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 Post subject: How to reverse rear head
PostPosted: Fri Jan 24, 2014 2:14 pm 
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Joined: Wed Nov 03, 2010 3:19 pm
Posts: 185
Location: Auvergne, France
hello, with the shortage of rear Pantah or F1 head, I would like to "return" a rear 750 Sport 1989 or monster head, to invert inlet and exhaust....
who has already done it ?


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 Post subject: Re: How to reverse rear head
PostPosted: Fri Jan 24, 2014 9:16 pm 
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Joined: Thu Oct 14, 2010 11:23 am
Posts: 1151
Here they are at ORSP now. $2,500 US. MikeV

Attachment:
Head vertical New ORSP 8XR0083 $2,500 2014.jpg
Head vertical New ORSP 8XR0083 $2,500 2014.jpg [ 22 KiB | Viewed 1147 times ]


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 Post subject: Re: How to reverse rear head
PostPosted: Fri Jan 24, 2014 10:20 pm 
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Joined: Wed Oct 13, 2010 10:43 pm
Posts: 46
Location: chiangmai Thailand
who is that through mike?redfox or one of sports motorcycles heads or someone else doing them?.thanks Greg


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 Post subject: Re: How to reverse rear head
PostPosted: Fri Jan 24, 2014 11:03 pm 
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Joined: Fri Apr 29, 2011 5:20 pm
Posts: 90
Location: McKenzie, TN
http://www.oldracingspareparts.com/twin ... f1-racing/


(But someone here could probably weld it and reverse it for less....)

.


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 Post subject: Re: How to reverse rear head
PostPosted: Sat Jan 25, 2014 5:27 am 
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Joined: Wed Sep 11, 2013 7:13 am
Posts: 170
Jan can supply them, but i seem to remember there was still some finishing to do.
http://www.redfoximport.eu/detail.php?item=514&jrd=213&lan=nl

Completely machined on a cnc (ricavato dal pieno)

Could be that I see him this weekend on a autojumble and we will be talking about racing :-)

ciao
ducadini

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Nego i ricordi peggiori, richiamo i migliori pensieri


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 Post subject: Re: How to reverse rear head
PostPosted: Sat Jan 25, 2014 11:10 am 
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Joined: Thu Oct 14, 2010 11:23 am
Posts: 1151
Jan's are for a 900 engine; they need guides, seats, valves and whatever porting desired. I would suspect those from Old Racing Spare Parts are also bare. MikeV


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 Post subject: Re: How to reverse rear head
PostPosted: Sat Jan 25, 2014 12:34 pm 
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Joined: Sat Jun 09, 2012 5:06 pm
Posts: 100
Jan advertises 750 heads now for 1500,-
Nigel (Lacey) single bevel heads for 2500,-


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 Post subject: Re: How to reverse rear head
PostPosted: Sat Jan 25, 2014 2:13 pm 
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Joined: Wed Nov 03, 2010 3:19 pm
Posts: 185
Location: Auvergne, France
I know where to buy ( redfox...), but i've choosen the other way: machine it...
So advices are welcome ;)


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 Post subject: Re: How to reverse rear head
PostPosted: Sat Jan 25, 2014 3:18 pm 
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Joined: Thu Oct 14, 2010 11:23 am
Posts: 1151
I believe someone on this forum has done it, but does not want to ever do it again. That probably says something. MikeV


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 Post subject: Re: How to reverse rear head
PostPosted: Sat Jan 25, 2014 8:00 pm 
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Joined: Wed Oct 13, 2010 10:43 pm
Posts: 46
Location: chiangmai Thailand
you could have a chat with glyn of sports motorcycles.Hes doing one for me at the moment although a 900


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