Horsepower recipes sticky

cpu77

cpu77

Member
#1
#1
It would be nice to see what are the common recipes from exhaust/intake to full builds and in between. I would like a recipe that puts out 15hp. I am thinking of converting a a atc 3 Wheeler to a 2 Wheeler and would like to power it with a clone. I found info that the 250x was 15-16hp. So I would like to at least have that. Any suggestions?

110 - 7-8hp
84-85 125-8hp
185S-9hp
200S-10p
192cc 200X-12hp
199cc 200X-14hp
The 2 valve 250 class shaft motor-15hp
the 4 valve 250X motor-16hp
 
MB165

MB165

Active Member
#2
#2
a fat tire mini.....how about a 200x? youll have rear suspension....

something along this list would get you a nice reliable runner
flat top piston
mill head at least .030, porting, try to find a 18cc head
open header
22-24mm carb and manifold
280 lift or more cam, hd springs
HD rockers, pushrods and guide
advance timing at least a few degrees
thin headgasket (stock actually works good)
billet stuff to stay safe.
 
Last edited:
125ccCrazy

125ccCrazy

Well-Known Member
#4
#4
big tire bike like that go with a 420 or 440cc, you'll want some torque to get it rolling and for less than what you will have wrapped up in performance parts for a 212 you can buy a big block and be at the same hp out of the box, add a few goodies to one of these and have a monster.
 
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