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Cometic head gaskets
Posted: Tue May 06, 2025 1:56 pm
by re5rotary
Hi if H1247SP2043F is the part number for a 71mm bore does any one know the part number for a 72mm bore gasket? regards Terry
Re: Cometic head gaskets
Posted: Wed May 07, 2025 1:48 pm
by re5rotary
for future reference the 72mm bore part number is H1247SP4059F
Re: Cometic head gaskets
Posted: Thu May 08, 2025 6:11 pm
by tz375
Almost. The last 3 digits are the thickness in thousandths of an inch and the F at the end means it's a fiber gasket. So 043F is 1mm (0.043") thick and 059F is 0.059" thick or 1.5mm in new money.
Always specify the finished bore size and the thickness. and always dry fit the gasket to be sure that the fire rings are concentric with the bores. Suzuki used to supply 75-76mm gaskets to get around the poor fit.