Steven, I did 4 years AMA road racing, another 15 or so building motors, 
single, twins, fours, 2 stroke singles...... Set numerous track records and 
championships...
   I have a 05 CBR600RR for reference, in a KBS chassis.  The oil pan is too 
deep, maybe not on that R6, but the king of the hill is the Kawi 636 and the 
CBR, they both have deep pans.
 The f2/f3's have a flat pan, but the motors are too long to fit between the 
roll bar and rear axle.
   
  CR
Steven Dodd <[EMAIL PROTECTED]> wrote:
  Chris, Assumption on your part !- Yeah I have a 04 R1 motor available for 
reference. So I do understand my bike motors. My bike experience-Six years 
of CMRA_WERA motorcycle roadracing w/ heavy emphasis on endurance racing. 4 
more years of AMA. I do know these things. I can tear down a Yamaha in my 
sleep coupled with several ounces of Scotch.-haha
And yes, I know the annual cost (Nat'l/Regional) for pistons for my Rotax 
has been less than half of cost of my four cylinder Yam, Hon and GXR motors 
(also GasGas). I know yearly piston cost for J. Palmer, who has gone to 
runoffs for the past two years is: 1 piston for three seasons on his 
Huelings. He does use near stock jetting and non Wal Mart premix !!! So, we 
know Palmer likely shopped E-bay and got a deal-Whats that add up to? 150 
bucks w/ rings over a three year period. Maybe spend the cost for a new 
Huelings and sleep well knowing it wont cold sieze on you every trip out of 
the box.
Now! That's good cheap racing. Come back to the dark side Chris. Ebay that 
Honda motor and join us at the track. We wont tell any of your buddies that 
you wandered into foreign made Territory for a while.
Steven




Chris Wrote:
Steve, that's a poor comparison, you do not have a current motor 
availible....
I'm sorry but I don't know what your experience is with regard to 
motorcycle
engine oil systems are, but I think West Racing probably knows more than the
both of us, look at their website, call them up, they use a wet sump system, 
it
works.....
There are also a couple of atleratives, or hybrid systems. You can use 
the
stock oil pump with a drysump pan, with a external scavenge pump. These 
pumps
are pretty cheap and they can be mounted where the water pump is driven 
from.
Then you use an electric water pump. The drysump pan is basically a flat 
plate
on the bottom of the cases with 4 pickups to scavenge the oil.
What do you think the yearly piston invoice is for a national level 
Rotax?

CR


 
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