GPL Racing spec cylinder head machining.

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slinger
Posts: 115
Joined: Sun Jul 11, 2010 2:01 pm
Location: Nova Scotia

GPL Racing spec cylinder head machining.

#1 Post by slinger » Wed Feb 08, 2012 2:28 pm

RZ 500 cylinder head machined to GPL Racing spec.

All cylinder head machining is done off the bolt hole pattern, and not done by clocking the combustion casting. As with all Yamaha cast cylinder heads, the combustion chamber and squish band are not central to the bolt pattern, so this will bring the squish band central to the bolt pattern.

This service is available for $250 Cad, plus shipping for the two cylinder heads to be machined to a GPL Racing spec.

Contact details below.

Image

Glyn
Last edited by slinger on Sun Mar 25, 2012 8:56 am, edited 1 time in total.

frosh
Posts: 5
Joined: Fri Feb 24, 2012 2:33 am

#2 Post by frosh » Sat Feb 25, 2012 12:54 pm

As the owner of these heads, I need to say Glyn did a great job!
What's not so obvious from the picture is how rough one of them was prior to his machining work. One of the upper cylinders suffered from detonation and this was what Glyn had to work with:
Image

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