Originally Posted by Greg58
Your engine looks just like the bgf 48cc I have, but then again it looks like a 66cc also. mine has nuts that hold the head on that are a 10mm wrench size.
Wow, 10mm nuts on the head??? My Grubee 66cc has 13mm acorn nuts, and the newer Grubee's have 14mm standard nuts on the head studs. Are you sure you're not mistaken, 10mm seems kinda small for the head? (like intake/exhaust size)