Hi grumpy, I didn't know that some of the professional grade Honda engines use a cast iron sleeve (for higher power levels) or that the Victa VSP160 2-stroke is a purpose built mower engine featuring a fully cast-iron engine block. Click HERE for more info.
Please do not PM me asking for support. Please post your questions in the appropriate forums, as the replies it may receive may help all members, not just the individual member. Kindest Regards, Darryl