This manifold will allow most 2 cylinder 15 & 20 c.i. to allow exhaust gases to exit unimpaired & with a sweet sounding open exhaust sound. It is based on a Quincy manifold with heli arced welded aluminum elbow, short straight pieced & flared end.

Models that this will fit: KF5, MK7, KE7, KF7, KG7, KH7, MK15, MK20, MK20H, MK25.

Some cowl modifications for the above models with cowls.

$189 plus $20 for shipping & I’ll send a copy of my publication Pictorial History of the Beginning of Stock Outboard & Other Outboard Racing at no charge.This publication sells for $27.95 plus shipping on eBay & Amazon.
Contact jschubert19j@gmail.com