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Old 09-13-2021, 01:09 PM   #4
lokie56   lokie56 is offline
 
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Join Date: Sep 2021
Location: West coast
Posts: 15
Are they anything like the watercooled 4 valve, carbed SYM HD200?

Because I'm telling you right now, a SYM HD200 even with just under 190 miles break-in as a demo is a ripper, even with a primitive CV carb. They make north of 18 h.p. , and can climb grades at 60 mph. And the SYM's were 171cc. Potent little SOHC engine.


Edited: I just checked the 2018 KymCo 200i, it's only 161 cc, and it's and air-cooled, 2 valve engine and makes about 11 hp. So, yeah I'm thinking it's going to be somewhat slow to rise above 60 mph. like Mathy was saying, some of these bikes came with some silly airbox internal restrictions that held down their top speed.


If you do find the aircleaner box has some big plates or baffles across their channels and you do cut them out, do a plug check to make sure you aren't running way too lean.
__________________
1958 J.C. Higgins 3 speed/ 48cc HT bicycle engine.

1968 Honda C-100/Qingqui125cc pitbike engine
2006 LF200GY-5



Last edited by lokie56; 09-14-2021 at 09:44 AM.
 
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