King Motor Big Bore / Head Kit

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peebeme

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Does any body know about this ?
I have a 23cc engine & wanted to know if I got this "King Motor Big Bore / Head Kit" that I read on & heard from a buddy of mines, will this really make my engine into a 29cc ? has any body ever done this upgrade before ??if so please share your views on this.

is it worth it / is it worth the money then buying a whole new engine ??
 
it's relatively straight forward to do. your 23cc engine will no doubt have 2-head bolts, I know Chung Yang (CY) make a 29cc big bore head kit conversion which suits 2-bolt crankcases. don't buy the 4-bolt unless you have the 4-bolt crankcase to match.
i already had a 4bolt zenoah 29cc head kit layin around, so i bought the zenoah crankcase to suit and it works a treat. as they say - there's no compensation for cubes!! ;) once you've got the larger the cc engine in comparison to a smaller cc, it's a good base to start from when doing mods.
 
t2boats said:
it's relatively straight forward to do. your 23cc engine will no doubt have 2-head bolts, I know Chung Yang (CY) make a 29cc big bore head kit conversion which suits 2-bolt crankcases. don't buy the 4-bolt unless you have the 4-bolt crankcase to match.
i already had a 4bolt zenoah 29cc head kit layin around, so i bought the zenoah crankcase to suit and it works a treat. as they say - there's no compensation for cubes!! ;) once you've got the larger the cc engine in comparison to a smaller cc, it's a good base to start from when doing mods.
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thanks for the info
 
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