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 Engine fastner torque spec's please

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GT-250

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PostSubject: Engine fastner torque spec's please   Fri Oct 25, 2013 6:56 am

G'day guys  - just want to ask if anyone with the factory workshop manual can verify the correct cylinder / head bolt torque specs please. I have google searched several sites, but most seem to have conflicting info, so i'd like to get a 100% definitive answer direct from the yamaha manual thanks. Also for the camshaft cap bolts too please.

I'm still waiting for my ebay purchased shop manual C/D from the UK - ordered 5 weeks ago, baldy 
I have seen several online downloads for the Yamaha manual, but all want "paynow".

Was hoping that there might have been some of these engine torque spec's in the "sticky" in the section.

Cheers,

Gavin.
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DragonNester

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PostSubject: Re: Engine fastner torque spec's please   Fri Oct 25, 2013 8:40 am

Cylinder head straight screw plug M12 1 28 Nm (2.8 m•kg, 20 ft•lb)
Cylinder head stud bolt (exhaust pipe bolt) M8 2 15 Nm (1.5 m•kg, 11 ft•lb)
Spark plug M10 1 13 Nm (1.3 m•kg, 9.4 ft•lb)
Cylinder head bolt M10 4 40 Nm (4.0 m•kg, 29 ft•lb)
Cylinder head cover bolt M6 2 12 Nm (1.2 m•kg, 8.7 ft•lb)
Cylinder head bolt M6 2 10 Nm (1.0 m•kg, 7.2 ft•lb)
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GT-250

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PostSubject: Re: Engine fastner torque spec's please   Fri Oct 25, 2013 9:44 am

^^ Thanks very much DragonNester... Cheers mate.
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