Joined Jun 2007
4K Posts | 1K+
south east WA Australia
103mm RC8 piston pic
- Thread starter bushmechanic
- Start date
Joined Jun 2007
4K Posts | 1K+
south east WA Australia
Joined Jun 2007
4K Posts | 1K+
south east WA Australia
Joined Sep 2007
782 Posts | 291+
???
Hi Bushie,
Great find. Have you got a link?
I just finished reading a book about John Britten. The single was going to be a production
bike.
Must be a 5 valve motor, they tried a 5 valve head for the V twin as well but the 4 valve
was better, the combustion chamber shape is compromised with 5 valves so any gain in breathing
was lost in the burn. I think Yamaha found that out on the R1 as well.
Note the head and cylinder are one!
cheers spanner
Great find. Have you got a link?
I just finished reading a book about John Britten. The single was going to be a production
bike.
Must be a 5 valve motor, they tried a 5 valve head for the V twin as well but the 4 valve
was better, the combustion chamber shape is compromised with 5 valves so any gain in breathing
was lost in the burn. I think Yamaha found that out on the R1 as well.
Note the head and cylinder are one!
cheers spanner
Joined Jun 2007
4K Posts | 1K+
south east WA Australia
its a mind twister how you'd have to put that thing together 
cylinder + head as one and maybe with a liner as well and horizontally split cases
the pic comes from ADVrider a thread where someone visited the britten exhibits in NZ , it doesn't say much other than it was a 600cc engine with 75hp on the bench which doesn't seem like a lot, as you said the 5 valves probably screw with top end but I wonder how the tourque curve looks, should be nice and flat
cylinder + head as one and maybe with a liner as well and horizontally split casesthe pic comes from ADVrider a thread where someone visited the britten exhibits in NZ , it doesn't say much other than it was a 600cc engine with 75hp on the bench which doesn't seem like a lot, as you said the 5 valves probably screw with top end but I wonder how the tourque curve looks, should be nice and flat
this looks horn
http://cgi.ebay.com/ebaymotors/2010-KTM ... 500wt_1182
http://cgi.ebay.com/ebaymotors/2010-KTM ... 500wt_1182
As an eBay Associate we earn from qualifying purchases.
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