The output of the exhaust elbow on my 1978 YSB12 is threaded on the inside to
fit 1 1/4 inch iron pipe, and appears to have been done that way as part of the
original installation. The engine installer must have threaded the elbow, since
I never heard of them coming that way from Yanmar, but I d
Nate,
Centek makes some nice fiberglass adapters. They are available in many boat
stores online. They should have one that will do the job. The fiberglass will
weigh less than galvanized pipe. It’s sure to help make your boat faster!
Jake
Jake Brodersen
“Midnight Mistress”
C&C 3
