Adapter fits YS 110
through YS 170 engines. The 90 degree fitting with a
lock nut allows you to point and secure the exhaust
in any direction. This adapter can be used on YS 53
and YS 63 engines when combined with the NMP Port
Adapter (see below).
The NMP Exhaust Adapter
for YS 53 and YS 63 engines provides the larger
port fitting required to connect stacks, headers and
other exhaust components designed for YS 91 through
YS 170 engines.