once ive set the timing to TDC how do I then undo the camchain sprocket? do i need a special tool to prevent the sprocket turning with the bolt?

step by step instructions on cylinder head removal would be greatly appreciated. Smile

thanks in advance
Mike.


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Re: head gasket replacement, help with cylinder head removal please.

Post  Admin drgaz on Wed 1 Apr - 8:20

Hi Mike, Some one will be a long, but to be honest getting hold of a Haynes manual might be the way to go here :d\\'-\\':
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Re: head gasket replacement, help with cylinder head removal please.

Post  JohnW on Thu 2 Apr - 3:38

Yes too complicated to explain on here you need to buy a Haynes Manual, plenty on eBay http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2050890.m570.l1313.TR0.TRC0.H0.XYamha+T80+Townmate+Haynes+Manual.TRS0&_nkw=Yamha+T80+Townmate+Haynes+Manual&_sacat=0

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Re: head gasket replacement, help with cylinder head removal please.

Post  mike_k5 on Thu 2 Apr - 9:41

Thanks for the replies,
I ended up just doing it myself so no worries.

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Re: head gasket replacement, help with cylinder head removal please.

Post  mike_k5 on Thu 2 Apr - 20:53

Can anyone tell me which way the arrow on the piston is supposed to face please?

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Re: head gasket replacement, help with cylinder head removal please.

Post  JohnW on Thu 2 Apr - 22:34

mike_k5 wrote:Can anyone tell me which way the arrow on the piston is supposed to face please?
Towards the exhaust port

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Re: head gasket replacement, help with cylinder head removal please.

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