Quote:
Originally Posted by Bruce's
I have drilled several Honda horizontal clones for larger motor mount bolts ,easy to do and no problems down the line with breakage .I put a 190 cc in a z50 that was street ridden ,and there was a few problems with the original little bolts snapping so it was a no brainer to go to a larger bolt .
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It's even easier drilling said holes out a measly 2mm. Already a nice sized pilot hole there, so keeping it straight and centered isn't very difficult. Plus a 10mm drill bit is 10 bucks or less.