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Cracked head ok ?

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Vendetta761
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Cracked head ok ?

#1 PostAuthor: Vendetta761 » Fri Jun 14, 2013 2:15 pm

I have put one of my ST engines into Royston at REPS racing, he says the cylinder head has cracks running from the spark plug holes in No 2 & 3 to the exh valve seat, this is quite common and they seem to run well with no adverse effects, indeed these cracks look to have been there for a while.

Has anyone else heard or seen this on Z heads , any comments?
anyone got a spare ST head just in case ?
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garyd
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#2 PostAuthor: garyd » Fri Jun 14, 2013 3:43 pm

pretty common....and appear to have no serious issues unless you use the performance of the bike.
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#3 PostAuthor: Ginger Bear » Fri Jun 14, 2013 5:28 pm

Yep, I've had 'em too & had 'em repaired, but I don't think they're too much to worry about & fairly common.
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#4 PostAuthor: PAULJAC47 » Fri Jun 14, 2013 7:39 pm

Ditto no worries...
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