Anyone have any info on porting specs for the Mitsubishi 52cc Engine? Looking to build a OG Super Beast
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Martin Monster Beast 52cc Porting
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Originally posted by dsport View PostMaybe measure port timing and go from there. People have posed specs that work for 460s and 40s and 63s, I’d probably just copy that.
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Well I just got done porting the intake and exhaust ports and decided to leave the transfer ports alone. The transfer ports were a massive 2 port layout and I felt any change would decrease performance. I have so far installed a flipped sikk eb pipe with a larger bleed/stinger and a HDA 223. The gearing is a tall 7/60 and it flat out rips. This 52cc monster really feels like it has the low end punch of a stock g62 and the top end of a 420/460. It's probably and this is a guess topping out in the low to mid 40s. It has a very unusual single linear powerband with a very slight powerband in the high 30s that takes you into the 40s. Overall I'm very impressed with the Martin Monster Beast/B-52. It's not a Super Beast but very close to it. I will try to post the pics up tomorrow of it and the porting.
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