Hi davo, you should have no probs using the GX100, with the alloy clutch...I have had a Honda G100 2.5HP on a late model Scotty 45 for years....works perfectly...Here's a pic...
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To put your mind at rest, the 14" 45 would have had a Briggs originally...so its a win / win situation
Looking forward to seeing the pics when its completed. grin
cheers2

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 grin