Coleman CT200U-EX performance Engine Build!

I add ratio rockers, cast aluminum flywheel, 7 degree timing advance key, steel camshaft (as opposed to plastic), mikuni carburetor, make a custom intake manifold, polish the cast rod, port the heads, and make a header pipe with a screw on muffler. Special thanks to ‪@Black66‬ for the tips!
55% nickel welding rods:
Hot Max 23066 3/32-Inch Cast Iron... www.amazon.com...
Flywheel:
www.studzracin...
Timing Advance Keys (you have to tell them what degrees you want):
www.ebay.com/i...
Stock Steel Camshaft:
www.ebay.com/i...
Screw on muffler:
Rotary 1275 - Aftermarket Replacement - 3/4" NPT Threaded Muffler a.co/d/jj9MKMz
Valve Grinding compound:
www.ebay.com/i...
Carb Jet Kit:
Mingdun 15pcs Carburetor Carb Main Jet Kit For 26mm 28mm VM22 VM24 VM26 VM30 125CC 150CC 200CC 250CC for Dirt Bike Pit Bike and for ATV 88-150 N100/60 www.amazon.com...
Carburetor:
www.ebay.com/i...